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+[
+	{
+		"uri":"das_01_0001.html",
+		"product_code":"das",
+		"code":"1",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Service Overview",
+		"title":"Service Overview",
+		"githuburl":""
+	},
+	{
+		"uri":"das_01_0002.html",
+		"product_code":"das",
+		"code":"2",
+		"des":"Data Admin Service (DAS) is a one-stop cloud database management platform that allows you to manage databases on a web console. It offers database development, O&M, intel",
+		"doc_type":"usermanual",
+		"kw":"What Is Data Admin Service?,Service Overview,User Guide",
+		"title":"What Is Data Admin Service?",
+		"githuburl":""
+	},
+	{
+		"uri":"das_01_0005.html",
+		"product_code":"das",
+		"code":"3",
+		"des":"An IP address, which is used for the DAS service to connect to databases.DAS periodically collects the metadata of DB instance databases, tables, and fields and stores th",
+		"doc_type":"usermanual",
+		"kw":"Basic Concepts,Service Overview,User Guide",
+		"title":"Basic Concepts",
+		"githuburl":""
+	},
+	{
+		"uri":"das_01_0008.html",
+		"product_code":"das",
+		"code":"4",
+		"des":"DAS supports different types of DB instances, such as GaussDB(for openGauss), GaussDB(for MySQL), and GaussDB(for Cassandra). It provides visual GUI operations, making yo",
+		"doc_type":"usermanual",
+		"kw":"Advantages,Service Overview,User Guide",
+		"title":"Advantages",
+		"githuburl":""
+	},
+	{
+		"uri":"das_02_0000.html",
+		"product_code":"das",
+		"code":"5",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Getting Started",
+		"title":"Getting Started",
+		"githuburl":""
+	},
+	{
+		"uri":"das_02_0002.html",
+		"product_code":"das",
+		"code":"6",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Intelligent O&M",
+		"title":"Intelligent O&M",
+		"githuburl":""
+	},
+	{
+		"uri":"das_02_0003.html",
+		"product_code":"das",
+		"code":"7",
+		"des":"This section describes how to monitor DB instances using Intelligent O&M.Perform the following operations to monitor databases with Intelligent O&M.Step 1: Log In to DASS",
+		"doc_type":"usermanual",
+		"kw":"Overview,Intelligent O&M,User Guide",
+		"title":"Overview",
+		"githuburl":""
+	},
+	{
+		"uri":"das_02_0004.html",
+		"product_code":"das",
+		"code":"8",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Step 1: Log In to DAS,Intelligent O&M,User Guide",
+		"title":"Step 1: Log In to DAS",
+		"githuburl":""
+	},
+	{
+		"uri":"das_02_0005.html",
+		"product_code":"das",
+		"code":"9",
+		"des":"Instance synchronization is an asynchronous process, which takes several minutes.This section uses SQL Explorer as an example. For details about how to use each metric, s",
+		"doc_type":"usermanual",
+		"kw":"Step 2: Switch to Intelligent O&M,Intelligent O&M,User Guide",
+		"title":"Step 2: Switch to Intelligent O&M",
+		"githuburl":""
+	},
+	{
+		"uri":"das_02_0006.html",
+		"product_code":"das",
+		"code":"10",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Data Management",
+		"title":"Data Management",
+		"githuburl":""
+	},
+	{
+		"uri":"das_02_0007.html",
+		"product_code":"das",
+		"code":"11",
+		"des":"This section describes how to manage data on the Database Management page.Perform the following operations to manage data on the Database Management page:Step 1: Log In t",
+		"doc_type":"usermanual",
+		"kw":"Overview,Data Management,User Guide",
+		"title":"Overview",
+		"githuburl":""
+	},
+	{
+		"uri":"das_02_0011.html",
+		"product_code":"das",
+		"code":"12",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Step 1: Log In to DAS,Data Management,User Guide",
+		"title":"Step 1: Log In to DAS",
+		"githuburl":""
+	},
+	{
+		"uri":"das_02_0012.html",
+		"product_code":"das",
+		"code":"13",
+		"des":"With DAS, you can create logins to manage databases using a GUI.This section uses an RDS DB instance as an example to describe how to add a database login.The username an",
+		"doc_type":"usermanual",
+		"kw":"Step 2: Add Database Login Information,Data Management,User Guide",
+		"title":"Step 2: Add Database Login Information",
+		"githuburl":""
+	},
+	{
+		"uri":"das_02_0008.html",
+		"product_code":"das",
+		"code":"14",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Step 3: Log In to a Database,Data Management,User Guide",
+		"title":"Step 3: Log In to a Database",
+		"githuburl":""
+	},
+	{
+		"uri":"das_02_0009.html",
+		"product_code":"das",
+		"code":"15",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Step 4: Manage Data,Data Management,User Guide",
+		"title":"Step 4: Manage Data",
+		"githuburl":""
+	},
+	{
+		"uri":"das_20_0011.html",
+		"product_code":"das",
+		"code":"16",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"User Guide",
+		"title":"User Guide",
+		"githuburl":""
+	},
+	{
+		"uri":"das_03_0007.html",
+		"product_code":"das",
+		"code":"17",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Logging In to the DAS Console,User Guide,User Guide",
+		"title":"Logging In to the DAS Console",
+		"githuburl":""
+	},
+	{
+		"uri":"das_03_0002.html",
+		"product_code":"das",
+		"code":"18",
+		"des":"This section describes how to add database login information so that you can log in to a database for visualized data management operations.If you have not logged in to a",
+		"doc_type":"usermanual",
+		"kw":"Adding Login Information,User Guide,User Guide",
+		"title":"Adding Login Information",
+		"githuburl":""
+	},
+	{
+		"uri":"das_03_0003.html",
+		"product_code":"das",
+		"code":"19",
+		"des":"On the DAS console, log in to a DB instance for database operations and management.Select an instance type to display your desired DB instances. RDS DB instances are used",
+		"doc_type":"usermanual",
+		"kw":"Logging In to a Database,User Guide,User Guide",
+		"title":"Logging In to a Database",
+		"githuburl":""
+	},
+	{
+		"uri":"das_03_0004.html",
+		"product_code":"das",
+		"code":"20",
+		"des":"DAS allows you to modify login information, such as username and password. You can also choose whether to remember password, or enable or disable periodic metadata collec",
+		"doc_type":"usermanual",
+		"kw":"Modifying Login Information,User Guide,User Guide",
+		"title":"Modifying Login Information",
+		"githuburl":""
+	},
+	{
+		"uri":"das_03_0005.html",
+		"product_code":"das",
+		"code":"21",
+		"des":"Delete the login information you no longer need.A login represents an entry for managing databases. Deleted logins have no impact on your database performance but cannot ",
+		"doc_type":"usermanual",
+		"kw":"Deleting Login Information,User Guide,User Guide",
+		"title":"Deleting Login Information",
+		"githuburl":""
+	},
+	{
+		"uri":"das_03_0100.html",
+		"product_code":"das",
+		"code":"22",
+		"des":"You have a database instance and want to share it with another account or another user of the same account, but you do not want this other account or user to know the pas",
+		"doc_type":"usermanual",
+		"kw":"Logging In to Databases Shared by Others,User Guide,User Guide",
+		"title":"Logging In to Databases Shared by Others",
+		"githuburl":""
+	},
+	{
+		"uri":"das_04_0001.html",
+		"product_code":"das",
+		"code":"23",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"MySQL DB Instance Management (Development Tool)",
+		"title":"MySQL DB Instance Management (Development Tool)",
+		"githuburl":""
+	},
+	{
+		"uri":"das_04_0031.html",
+		"product_code":"das",
+		"code":"24",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Homepage",
+		"title":"Homepage",
+		"githuburl":""
+	},
+	{
+		"uri":"das_08_0014.html",
+		"product_code":"das",
+		"code":"25",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Overview,Homepage,User Guide",
+		"title":"Overview",
+		"githuburl":""
+	},
+	{
+		"uri":"das_03_0090.html",
+		"product_code":"das",
+		"code":"26",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Creating a Database,Homepage,User Guide",
+		"title":"Creating a Database",
+		"githuburl":""
+	},
+	{
+		"uri":"das_08_0011.html",
+		"product_code":"das",
+		"code":"27",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Dropping a Database,Homepage,User Guide",
+		"title":"Dropping a Database",
+		"githuburl":""
+	},
+	{
+		"uri":"das_08_0016.html",
+		"product_code":"das",
+		"code":"28",
+		"des":"The current database contains tables.",
+		"doc_type":"usermanual",
+		"kw":"Data Dictionary,Homepage,User Guide",
+		"title":"Data Dictionary",
+		"githuburl":""
+	},
+	{
+		"uri":"das_04_0045.html",
+		"product_code":"das",
+		"code":"29",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"SQL Operations",
+		"title":"SQL Operations",
+		"githuburl":""
+	},
+	{
+		"uri":"das_04_0046.html",
+		"product_code":"das",
+		"code":"30",
+		"des":"Execute SQL: executes SQL statements.Tune SQL: queries the SQL statements that are executed frequently, consume a large amount of resources, or take a long time to execut",
+		"doc_type":"usermanual",
+		"kw":"SQL Window,SQL Operations,User Guide",
+		"title":"SQL Window",
+		"githuburl":""
+	},
+	{
+		"uri":"das_04_0047.html",
+		"product_code":"das",
+		"code":"31",
+		"des":"Enabling SQL Input Prompt is recommended. It helps you to select your desired database, table, or field name as prompted to quickly enter statements in the SQL window.To ",
+		"doc_type":"usermanual",
+		"kw":"Executing SQL Statements,SQL Operations,User Guide",
+		"title":"Executing SQL Statements",
+		"githuburl":""
+	},
+	{
+		"uri":"das_04_0074.html",
+		"product_code":"das",
+		"code":"32",
+		"des":"SQL tuning helps you identify the SQL statements that are executed frequently or slowly, and consume large volumes of resources. You can optimize the database according t",
+		"doc_type":"usermanual",
+		"kw":"Tuning SQL Statements,SQL Operations,User Guide",
+		"title":"Tuning SQL Statements",
+		"githuburl":""
+	},
+	{
+		"uri":"das_04_0048.html",
+		"product_code":"das",
+		"code":"33",
+		"des":"This section describes how to analyze the execution efficiency of the current SQL statement.On the Executed SQL Statements tab page, view the historical SQL executions.On",
+		"doc_type":"usermanual",
+		"kw":"Executing SQL Plan,SQL Operations,User Guide",
+		"title":"Executing SQL Plan",
+		"githuburl":""
+	},
+	{
+		"uri":"das_04_0050.html",
+		"product_code":"das",
+		"code":"34",
+		"des":"DAS allows you to add frequently used SQL statements and view and manage SQL statements.Add SQL Statement: allows you to add your desired SQL statements. Specifically, sp",
+		"doc_type":"usermanual",
+		"kw":"SQL Favorites,SQL Operations,User Guide",
+		"title":"SQL Favorites",
+		"githuburl":""
+	},
+	{
+		"uri":"das_04_0084.html",
+		"product_code":"das",
+		"code":"35",
+		"des":"To access the Database Management page, click a database name.To copy and use your required SQL statements, click the SQL statement in the SQL Statement column.To directl",
+		"doc_type":"usermanual",
+		"kw":"SQL History,SQL Operations,User Guide",
+		"title":"SQL History",
+		"githuburl":""
+	},
+	{
+		"uri":"das_08_0010.html",
+		"product_code":"das",
+		"code":"36",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Database Management",
+		"title":"Database Management",
+		"githuburl":""
+	},
+	{
+		"uri":"das_04_0008.html",
+		"product_code":"das",
+		"code":"37",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Table Management",
+		"title":"Table Management",
+		"githuburl":""
+	},
+	{
+		"uri":"das_04_0009.html",
+		"product_code":"das",
+		"code":"38",
+		"des":"A MySQL data table consists of basic information, field/column information, virtual columns, indexes, and foreign keys. The virtual columns, indexes, and foreign keys are",
+		"doc_type":"usermanual",
+		"kw":"Creating a Table,Table Management,User Guide",
+		"title":"Creating a Table",
+		"githuburl":""
+	},
+	{
+		"uri":"das_04_0010.html",
+		"product_code":"das",
+		"code":"39",
+		"des":"If a table has primary keys, you can add, delete, modify, or query table data as you do in Excel.",
+		"doc_type":"usermanual",
+		"kw":"Opening a Table,Table Management,User Guide",
+		"title":"Opening a Table",
+		"githuburl":""
+	},
+	{
+		"uri":"das_04_0011.html",
+		"product_code":"das",
+		"code":"40",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Viewing Table Details,Table Management,User Guide",
+		"title":"Viewing Table Details",
+		"githuburl":""
+	},
+	{
+		"uri":"das_04_0012.html",
+		"product_code":"das",
+		"code":"41",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Altering a Table,Table Management,User Guide",
+		"title":"Altering a Table",
+		"githuburl":""
+	},
+	{
+		"uri":"das_04_0013.html",
+		"product_code":"das",
+		"code":"42",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Renaming a Table,Table Management,User Guide",
+		"title":"Renaming a Table",
+		"githuburl":""
+	},
+	{
+		"uri":"das_04_0014.html",
+		"product_code":"das",
+		"code":"43",
+		"des":"Cleared tables cannot be recovered. Exercise caution when performing this operation.",
+		"doc_type":"usermanual",
+		"kw":"Clearing a Table,Table Management,User Guide",
+		"title":"Clearing a Table",
+		"githuburl":""
+	},
+	{
+		"uri":"das_04_0018.html",
+		"product_code":"das",
+		"code":"44",
+		"des":"Dropped tables cannot be recovered. Exercise caution when performing this operation.",
+		"doc_type":"usermanual",
+		"kw":"Dropping a Table,Table Management,User Guide",
+		"title":"Dropping a Table",
+		"githuburl":""
+	},
+	{
+		"uri":"das_04_0069.html",
+		"product_code":"das",
+		"code":"45",
+		"des":"While working with MySQL databases, you do a lot of changes such as data insert, update, and deletion, which may cause table fragmentation. As a result, the database serv",
+		"doc_type":"usermanual",
+		"kw":"Maintaining a Table,Table Management,User Guide",
+		"title":"Maintaining a Table",
+		"githuburl":""
+	},
+	{
+		"uri":"das_04_0019.html",
+		"product_code":"das",
+		"code":"46",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"View Management",
+		"title":"View Management",
+		"githuburl":""
+	},
+	{
+		"uri":"das_04_0020.html",
+		"product_code":"das",
+		"code":"47",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Creating a View,View Management,User Guide",
+		"title":"Creating a View",
+		"githuburl":""
+	},
+	{
+		"uri":"das_04_0022.html",
+		"product_code":"das",
+		"code":"48",
+		"des":"View data can be only queried, but not be edited, because views do not have primary keys.",
+		"doc_type":"usermanual",
+		"kw":"Opening a View,View Management,User Guide",
+		"title":"Opening a View",
+		"githuburl":""
+	},
+	{
+		"uri":"das_04_0023.html",
+		"product_code":"das",
+		"code":"49",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Altering a View,View Management,User Guide",
+		"title":"Altering a View",
+		"githuburl":""
+	},
+	{
+		"uri":"das_04_0025.html",
+		"product_code":"das",
+		"code":"50",
+		"des":"Dropped views cannot be recovered. Exercise caution when performing this operation.",
+		"doc_type":"usermanual",
+		"kw":"Dropping a View,View Management,User Guide",
+		"title":"Dropping a View",
+		"githuburl":""
+	},
+	{
+		"uri":"das_04_0030.html",
+		"product_code":"das",
+		"code":"51",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Stored Procedure Management",
+		"title":"Stored Procedure Management",
+		"githuburl":""
+	},
+	{
+		"uri":"das_04_0067.html",
+		"product_code":"das",
+		"code":"52",
+		"des":"A stored procedure is a set of SQL statements used to implement specific functions. After being compiled, stored procedures are stored in databases. You can execute the s",
+		"doc_type":"usermanual",
+		"kw":"Creating a Stored Procedure,Stored Procedure Management,User Guide",
+		"title":"Creating a Stored Procedure",
+		"githuburl":""
+	},
+	{
+		"uri":"das_04_0032.html",
+		"product_code":"das",
+		"code":"53",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Altering or Executing a Stored Procedure,Stored Procedure Management,User Guide",
+		"title":"Altering or Executing a Stored Procedure",
+		"githuburl":""
+	},
+	{
+		"uri":"das_04_0033.html",
+		"product_code":"das",
+		"code":"54",
+		"des":"Dropped stored procedures cannot be recovered. Exercise caution when performing this operation.",
+		"doc_type":"usermanual",
+		"kw":"Dropping a Stored Procedure,Stored Procedure Management,User Guide",
+		"title":"Dropping a Stored Procedure",
+		"githuburl":""
+	},
+	{
+		"uri":"das_04_0110.html",
+		"product_code":"das",
+		"code":"55",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Viewing Stored Procedure Details,Stored Procedure Management,User Guide",
+		"title":"Viewing Stored Procedure Details",
+		"githuburl":""
+	},
+	{
+		"uri":"das_04_0026.html",
+		"product_code":"das",
+		"code":"56",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Event Management",
+		"title":"Event Management",
+		"githuburl":""
+	},
+	{
+		"uri":"das_04_0027.html",
+		"product_code":"das",
+		"code":"57",
+		"des":"This section describes how to create an event to periodically respond to specific operations.When event_scheduler for RDS DB instances is set to ON and the event function",
+		"doc_type":"usermanual",
+		"kw":"Creating an Event,Event Management,User Guide",
+		"title":"Creating an Event",
+		"githuburl":""
+	},
+	{
+		"uri":"das_04_0028.html",
+		"product_code":"das",
+		"code":"58",
+		"des":"This section describes how to alter an event.",
+		"doc_type":"usermanual",
+		"kw":"Altering an Event,Event Management,User Guide",
+		"title":"Altering an Event",
+		"githuburl":""
+	},
+	{
+		"uri":"das_04_0029.html",
+		"product_code":"das",
+		"code":"59",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Dropping an Event,Event Management,User Guide",
+		"title":"Dropping an Event",
+		"githuburl":""
+	},
+	{
+		"uri":"das_04_0051.html",
+		"product_code":"das",
+		"code":"60",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Trigger Management",
+		"title":"Trigger Management",
+		"githuburl":""
+	},
+	{
+		"uri":"das_04_0052.html",
+		"product_code":"das",
+		"code":"61",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Creating a Trigger,Trigger Management,User Guide",
+		"title":"Creating a Trigger",
+		"githuburl":""
+	},
+	{
+		"uri":"das_04_0054.html",
+		"product_code":"das",
+		"code":"62",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Altering a Trigger,Trigger Management,User Guide",
+		"title":"Altering a Trigger",
+		"githuburl":""
+	},
+	{
+		"uri":"das_04_0055.html",
+		"product_code":"das",
+		"code":"63",
+		"des":"Dropped triggers cannot be recovered. Exercise caution when performing this operation.",
+		"doc_type":"usermanual",
+		"kw":"Dropping a Trigger,Trigger Management,User Guide",
+		"title":"Dropping a Trigger",
+		"githuburl":""
+	},
+	{
+		"uri":"das_04_0035.html",
+		"product_code":"das",
+		"code":"64",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Function Management",
+		"title":"Function Management",
+		"githuburl":""
+	},
+	{
+		"uri":"das_04_0036.html",
+		"product_code":"das",
+		"code":"65",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Creating a Function,Function Management,User Guide",
+		"title":"Creating a Function",
+		"githuburl":""
+	},
+	{
+		"uri":"das_04_0037.html",
+		"product_code":"das",
+		"code":"66",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Altering or Executing a Function,Function Management,User Guide",
+		"title":"Altering or Executing a Function",
+		"githuburl":""
+	},
+	{
+		"uri":"das_04_0038.html",
+		"product_code":"das",
+		"code":"67",
+		"des":"Dropped functions cannot be recovered. Exercise caution when performing this operation.",
+		"doc_type":"usermanual",
+		"kw":"Dropping a Function,Function Management,User Guide",
+		"title":"Dropping a Function",
+		"githuburl":""
+	},
+	{
+		"uri":"das_04_0039.html",
+		"product_code":"das",
+		"code":"68",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Viewing Details of a Function,Function Management,User Guide",
+		"title":"Viewing Details of a Function",
+		"githuburl":""
+	},
+	{
+		"uri":"das_04_0098.html",
+		"product_code":"das",
+		"code":"69",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Import and Export",
+		"title":"Import and Export",
+		"githuburl":""
+	},
+	{
+		"uri":"das_04_0042.html",
+		"product_code":"das",
+		"code":"70",
+		"des":"Import data from your local PC or OBS bucket for data backup and migration.Import data into a table for backup or data migration. The table structure to be imported must ",
+		"doc_type":"usermanual",
+		"kw":"Data Import,Import and Export,User Guide",
+		"title":"Data Import",
+		"githuburl":""
+	},
+	{
+		"uri":"das_04_0041.html",
+		"product_code":"das",
+		"code":"71",
+		"des":"You have created a user database on the MySQL database management page. For details, see Creating a Database.Use pagination to query large amounts of data. You can export",
+		"doc_type":"usermanual",
+		"kw":"Data Export,Import and Export,User Guide",
+		"title":"Data Export",
+		"githuburl":""
+	},
+	{
+		"uri":"das_04_0085.html",
+		"product_code":"das",
+		"code":"72",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Structure Management",
+		"title":"Structure Management",
+		"githuburl":""
+	},
+	{
+		"uri":"das_04_0086.html",
+		"product_code":"das",
+		"code":"73",
+		"des":"When you perform a migration or verification, you can check the structure difference by comparing and synchronizing table structures.Search for tasks by task status and v",
+		"doc_type":"usermanual",
+		"kw":"Table Structure Comparison and Synchronization,Structure Management,User Guide",
+		"title":"Table Structure Comparison and Synchronization",
+		"githuburl":""
+	},
+	{
+		"uri":"das_04_0056.html",
+		"product_code":"das",
+		"code":"74",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Data Scheme",
+		"title":"Data Scheme",
+		"githuburl":""
+	},
+	{
+		"uri":"das_04_0058.html",
+		"product_code":"das",
+		"code":"75",
+		"des":"During the functional testing of a program, a large amount of test data complying with specific rules needs to be inserted into the database. DAS allows you to automatica",
+		"doc_type":"usermanual",
+		"kw":"Data Generator,Data Scheme,User Guide",
+		"title":"Data Generator",
+		"githuburl":""
+	},
+	{
+		"uri":"das_04_0082.html",
+		"product_code":"das",
+		"code":"76",
+		"des":"Audit core data changes, collect change statistics, and view sensitive information. For example, you can use this function to query bank statements, statistics on new ord",
+		"doc_type":"usermanual",
+		"kw":"Data Tracking and Rollback,Data Scheme,User Guide",
+		"title":"Data Tracking and Rollback",
+		"githuburl":""
+	},
+	{
+		"uri":"das_04_0083.html",
+		"product_code":"das",
+		"code":"77",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Background Tasks",
+		"title":"Background Tasks",
+		"githuburl":""
+	},
+	{
+		"uri":"das_04_0120.html",
+		"product_code":"das",
+		"code":"78",
+		"des":"DAS allows you to execute SQL statements by scheduling tasks. Scheduling types include upon submission, scheduled, and periodic. You can select the scheduling type when c",
+		"doc_type":"usermanual",
+		"kw":"Task Scheduling,Background Tasks,User Guide",
+		"title":"Task Scheduling",
+		"githuburl":""
+	},
+	{
+		"uri":"das_04_0121.html",
+		"product_code":"das",
+		"code":"79",
+		"des":"Scheduled backup allows you to back up important database tables and data or SQL result sets so that data can be restored timely in case of a data loss.Storage: The syste",
+		"doc_type":"usermanual",
+		"kw":"Scheduled Backup,Background Tasks,User Guide",
+		"title":"Scheduled Backup",
+		"githuburl":""
+	},
+	{
+		"uri":"das_04_0063.html",
+		"product_code":"das",
+		"code":"80",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Intelligent O&M",
+		"title":"Intelligent O&M",
+		"githuburl":""
+	},
+	{
+		"uri":"das_04_0081.html",
+		"product_code":"das",
+		"code":"81",
+		"des":"With Intelligent O&M, you can comprehensively analyze DB instances to understand their performance and operating statuses. It provides multi-dimensional and real-time per",
+		"doc_type":"usermanual",
+		"kw":"Intelligent O&M,Real-Time Performance,Intelligent O&M,User Guide",
+		"title":"Real-Time Performance",
+		"githuburl":""
+	},
+	{
+		"uri":"das_04_0065.html",
+		"product_code":"das",
+		"code":"82",
+		"des":"View the running duration and status of SQL statements online to detect and handle abnormal processes in a timely manner to ensure that databases run smoothly.Define slow",
+		"doc_type":"usermanual",
+		"kw":"Real-Time Sessions,Intelligent O&M,User Guide",
+		"title":"Real-Time Sessions",
+		"githuburl":""
+	},
+	{
+		"uri":"das_04_0093.html",
+		"product_code":"das",
+		"code":"83",
+		"des":"If the maximum number of sessions for an instance has been reached and the instance cannot be logged in to, you can view and kill unnecessary sessions through the emergen",
+		"doc_type":"usermanual",
+		"kw":"Emergency Channel,Intelligent O&M,User Guide",
+		"title":"Emergency Channel",
+		"githuburl":""
+	},
+	{
+		"uri":"das_04_0094.html",
+		"product_code":"das",
+		"code":"84",
+		"des":"You can view memory parameter settings online to detect problems in a timely manner. This prevents high memory usage.",
+		"doc_type":"usermanual",
+		"kw":"Memory Parameter Setting Diagnosis,Intelligent O&M,User Guide",
+		"title":"Memory Parameter Setting Diagnosis",
+		"githuburl":""
+	},
+	{
+		"uri":"das_04_0072.html",
+		"product_code":"das",
+		"code":"85",
+		"des":"SQL tuning helps you identify the SQL statements that are executed frequently or slowly, and consume large volumes of resources. You can optimize the database according t",
+		"doc_type":"usermanual",
+		"kw":"SQL Tuning,Intelligent O&M,User Guide",
+		"title":"SQL Tuning",
+		"githuburl":""
+	},
+	{
+		"uri":"das_04_0080.html",
+		"product_code":"das",
+		"code":"86",
+		"des":"A diagnosis report displays the database data in a specified period, including real-time performance data, session statistics, slow SQL statements, and SQL tuning statist",
+		"doc_type":"usermanual",
+		"kw":"Tuning Report,Intelligent O&M,User Guide",
+		"title":"Tuning Report",
+		"githuburl":""
+	},
+	{
+		"uri":"das_04_0071.html",
+		"product_code":"das",
+		"code":"87",
+		"des":"InnoDB lock status management allows you to diagnose conflicts during execution of transactions or sessions with a few clicks. By querying the lock status, you can obtain",
+		"doc_type":"usermanual",
+		"kw":"InnoDB Lock Query,Intelligent O&M,User Guide",
+		"title":"InnoDB Lock Query",
+		"githuburl":""
+	},
+	{
+		"uri":"das_04_0066.html",
+		"product_code":"das",
+		"code":"88",
+		"des":"Use binlogs to query historical operations to trace data and quickly locate problems.",
+		"doc_type":"usermanual",
+		"kw":"Binlog Query,Intelligent O&M,User Guide",
+		"title":"Binlog Query",
+		"githuburl":""
+	},
+	{
+		"uri":"das_04_0059.html",
+		"product_code":"das",
+		"code":"89",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Account Management",
+		"title":"Account Management",
+		"githuburl":""
+	},
+	{
+		"uri":"das_04_0068.html",
+		"product_code":"das",
+		"code":"90",
+		"des":"To ensure that RDS MySQL databases run properly and prevent account information from being deleted by mistake, DAS hides the following accounts of MySQL database users.",
+		"doc_type":"usermanual",
+		"kw":"Database Account Security,Account Management,User Guide",
+		"title":"Database Account Security",
+		"githuburl":""
+	},
+	{
+		"uri":"das_04_0060.html",
+		"product_code":"das",
+		"code":"91",
+		"des":"Multiple users with different permissions can be created to access a DB instance or database, but the permissions of these users cannot exceed the operation permissions o",
+		"doc_type":"usermanual",
+		"kw":"Creating a User,Account Management,User Guide",
+		"title":"Creating a User",
+		"githuburl":""
+	},
+	{
+		"uri":"das_04_0061.html",
+		"product_code":"das",
+		"code":"92",
+		"des":"This section describes how to edit user information, including the user name, password, global permissions, object permissions, and advanced settings.",
+		"doc_type":"usermanual",
+		"kw":"Editing User Information,Account Management,User Guide",
+		"title":"Editing User Information",
+		"githuburl":""
+	},
+	{
+		"uri":"das_04_0062.html",
+		"product_code":"das",
+		"code":"93",
+		"des":"Deleted users cannot be recovered. Exercise caution when performing this operation.",
+		"doc_type":"usermanual",
+		"kw":"Deleting a User,Account Management,User Guide",
+		"title":"Deleting a User",
+		"githuburl":""
+	},
+	{
+		"uri":"das_13_0001.html",
+		"product_code":"das",
+		"code":"94",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"GaussDB(for MySQL) DB Instance Management (Development Tool)",
+		"title":"GaussDB(for MySQL) DB Instance Management (Development Tool)",
+		"githuburl":""
+	},
+	{
+		"uri":"das_13_0002.html",
+		"product_code":"das",
+		"code":"95",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Homepage",
+		"title":"Homepage",
+		"githuburl":""
+	},
+	{
+		"uri":"das_13_0003.html",
+		"product_code":"das",
+		"code":"96",
+		"des":"Brief introduction that helps you better understand DAS",
+		"doc_type":"usermanual",
+		"kw":"Overview,Homepage,User Guide",
+		"title":"Overview",
+		"githuburl":""
+	},
+	{
+		"uri":"das_13_0005.html",
+		"product_code":"das",
+		"code":"97",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Creating a Database,Homepage,User Guide",
+		"title":"Creating a Database",
+		"githuburl":""
+	},
+	{
+		"uri":"das_13_0006.html",
+		"product_code":"das",
+		"code":"98",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Dropping a Database,Homepage,User Guide",
+		"title":"Dropping a Database",
+		"githuburl":""
+	},
+	{
+		"uri":"das_13_0040.html",
+		"product_code":"das",
+		"code":"99",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"SQL Operations",
+		"title":"SQL Operations",
+		"githuburl":""
+	},
+	{
+		"uri":"das_13_0041.html",
+		"product_code":"das",
+		"code":"100",
+		"des":"Execute SQL: executes SQL statements.Tune SQL: queries the SQL statements that are executed frequently, consume a large amount of resources, or take a long time to execut",
+		"doc_type":"usermanual",
+		"kw":"SQL Window,SQL Operations,User Guide",
+		"title":"SQL Window",
+		"githuburl":""
+	},
+	{
+		"uri":"das_13_0042.html",
+		"product_code":"das",
+		"code":"101",
+		"des":"To access the Database Management page, click a database name.To copy and use your required SQL statements, click the SQL statement in the SQL Statement column.To directl",
+		"doc_type":"usermanual",
+		"kw":"SQL History,SQL Operations,User Guide",
+		"title":"SQL History",
+		"githuburl":""
+	},
+	{
+		"uri":"das_13_0004.html",
+		"product_code":"das",
+		"code":"102",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Database Management",
+		"title":"Database Management",
+		"githuburl":""
+	},
+	{
+		"uri":"das_13_0007.html",
+		"product_code":"das",
+		"code":"103",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Table Management",
+		"title":"Table Management",
+		"githuburl":""
+	},
+	{
+		"uri":"das_13_0008.html",
+		"product_code":"das",
+		"code":"104",
+		"des":"A GaussDB(for MySQL) database table consists of basic information, fields or columns, virtual columns, indexes, and foreign keys, among which virtual columns, indexes, an",
+		"doc_type":"usermanual",
+		"kw":"Creating a Table,Table Management,User Guide",
+		"title":"Creating a Table",
+		"githuburl":""
+	},
+	{
+		"uri":"das_13_0009.html",
+		"product_code":"das",
+		"code":"105",
+		"des":"If a table has primary keys, you can add, delete, modify, or query table data as you do in Excel.System tables cannot be modified.",
+		"doc_type":"usermanual",
+		"kw":"Opening a Table,Table Management,User Guide",
+		"title":"Opening a Table",
+		"githuburl":""
+	},
+	{
+		"uri":"das_13_0010.html",
+		"product_code":"das",
+		"code":"106",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Viewing Table Details,Table Management,User Guide",
+		"title":"Viewing Table Details",
+		"githuburl":""
+	},
+	{
+		"uri":"das_13_0011.html",
+		"product_code":"das",
+		"code":"107",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Altering a Table,Table Management,User Guide",
+		"title":"Altering a Table",
+		"githuburl":""
+	},
+	{
+		"uri":"das_13_0012.html",
+		"product_code":"das",
+		"code":"108",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Renaming a Table,Table Management,User Guide",
+		"title":"Renaming a Table",
+		"githuburl":""
+	},
+	{
+		"uri":"das_13_0013.html",
+		"product_code":"das",
+		"code":"109",
+		"des":"Cleared tables cannot be recovered. Exercise caution when performing this operation.",
+		"doc_type":"usermanual",
+		"kw":"Clearing a Table,Table Management,User Guide",
+		"title":"Clearing a Table",
+		"githuburl":""
+	},
+	{
+		"uri":"das_13_0014.html",
+		"product_code":"das",
+		"code":"110",
+		"des":"Dropped tables cannot be recovered. Exercise caution when performing this operation.",
+		"doc_type":"usermanual",
+		"kw":"Dropping a Table,Table Management,User Guide",
+		"title":"Dropping a Table",
+		"githuburl":""
+	},
+	{
+		"uri":"das_13_0015.html",
+		"product_code":"das",
+		"code":"111",
+		"des":"While working with a database, you do a lot of changes to tables such as inserting, updating and deleting data. This occupies disk space and deteriorates database perform",
+		"doc_type":"usermanual",
+		"kw":"Maintaining a Table,Table Management,User Guide",
+		"title":"Maintaining a Table",
+		"githuburl":""
+	},
+	{
+		"uri":"das_13_0017.html",
+		"product_code":"das",
+		"code":"112",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"View Management",
+		"title":"View Management",
+		"githuburl":""
+	},
+	{
+		"uri":"das_13_0018.html",
+		"product_code":"das",
+		"code":"113",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Creating a View,View Management,User Guide",
+		"title":"Creating a View",
+		"githuburl":""
+	},
+	{
+		"uri":"das_13_0019.html",
+		"product_code":"das",
+		"code":"114",
+		"des":"View data can be only queried, but not be edited, because views do not have primary keys.",
+		"doc_type":"usermanual",
+		"kw":"Opening a View,View Management,User Guide",
+		"title":"Opening a View",
+		"githuburl":""
+	},
+	{
+		"uri":"das_13_0020.html",
+		"product_code":"das",
+		"code":"115",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Altering a View,View Management,User Guide",
+		"title":"Altering a View",
+		"githuburl":""
+	},
+	{
+		"uri":"das_13_0021.html",
+		"product_code":"das",
+		"code":"116",
+		"des":"Dropped views cannot be recovered. Exercise caution when performing this operation.",
+		"doc_type":"usermanual",
+		"kw":"Dropping a View,View Management,User Guide",
+		"title":"Dropping a View",
+		"githuburl":""
+	},
+	{
+		"uri":"das_13_0022.html",
+		"product_code":"das",
+		"code":"117",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Event Management",
+		"title":"Event Management",
+		"githuburl":""
+	},
+	{
+		"uri":"das_13_0023.html",
+		"product_code":"das",
+		"code":"118",
+		"des":"Create an event to periodically response to specific operations on databases.When event_scheduler of an RDS DB instance is set to ON, and the event function is enabled, y",
+		"doc_type":"usermanual",
+		"kw":"Creating an Event,Event Management,User Guide",
+		"title":"Creating an Event",
+		"githuburl":""
+	},
+	{
+		"uri":"das_13_0024.html",
+		"product_code":"das",
+		"code":"119",
+		"des":"This section describes how to alter an event.",
+		"doc_type":"usermanual",
+		"kw":"Altering an Event,Event Management,User Guide",
+		"title":"Altering an Event",
+		"githuburl":""
+	},
+	{
+		"uri":"das_13_0025.html",
+		"product_code":"das",
+		"code":"120",
+		"des":"Dropped events cannot be recovered. Exercise caution when performing this operation.",
+		"doc_type":"usermanual",
+		"kw":"Dropping an Event,Event Management,User Guide",
+		"title":"Dropping an Event",
+		"githuburl":""
+	},
+	{
+		"uri":"das_13_0026.html",
+		"product_code":"das",
+		"code":"121",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Stored Procedure Management",
+		"title":"Stored Procedure Management",
+		"githuburl":""
+	},
+	{
+		"uri":"das_13_0027.html",
+		"product_code":"das",
+		"code":"122",
+		"des":"A stored procedure consists of a set of SQL statements that can complete specific tasks or process complex services. This section describes how to create a stored procedu",
+		"doc_type":"usermanual",
+		"kw":"Creating a Stored Procedure,Stored Procedure Management,User Guide",
+		"title":"Creating a Stored Procedure",
+		"githuburl":""
+	},
+	{
+		"uri":"das_13_0028.html",
+		"product_code":"das",
+		"code":"123",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Altering or Executing a Stored Procedure,Stored Procedure Management,User Guide",
+		"title":"Altering or Executing a Stored Procedure",
+		"githuburl":""
+	},
+	{
+		"uri":"das_13_0029.html",
+		"product_code":"das",
+		"code":"124",
+		"des":"Dropped stored procedures cannot be recovered. Exercise caution when performing this operation.",
+		"doc_type":"usermanual",
+		"kw":"Dropping a Stored Procedure,Stored Procedure Management,User Guide",
+		"title":"Dropping a Stored Procedure",
+		"githuburl":""
+	},
+	{
+		"uri":"das_13_0030.html",
+		"product_code":"das",
+		"code":"125",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Function Management",
+		"title":"Function Management",
+		"githuburl":""
+	},
+	{
+		"uri":"das_13_0031.html",
+		"product_code":"das",
+		"code":"126",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Creating a Function,Function Management,User Guide",
+		"title":"Creating a Function",
+		"githuburl":""
+	},
+	{
+		"uri":"das_13_0032.html",
+		"product_code":"das",
+		"code":"127",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Altering or Executing a Function,Function Management,User Guide",
+		"title":"Altering or Executing a Function",
+		"githuburl":""
+	},
+	{
+		"uri":"das_13_0033.html",
+		"product_code":"das",
+		"code":"128",
+		"des":"Dropped functions cannot be recovered. Exercise caution when performing this operation.",
+		"doc_type":"usermanual",
+		"kw":"Dropping a Function,Function Management,User Guide",
+		"title":"Dropping a Function",
+		"githuburl":""
+	},
+	{
+		"uri":"das_13_0035.html",
+		"product_code":"das",
+		"code":"129",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Trigger Management",
+		"title":"Trigger Management",
+		"githuburl":""
+	},
+	{
+		"uri":"das_13_0036.html",
+		"product_code":"das",
+		"code":"130",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Creating a Trigger,Trigger Management,User Guide",
+		"title":"Creating a Trigger",
+		"githuburl":""
+	},
+	{
+		"uri":"das_13_0038.html",
+		"product_code":"das",
+		"code":"131",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Altering a Trigger,Trigger Management,User Guide",
+		"title":"Altering a Trigger",
+		"githuburl":""
+	},
+	{
+		"uri":"das_13_0039.html",
+		"product_code":"das",
+		"code":"132",
+		"des":"Dropped triggers cannot be recovered. Exercise caution when performing this operation.",
+		"doc_type":"usermanual",
+		"kw":"Dropping a Trigger,Trigger Management,User Guide",
+		"title":"Dropping a Trigger",
+		"githuburl":""
+	},
+	{
+		"uri":"das_13_0047.html",
+		"product_code":"das",
+		"code":"133",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Import and Export",
+		"title":"Import and Export",
+		"githuburl":""
+	},
+	{
+		"uri":"das_13_0048.html",
+		"product_code":"das",
+		"code":"134",
+		"des":"Import data into a table for backup or data migration. The table structure to be imported must be the same as that of the target table. If you import a CSV or SQL file, t",
+		"doc_type":"usermanual",
+		"kw":"Data Import,Import and Export,User Guide",
+		"title":"Data Import",
+		"githuburl":""
+	},
+	{
+		"uri":"das_13_0049.html",
+		"product_code":"das",
+		"code":"135",
+		"des":"DAS supports pagination query to meet your requirements for querying large amounts of data. You can export all the data at a time when backing up or migrating data.Altern",
+		"doc_type":"usermanual",
+		"kw":"Data Export,Import and Export,User Guide",
+		"title":"Data Export",
+		"githuburl":""
+	},
+	{
+		"uri":"das_13_0050.html",
+		"product_code":"das",
+		"code":"136",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Structure Management",
+		"title":"Structure Management",
+		"githuburl":""
+	},
+	{
+		"uri":"das_13_0051.html",
+		"product_code":"das",
+		"code":"137",
+		"des":"When you perform a migration or verification, you can check the structure difference by comparing and synchronizing table structures.Search for tasks by task status and v",
+		"doc_type":"usermanual",
+		"kw":"Table Structure Comparison and Synchronization,Structure Management,User Guide",
+		"title":"Table Structure Comparison and Synchronization",
+		"githuburl":""
+	},
+	{
+		"uri":"das_13_0052.html",
+		"product_code":"das",
+		"code":"138",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Data Scheme",
+		"title":"Data Scheme",
+		"githuburl":""
+	},
+	{
+		"uri":"das_13_0053.html",
+		"product_code":"das",
+		"code":"139",
+		"des":"DAS can automatically generate test data according to certain rules. This test data can be inserted into a database to test program functions. This section describes how ",
+		"doc_type":"usermanual",
+		"kw":"Data Generator,Data Scheme,User Guide",
+		"title":"Data Generator",
+		"githuburl":""
+	},
+	{
+		"uri":"das_13_0062.html",
+		"product_code":"das",
+		"code":"140",
+		"des":"Scheduled backup allows you to back up important database tables and data or SQL result sets so that data can be restored timely in case of a data loss.Storage: The syste",
+		"doc_type":"usermanual",
+		"kw":"Scheduled Backup,GaussDB(for MySQL) DB Instance Management (Development Tool),User Guide",
+		"title":"Scheduled Backup",
+		"githuburl":""
+	},
+	{
+		"uri":"das_13_0055.html",
+		"product_code":"das",
+		"code":"141",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Intelligent O&M",
+		"title":"Intelligent O&M",
+		"githuburl":""
+	},
+	{
+		"uri":"das_11_0056.html",
+		"product_code":"das",
+		"code":"142",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Real-Time Performance,Intelligent O&M,User Guide",
+		"title":"Real-Time Performance",
+		"githuburl":""
+	},
+	{
+		"uri":"das_11_0057.html",
+		"product_code":"das",
+		"code":"143",
+		"des":"On the Slow Sessions tab page, set the slow SQL threshold and click the refreshing button or enable Auto Refresh to single out the SQL statements whose execution time exc",
+		"doc_type":"usermanual",
+		"kw":"Real-Time Sessions,Intelligent O&M,User Guide",
+		"title":"Real-Time Sessions",
+		"githuburl":""
+	},
+	{
+		"uri":"das_11_0060.html",
+		"product_code":"das",
+		"code":"144",
+		"des":"The SQL tuning function obtains the table structure and data distribution information (non-original). The obtained data is only for logic diagnosis, but not stored on the",
+		"doc_type":"usermanual",
+		"kw":"SQL Tuning,Intelligent O&M,User Guide",
+		"title":"SQL Tuning",
+		"githuburl":""
+	},
+	{
+		"uri":"das_11_0059.html",
+		"product_code":"das",
+		"code":"145",
+		"des":"A diagnosis report displays the database data in a specified period, including real-time performance data, session statistics, slow SQL statements, and SQL tuning statist",
+		"doc_type":"usermanual",
+		"kw":"Tuning Report,Intelligent O&M,User Guide",
+		"title":"Tuning Report",
+		"githuburl":""
+	},
+	{
+		"uri":"das_11_0080.html",
+		"product_code":"das",
+		"code":"146",
+		"des":"InnoDB lock status management allows you to diagnose conflicts during execution of transactions or sessions with a few clicks. By querying the lock status, you can obtain",
+		"doc_type":"usermanual",
+		"kw":"InnoDB Lock Query,Intelligent O&M,User Guide",
+		"title":"InnoDB Lock Query",
+		"githuburl":""
+	},
+	{
+		"uri":"das_13_0061.html",
+		"product_code":"das",
+		"code":"147",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Account Management",
+		"title":"Account Management",
+		"githuburl":""
+	},
+	{
+		"uri":"das_13_0070.html",
+		"product_code":"das",
+		"code":"148",
+		"des":"DAS hides the following accounts of RDS MySQL databases to ensure that the databases run properly and prevent account information from being deleted by mistake.",
+		"doc_type":"usermanual",
+		"kw":"Configuring Database Account Security,Account Management,User Guide",
+		"title":"Configuring Database Account Security",
+		"githuburl":""
+	},
+	{
+		"uri":"das_13_0071.html",
+		"product_code":"das",
+		"code":"149",
+		"des":"Multiple users with different permissions can be created to access a DB instance or database, but the permissions of these users must be within the range of the account p",
+		"doc_type":"usermanual",
+		"kw":"Creating a User,Account Management,User Guide",
+		"title":"Creating a User",
+		"githuburl":""
+	},
+	{
+		"uri":"das_13_0072.html",
+		"product_code":"das",
+		"code":"150",
+		"des":"This section describes how to edit user information, including the user name, password, global permissions, object permissions, and advanced settings.",
+		"doc_type":"usermanual",
+		"kw":"Editing a User,Account Management,User Guide",
+		"title":"Editing a User",
+		"githuburl":""
+	},
+	{
+		"uri":"das_04_0073.html",
+		"product_code":"das",
+		"code":"151",
+		"des":"Deleted users cannot be recovered. Exercise caution when performing this operation.",
+		"doc_type":"usermanual",
+		"kw":"Deleting a User,Account Management,User Guide",
+		"title":"Deleting a User",
+		"githuburl":""
+	},
+	{
+		"uri":"das_16_0001.html",
+		"product_code":"das",
+		"code":"152",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"GaussDB(for Cassandra) DB Instance Management (Development Tool)",
+		"title":"GaussDB(for Cassandra) DB Instance Management (Development Tool)",
+		"githuburl":""
+	},
+	{
+		"uri":"das_16_0002.html",
+		"product_code":"das",
+		"code":"153",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Overview",
+		"title":"Overview",
+		"githuburl":""
+	},
+	{
+		"uri":"das_16_0003.html",
+		"product_code":"das",
+		"code":"154",
+		"des":"For more login information, see Logging In to a Database.Brief introduction that helps you better understand DAS",
+		"doc_type":"usermanual",
+		"kw":"Function Overview,Overview,User Guide",
+		"title":"Function Overview",
+		"githuburl":""
+	},
+	{
+		"uri":"das_16_0004.html",
+		"product_code":"das",
+		"code":"155",
+		"des":"If there are too many tables, the system will not collect the metadata and display the table list to mitigate the impact on database performance.You can manage instance t",
+		"doc_type":"usermanual",
+		"kw":"Keyspace Management,Overview,User Guide",
+		"title":"Keyspace Management",
+		"githuburl":""
+	},
+	{
+		"uri":"das_16_0005.html",
+		"product_code":"das",
+		"code":"156",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Creating a Keyspace,Overview,User Guide",
+		"title":"Creating a Keyspace",
+		"githuburl":""
+	},
+	{
+		"uri":"das_16_0006.html",
+		"product_code":"das",
+		"code":"157",
+		"des":"You are advised to enable Save Executed SQL Statements in the upper right corner so that the recently executed SQL statements can be saved to the server.Execute SQL: exec",
+		"doc_type":"usermanual",
+		"kw":"SQL Window,Overview,User Guide",
+		"title":"SQL Window",
+		"githuburl":""
+	},
+	{
+		"uri":"das_16_0007.html",
+		"product_code":"das",
+		"code":"158",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Table Management",
+		"title":"Table Management",
+		"githuburl":""
+	},
+	{
+		"uri":"das_16_0008.html",
+		"product_code":"das",
+		"code":"159",
+		"des":"At least one table has been created in the current keyspace.You can create tables in the SQL window.",
+		"doc_type":"usermanual",
+		"kw":"Opening a Table,Table Management,User Guide",
+		"title":"Opening a Table",
+		"githuburl":""
+	},
+	{
+		"uri":"das_16_0009.html",
+		"product_code":"das",
+		"code":"160",
+		"des":"At least one table has been created in the current keyspace.",
+		"doc_type":"usermanual",
+		"kw":"Viewing Table Details,Table Management,User Guide",
+		"title":"Viewing Table Details",
+		"githuburl":""
+	},
+	{
+		"uri":"das_16_0010.html",
+		"product_code":"das",
+		"code":"161",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"View Management",
+		"title":"View Management",
+		"githuburl":""
+	},
+	{
+		"uri":"das_16_0011.html",
+		"product_code":"das",
+		"code":"162",
+		"des":"At least one view has been created in the current keyspace.You can create views in the SQL window.",
+		"doc_type":"usermanual",
+		"kw":"Opening a View,View Management,User Guide",
+		"title":"Opening a View",
+		"githuburl":""
+	},
+	{
+		"uri":"das_16_0012.html",
+		"product_code":"das",
+		"code":"163",
+		"des":"At least one view has been created in the current keyspace.You can create views in the SQL window.",
+		"doc_type":"usermanual",
+		"kw":"Obtaining View Details,View Management,User Guide",
+		"title":"Obtaining View Details",
+		"githuburl":""
+	},
+	{
+		"uri":"das_16_0013.html",
+		"product_code":"das",
+		"code":"164",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Custom Type",
+		"title":"Custom Type",
+		"githuburl":""
+	},
+	{
+		"uri":"das_16_0014.html",
+		"product_code":"das",
+		"code":"165",
+		"des":"At least one user-defined type has been created in the current keyspace.If the basic types do not meet your requirements or are inconvenient for use, you can create a new",
+		"doc_type":"usermanual",
+		"kw":"Viewing Custom Type,Custom Type,User Guide",
+		"title":"Viewing Custom Type",
+		"githuburl":""
+	},
+	{
+		"uri":"das_16_0020.html",
+		"product_code":"das",
+		"code":"166",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Import and Export",
+		"title":"Import and Export",
+		"githuburl":""
+	},
+	{
+		"uri":"das_16_0021.html",
+		"product_code":"das",
+		"code":"167",
+		"des":"Import data into a table for backup or data migration. The table structure to be imported must be the same as that of the target table. If you import a CSV or SQL file, t",
+		"doc_type":"usermanual",
+		"kw":"Data Import,Import and Export,User Guide",
+		"title":"Data Import",
+		"githuburl":""
+	},
+	{
+		"uri":"das_16_0022.html",
+		"product_code":"das",
+		"code":"168",
+		"des":"DAS supports pagination query to meet your requirements for querying large amounts of data. You can export all the data at a time when backing up or migrating data.Altern",
+		"doc_type":"usermanual",
+		"kw":"Data Export,Import and Export,User Guide",
+		"title":"Data Export",
+		"githuburl":""
+	},
+	{
+		"uri":"das_16_0015.html",
+		"product_code":"das",
+		"code":"169",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"SQL Operations",
+		"title":"SQL Operations",
+		"githuburl":""
+	},
+	{
+		"uri":"das_16_0016.html",
+		"product_code":"das",
+		"code":"170",
+		"des":"Execute SQL: executes SQL statements.Format SQL: improves the readability of SQL statements. Formatting SQL statements enables statements to be displayed in line break mo",
+		"doc_type":"usermanual",
+		"kw":"SQL Window,SQL Operations,User Guide",
+		"title":"SQL Window",
+		"githuburl":""
+	},
+	{
+		"uri":"das_16_0017.html",
+		"product_code":"das",
+		"code":"171",
+		"des":"To go to the Keyspace Management page, click a keyspace name.To copy and use your required SQL statements, click the SQL statement in the SQL Statement column.To directly",
+		"doc_type":"usermanual",
+		"kw":"SQL History,SQL Operations,User Guide",
+		"title":"SQL History",
+		"githuburl":""
+	},
+	{
+		"uri":"das_16_0018.html",
+		"product_code":"das",
+		"code":"172",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Other Operations",
+		"title":"Other Operations",
+		"githuburl":""
+	},
+	{
+		"uri":"das_16_0019.html",
+		"product_code":"das",
+		"code":"173",
+		"des":"On the Basic Information tab, enter a role name (mandatory), set a password, and confirm the password. You can select a role name from role members to assign the permissi",
+		"doc_type":"usermanual",
+		"kw":"Role Management,Other Operations,User Guide",
+		"title":"Role Management",
+		"githuburl":""
+	},
+	{
+		"uri":"das_16_0023.html",
+		"product_code":"das",
+		"code":"174",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"GaussDB (for openGauss) DB Instance Management (Development Tool)",
+		"title":"GaussDB (for openGauss) DB Instance Management (Development Tool)",
+		"githuburl":""
+	},
+	{
+		"uri":"das_16_0024.html",
+		"product_code":"das",
+		"code":"175",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Homepage",
+		"title":"Homepage",
+		"githuburl":""
+	},
+	{
+		"uri":"das_16_0025.html",
+		"product_code":"das",
+		"code":"176",
+		"des":"For more login information, see Logging In to a Database.",
+		"doc_type":"usermanual",
+		"kw":"Overview,Homepage,User Guide",
+		"title":"Overview",
+		"githuburl":""
+	},
+	{
+		"uri":"das_16_0026.html",
+		"product_code":"das",
+		"code":"177",
+		"des":"You can execute the following SQL statement to query system table pg_collation and view character sets and their corresponding collations and collation types:select pg_en",
+		"doc_type":"usermanual",
+		"kw":"Creating a Database,Homepage,User Guide",
+		"title":"Creating a Database",
+		"githuburl":""
+	},
+	{
+		"uri":"das_16_0027.html",
+		"product_code":"das",
+		"code":"178",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Deleting a Database,Homepage,User Guide",
+		"title":"Deleting a Database",
+		"githuburl":""
+	},
+	{
+		"uri":"das_19_0015.html",
+		"product_code":"das",
+		"code":"179",
+		"des":"After a database is created, you need to create a schema because database operations cannot be performed in system schemas. Create a new schema and execute SQL statements",
+		"doc_type":"usermanual",
+		"kw":"Creating a Schema,Homepage,User Guide",
+		"title":"Creating a Schema",
+		"githuburl":""
+	},
+	{
+		"uri":"das_20_0031.html",
+		"product_code":"das",
+		"code":"180",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Opening a Schema,Homepage,User Guide",
+		"title":"Opening a Schema",
+		"githuburl":""
+	},
+	{
+		"uri":"das_20_0032.html",
+		"product_code":"das",
+		"code":"181",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Dropping a Schema,Homepage,User Guide",
+		"title":"Dropping a Schema",
+		"githuburl":""
+	},
+	{
+		"uri":"das_16_0028.html",
+		"product_code":"das",
+		"code":"182",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"SQL Operations",
+		"title":"SQL Operations",
+		"githuburl":""
+	},
+	{
+		"uri":"das_16_0029.html",
+		"product_code":"das",
+		"code":"183",
+		"des":"After a database is created, you need to create a schema before performing any SQL operations.Execute SQL: executes SQL statements.Execute SQL Plan: reports the execution",
+		"doc_type":"usermanual",
+		"kw":"SQL Window,SQL Operations,User Guide",
+		"title":"SQL Window",
+		"githuburl":""
+	},
+	{
+		"uri":"das_16_0030.html",
+		"product_code":"das",
+		"code":"184",
+		"des":"You are advised to enable SQL Input Prompt. It helps you to select your desired database, table, or field name as prompted to quickly enter statements in the SQL window.T",
+		"doc_type":"usermanual",
+		"kw":"Executing SQL Statements,SQL Operations,User Guide",
+		"title":"Executing SQL Statements",
+		"githuburl":""
+	},
+	{
+		"uri":"das_16_0031.html",
+		"product_code":"das",
+		"code":"185",
+		"des":"This section describes how to analyze the execution efficiency of the current SQL statement.On the Executed SQL Statements tab page, view the historical SQL executions.On",
+		"doc_type":"usermanual",
+		"kw":"Executing SQL Plan,SQL Operations,User Guide",
+		"title":"Executing SQL Plan",
+		"githuburl":""
+	},
+	{
+		"uri":"das_16_0032.html",
+		"product_code":"das",
+		"code":"186",
+		"des":"DAS allows you to add frequently used SQL statements and view and manage SQL statements.Add SQL Statement: allows you to add your desired SQL statements. Specifically, sp",
+		"doc_type":"usermanual",
+		"kw":"SQL Favorites,SQL Operations,User Guide",
+		"title":"SQL Favorites",
+		"githuburl":""
+	},
+	{
+		"uri":"das_16_0033.html",
+		"product_code":"das",
+		"code":"187",
+		"des":"To access the Database Management page, click a database name.To copy and use your required SQL statements, click the SQL statement in the SQL Statement column.To directl",
+		"doc_type":"usermanual",
+		"kw":"SQL History,SQL Operations,User Guide",
+		"title":"SQL History",
+		"githuburl":""
+	},
+	{
+		"uri":"das_16_0034.html",
+		"product_code":"das",
+		"code":"188",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Database Management",
+		"title":"Database Management",
+		"githuburl":""
+	},
+	{
+		"uri":"das_16_0035.html",
+		"product_code":"das",
+		"code":"189",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Table Management",
+		"title":"Table Management",
+		"githuburl":""
+	},
+	{
+		"uri":"das_16_0036.html",
+		"product_code":"das",
+		"code":"190",
+		"des":"Tables in GaussDB(for openGauss) databases cannot be edited because the tables do not have primary keys.",
+		"doc_type":"usermanual",
+		"kw":"Opening a Table,Table Management,User Guide",
+		"title":"Opening a Table",
+		"githuburl":""
+	},
+	{
+		"uri":"das_16_0037.html",
+		"product_code":"das",
+		"code":"191",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Viewing Table Details,Table Management,User Guide",
+		"title":"Viewing Table Details",
+		"githuburl":""
+	},
+	{
+		"uri":"das_16_0038.html",
+		"product_code":"das",
+		"code":"192",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"View Management",
+		"title":"View Management",
+		"githuburl":""
+	},
+	{
+		"uri":"das_16_0039.html",
+		"product_code":"das",
+		"code":"193",
+		"des":"Views in GaussDB(for openGauss) databases cannot be edited because the views do not have primary keys.",
+		"doc_type":"usermanual",
+		"kw":"Opening a View,View Management,User Guide",
+		"title":"Opening a View",
+		"githuburl":""
+	},
+	{
+		"uri":"das_16_0040.html",
+		"product_code":"das",
+		"code":"194",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Obtaining View Details,View Management,User Guide",
+		"title":"Obtaining View Details",
+		"githuburl":""
+	},
+	{
+		"uri":"das_16_0041.html",
+		"product_code":"das",
+		"code":"195",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Stored Procedure Management",
+		"title":"Stored Procedure Management",
+		"githuburl":""
+	},
+	{
+		"uri":"das_13_0060.html",
+		"product_code":"das",
+		"code":"196",
+		"des":"A stored procedure consists of a set of SQL statements that can complete specific tasks or process complex services. This section describes how to create a stored procedu",
+		"doc_type":"usermanual",
+		"kw":"Creating a Stored Procedure,Stored Procedure Management,User Guide",
+		"title":"Creating a Stored Procedure",
+		"githuburl":""
+	},
+	{
+		"uri":"das_16_0052.html",
+		"product_code":"das",
+		"code":"197",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Altering or Executing a Stored Procedure,Stored Procedure Management,User Guide",
+		"title":"Altering or Executing a Stored Procedure",
+		"githuburl":""
+	},
+	{
+		"uri":"das_16_0042.html",
+		"product_code":"das",
+		"code":"198",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Viewing Stored Procedure Details,Stored Procedure Management,User Guide",
+		"title":"Viewing Stored Procedure Details",
+		"githuburl":""
+	},
+	{
+		"uri":"das_16_0053.html",
+		"product_code":"das",
+		"code":"199",
+		"des":"Dropped stored procedures cannot be recovered. Exercise caution when performing this operation.",
+		"doc_type":"usermanual",
+		"kw":"Dropping a Stored Procedure,Stored Procedure Management,User Guide",
+		"title":"Dropping a Stored Procedure",
+		"githuburl":""
+	},
+	{
+		"uri":"das_16_0043.html",
+		"product_code":"das",
+		"code":"200",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Trigger Management",
+		"title":"Trigger Management",
+		"githuburl":""
+	},
+	{
+		"uri":"das_16_0044.html",
+		"product_code":"das",
+		"code":"201",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Viewing Trigger Details,Trigger Management,User Guide",
+		"title":"Viewing Trigger Details",
+		"githuburl":""
+	},
+	{
+		"uri":"das_16_0045.html",
+		"product_code":"das",
+		"code":"202",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Sequence Management",
+		"title":"Sequence Management",
+		"githuburl":""
+	},
+	{
+		"uri":"das_16_0046.html",
+		"product_code":"das",
+		"code":"203",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Viewing Sequence Details,Sequence Management,User Guide",
+		"title":"Viewing Sequence Details",
+		"githuburl":""
+	},
+	{
+		"uri":"das_16_0047.html",
+		"product_code":"das",
+		"code":"204",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Import and Export",
+		"title":"Import and Export",
+		"githuburl":""
+	},
+	{
+		"uri":"das_16_0048.html",
+		"product_code":"das",
+		"code":"205",
+		"des":"Import data into a table for backup or data migration. The table structure to be imported must be the same as that of the target table. If you import a CSV or SQL file, t",
+		"doc_type":"usermanual",
+		"kw":"Data Import,Import and Export,User Guide",
+		"title":"Data Import",
+		"githuburl":""
+	},
+	{
+		"uri":"das_16_0049.html",
+		"product_code":"das",
+		"code":"206",
+		"des":"DAS supports pagination query to meet your requirements for querying large amounts of data. You can export all the data at a time when backing up or migrating data.Altern",
+		"doc_type":"usermanual",
+		"kw":"Data Export,Import and Export,User Guide",
+		"title":"Data Export",
+		"githuburl":""
+	},
+	{
+		"uri":"das_16_0050.html",
+		"product_code":"das",
+		"code":"207",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Account Management",
+		"title":"Account Management",
+		"githuburl":""
+	},
+	{
+		"uri":"das_16_0051.html",
+		"product_code":"das",
+		"code":"208",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Role Management,Account Management,User Guide",
+		"title":"Role Management",
+		"githuburl":""
+	},
+	{
+		"uri":"das_18_0097.html",
+		"product_code":"das",
+		"code":"209",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Intelligent O&M",
+		"title":"Intelligent O&M",
+		"githuburl":""
+	},
+	{
+		"uri":"das_04_0096.html",
+		"product_code":"das",
+		"code":"210",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"MySQL DB Instances",
+		"title":"MySQL DB Instances",
+		"githuburl":""
+	},
+	{
+		"uri":"das_03_0025.html",
+		"product_code":"das",
+		"code":"211",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Function Overview,MySQL DB Instances,User Guide",
+		"title":"Function Overview",
+		"githuburl":""
+	},
+	{
+		"uri":"das_03_0026.html",
+		"product_code":"das",
+		"code":"212",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Performance",
+		"title":"Performance",
+		"githuburl":""
+	},
+	{
+		"uri":"das_03_0034.html",
+		"product_code":"das",
+		"code":"213",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Real-Time Diagnosis,Performance,User Guide",
+		"title":"Real-Time Diagnosis",
+		"githuburl":""
+	},
+	{
+		"uri":"das_03_0035.html",
+		"product_code":"das",
+		"code":"214",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Real-Time Performance,Performance,User Guide",
+		"title":"Real-Time Performance",
+		"githuburl":""
+	},
+	{
+		"uri":"das_03_0036.html",
+		"product_code":"das",
+		"code":"215",
+		"des":"Set a time range in the upper right corner so that you can view the DB instance performance during this period. You can also click Detail on each metric performance graph",
+		"doc_type":"usermanual",
+		"kw":"Performance History,Performance,User Guide",
+		"title":"Performance History",
+		"githuburl":""
+	},
+	{
+		"uri":"das_03_0037.html",
+		"product_code":"das",
+		"code":"216",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Performance Trends Comparisons,Performance,User Guide",
+		"title":"Performance Trends Comparisons",
+		"githuburl":""
+	},
+	{
+		"uri":"das_03_0038.html",
+		"product_code":"das",
+		"code":"217",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Custom Graphs,Performance,User Guide",
+		"title":"Custom Graphs",
+		"githuburl":""
+	},
+	{
+		"uri":"das_03_0027.html",
+		"product_code":"das",
+		"code":"218",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Sessions",
+		"title":"Sessions",
+		"githuburl":""
+	},
+	{
+		"uri":"das_03_0011.html",
+		"product_code":"das",
+		"code":"219",
+		"des":"On the Slow Sessions tab page, set the slow session threshold and click the refreshing button or enable Auto Refresh to filter out the SQL statements whose execution time",
+		"doc_type":"usermanual",
+		"kw":"Real-Time Sessions,Sessions,User Guide",
+		"title":"Real-Time Sessions",
+		"githuburl":""
+	},
+	{
+		"uri":"das_03_0016.html",
+		"product_code":"das",
+		"code":"220",
+		"des":"Emergency ChannelIf the maximum number of sessions for an instance has been reached and the instance cannot be logged in to, you can view and kill unnecessary sessions th",
+		"doc_type":"usermanual",
+		"kw":"Emergency Channel,Sessions,User Guide",
+		"title":"Emergency Channel",
+		"githuburl":""
+	},
+	{
+		"uri":"das_03_0028.html",
+		"product_code":"das",
+		"code":"221",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"SQL",
+		"title":"SQL",
+		"githuburl":""
+	},
+	{
+		"uri":"das_03_0017.html",
+		"product_code":"das",
+		"code":"222",
+		"des":"Query and view slow query logs by database name.Click Export Slow Query Log to export the slow query logs.Click Export History to view the export history of slow query lo",
+		"doc_type":"usermanual",
+		"kw":"Slow Query Logs,SQL,User Guide",
+		"title":"Slow Query Logs",
+		"githuburl":""
+	},
+	{
+		"uri":"das_03_0015.html",
+		"product_code":"das",
+		"code":"223",
+		"des":"Click Export to export SQL statement information. A maximum of 100,000 records can be exported.Click Export History to view the exported SQL statements.",
+		"doc_type":"usermanual",
+		"kw":"SQL Explorer,SQL,User Guide",
+		"title":"SQL Explorer",
+		"githuburl":""
+	},
+	{
+		"uri":"das_04_0100.html",
+		"product_code":"das",
+		"code":"224",
+		"des":"Only MySQL InnoDB is supported.Only the diagnosis of the SELECT, INSERT, UPDATE, and DELETE statements is supported. An INSERT statement must contain a SELECT clause.Quer",
+		"doc_type":"usermanual",
+		"kw":"SQL Diagnosis,SQL,User Guide",
+		"title":"SQL Diagnosis",
+		"githuburl":""
+	},
+	{
+		"uri":"das_03_0029.html",
+		"product_code":"das",
+		"code":"225",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Space",
+		"title":"Space",
+		"githuburl":""
+	},
+	{
+		"uri":"das_03_0039.html",
+		"product_code":"das",
+		"code":"226",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Instance Space,Space,User Guide",
+		"title":"Instance Space",
+		"githuburl":""
+	},
+	{
+		"uri":"das_03_0040.html",
+		"product_code":"das",
+		"code":"227",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Database Space,Space,User Guide",
+		"title":"Database Space",
+		"githuburl":""
+	},
+	{
+		"uri":"das_03_0030.html",
+		"product_code":"das",
+		"code":"228",
+		"des":"GaussDB(for MySQL) DB instances are currently not supported.",
+		"doc_type":"usermanual",
+		"kw":"Binlog,MySQL DB Instances,User Guide",
+		"title":"Binlog",
+		"githuburl":""
+	},
+	{
+		"uri":"das_03_0031.html",
+		"product_code":"das",
+		"code":"229",
+		"des":"GaussDB(for MySQL) DB instances are currently not supported.",
+		"doc_type":"usermanual",
+		"kw":"Parameters,MySQL DB Instances,User Guide",
+		"title":"Parameters",
+		"githuburl":""
+	},
+	{
+		"uri":"das_03_0032.html",
+		"product_code":"das",
+		"code":"230",
+		"des":"You can also click View History Report to view historical diagnosis reports.Click Download to the upper right corner of the Today's Report page to download the diagnosis ",
+		"doc_type":"usermanual",
+		"kw":"Daily Reports,MySQL DB Instances,User Guide",
+		"title":"Daily Reports",
+		"githuburl":""
+	},
+	{
+		"uri":"das_03_0041.html",
+		"product_code":"das",
+		"code":"231",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Locks and Transactions",
+		"title":"Locks and Transactions",
+		"githuburl":""
+	},
+	{
+		"uri":"das_03_0042.html",
+		"product_code":"das",
+		"code":"232",
+		"des":"With this function, the system displays the lock waits generated before the DML operations on the database in real time. With these waits, you can quickly locate the sess",
+		"doc_type":"usermanual",
+		"kw":"InnoDB Lock Query,Locks and Transactions,User Guide",
+		"title":"InnoDB Lock Query",
+		"githuburl":""
+	},
+	{
+		"uri":"das_03_0043.html",
+		"product_code":"das",
+		"code":"233",
+		"des":"Metadata locks (MDLs) are used to ensure consistency between DDL and DML operations. Usually, DDL operations require MDL write locks. Once a DML lock occurs, it can have ",
+		"doc_type":"usermanual",
+		"kw":"Metadata Locks,Locks and Transactions,User Guide",
+		"title":"Metadata Locks",
+		"githuburl":""
+	},
+	{
+		"uri":"das_03_0044.html",
+		"product_code":"das",
+		"code":"234",
+		"des":"This feature is used to analyze and discover big transactions and the transactions that are not committed for a long time in the database.GaussDB(for MySQL) DB instances ",
+		"doc_type":"usermanual",
+		"kw":"Historical Transactions,Locks and Transactions,User Guide",
+		"title":"Historical Transactions",
+		"githuburl":""
+	},
+	{
+		"uri":"das_05_0096.html",
+		"product_code":"das",
+		"code":"235",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"GaussDB(for MySQL) DB Instances",
+		"title":"GaussDB(for MySQL) DB Instances",
+		"githuburl":""
+	},
+	{
+		"uri":"das_05_0025.html",
+		"product_code":"das",
+		"code":"236",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Function Overview,GaussDB(for MySQL) DB Instances,User Guide",
+		"title":"Function Overview",
+		"githuburl":""
+	},
+	{
+		"uri":"das_05_0026.html",
+		"product_code":"das",
+		"code":"237",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Performance",
+		"title":"Performance",
+		"githuburl":""
+	},
+	{
+		"uri":"das_05_0034.html",
+		"product_code":"das",
+		"code":"238",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Real-Time Diagnosis,Performance,User Guide",
+		"title":"Real-Time Diagnosis",
+		"githuburl":""
+	},
+	{
+		"uri":"das_05_0035.html",
+		"product_code":"das",
+		"code":"239",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Real-Time Performance,Performance,User Guide",
+		"title":"Real-Time Performance",
+		"githuburl":""
+	},
+	{
+		"uri":"das_05_0036.html",
+		"product_code":"das",
+		"code":"240",
+		"des":"Set a time range in the upper right corner so that you can view the DB instance performance during this period. You can also click Detail on each metric performance graph",
+		"doc_type":"usermanual",
+		"kw":"Performance History,Performance,User Guide",
+		"title":"Performance History",
+		"githuburl":""
+	},
+	{
+		"uri":"das_05_0037.html",
+		"product_code":"das",
+		"code":"241",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Performance Trends Comparisons,Performance,User Guide",
+		"title":"Performance Trends Comparisons",
+		"githuburl":""
+	},
+	{
+		"uri":"das_05_0038.html",
+		"product_code":"das",
+		"code":"242",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Custom Graphs,Performance,User Guide",
+		"title":"Custom Graphs",
+		"githuburl":""
+	},
+	{
+		"uri":"das_05_0027.html",
+		"product_code":"das",
+		"code":"243",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Sessions",
+		"title":"Sessions",
+		"githuburl":""
+	},
+	{
+		"uri":"das_05_0011.html",
+		"product_code":"das",
+		"code":"244",
+		"des":"On the Slow Sessions tab page, set the slow session threshold to view the target sessions.",
+		"doc_type":"usermanual",
+		"kw":"Real-Time Sessions,Sessions,User Guide",
+		"title":"Real-Time Sessions",
+		"githuburl":""
+	},
+	{
+		"uri":"das_05_0016.html",
+		"product_code":"das",
+		"code":"245",
+		"des":"Emergency ChannelIf the maximum number of sessions for an instance has been reached and the instance cannot be logged in to, you can view and kill unnecessary sessions th",
+		"doc_type":"usermanual",
+		"kw":"Emergency Channel,Sessions,User Guide",
+		"title":"Emergency Channel",
+		"githuburl":""
+	},
+	{
+		"uri":"das_05_0028.html",
+		"product_code":"das",
+		"code":"246",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"SQL",
+		"title":"SQL",
+		"githuburl":""
+	},
+	{
+		"uri":"das_05_0017.html",
+		"product_code":"das",
+		"code":"247",
+		"des":"Query and view slow query logs by database name.Click Export to export the slow query logs.Click Export History to view the export history of slow query logs.",
+		"doc_type":"usermanual",
+		"kw":"Slow Query Logs,SQL,User Guide",
+		"title":"Slow Query Logs",
+		"githuburl":""
+	},
+	{
+		"uri":"das_05_0015.html",
+		"product_code":"das",
+		"code":"248",
+		"des":"A maximum of 10,000 SQL statements can be displayed. If you need to view more, click Export to export them. A maximum of 100,000 records can be exported.",
+		"doc_type":"usermanual",
+		"kw":"SQL Explorer,SQL,User Guide",
+		"title":"SQL Explorer",
+		"githuburl":""
+	},
+	{
+		"uri":"das_05_0100.html",
+		"product_code":"das",
+		"code":"249",
+		"des":"Only MySQL InnoDB is supported.Only the diagnosis of SELECT, INSERT, UPDATE, and DELETE statements is supported. An INSERT statement must contain a SELECT clause.SQL stat",
+		"doc_type":"usermanual",
+		"kw":"SQL Diagnosis,SQL,User Guide",
+		"title":"SQL Diagnosis",
+		"githuburl":""
+	},
+	{
+		"uri":"das_05_0029.html",
+		"product_code":"das",
+		"code":"250",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Space",
+		"title":"Space",
+		"githuburl":""
+	},
+	{
+		"uri":"das_05_0039.html",
+		"product_code":"das",
+		"code":"251",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Instance Space,Space,User Guide",
+		"title":"Instance Space",
+		"githuburl":""
+	},
+	{
+		"uri":"das_05_0040.html",
+		"product_code":"das",
+		"code":"252",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Database Space,Space,User Guide",
+		"title":"Database Space",
+		"githuburl":""
+	},
+	{
+		"uri":"das_05_0030.html",
+		"product_code":"das",
+		"code":"253",
+		"des":"GaussDB(for MySQL) DB instances are currently not supported.",
+		"doc_type":"usermanual",
+		"kw":"Binlog,GaussDB(for MySQL) DB Instances,User Guide",
+		"title":"Binlog",
+		"githuburl":""
+	},
+	{
+		"uri":"das_05_0031.html",
+		"product_code":"das",
+		"code":"254",
+		"des":"GaussDB(for MySQL) DB instances are currently not supported.",
+		"doc_type":"usermanual",
+		"kw":"Parameters,GaussDB(for MySQL) DB Instances,User Guide",
+		"title":"Parameters",
+		"githuburl":""
+	},
+	{
+		"uri":"das_05_0032.html",
+		"product_code":"das",
+		"code":"255",
+		"des":"You can also click View History Report to view historical diagnosis reports.Click Download to the upper right corner to download the diagnosis report to your local PC.Cli",
+		"doc_type":"usermanual",
+		"kw":"Daily Reports,GaussDB(for MySQL) DB Instances,User Guide",
+		"title":"Daily Reports",
+		"githuburl":""
+	},
+	{
+		"uri":"das_05_0041.html",
+		"product_code":"das",
+		"code":"256",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Locks and Transactions",
+		"title":"Locks and Transactions",
+		"githuburl":""
+	},
+	{
+		"uri":"das_05_0042.html",
+		"product_code":"das",
+		"code":"257",
+		"des":"With this function, the system displays the lock waits generated before the DML operations on the database in real time. With these waits, you can quickly locate the sess",
+		"doc_type":"usermanual",
+		"kw":"InnoDB Locks,Locks and Transactions,User Guide",
+		"title":"InnoDB Locks",
+		"githuburl":""
+	},
+	{
+		"uri":"das_05_0043.html",
+		"product_code":"das",
+		"code":"258",
+		"des":"Metadata locks (MDLs) are used to ensure consistency between DDL and DML operations. Usually, DDL operations require MDL write locks. Once a DML lock occurs, it can have ",
+		"doc_type":"usermanual",
+		"kw":"Metadata Locks,Locks and Transactions,User Guide",
+		"title":"Metadata Locks",
+		"githuburl":""
+	},
+	{
+		"uri":"das_05_0044.html",
+		"product_code":"das",
+		"code":"259",
+		"des":"This feature is used to analyze and discover big transactions and the transactions that are not committed for a long time in the database.GaussDB(for MySQL) DB instances ",
+		"doc_type":"usermanual",
+		"kw":"Historical Transactions,Locks and Transactions,User Guide",
+		"title":"Historical Transactions",
+		"githuburl":""
+	},
+	{
+		"uri":"das_18_0096.html",
+		"product_code":"das",
+		"code":"260",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"GaussDB(for openGauss) DB Instances",
+		"title":"GaussDB(for openGauss) DB Instances",
+		"githuburl":""
+	},
+	{
+		"uri":"das_18_0025.html",
+		"product_code":"das",
+		"code":"261",
+		"des":"MySQL DB instances include RDS for MySQL and GaussDB(for MySQL) DB instances.",
+		"doc_type":"usermanual",
+		"kw":"Function Overview,GaussDB(for openGauss) DB Instances,User Guide",
+		"title":"Function Overview",
+		"githuburl":""
+	},
+	{
+		"uri":"das_18_0026.html",
+		"product_code":"das",
+		"code":"262",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Performance",
+		"title":"Performance",
+		"githuburl":""
+	},
+	{
+		"uri":"das_18_0035.html",
+		"product_code":"das",
+		"code":"263",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Instance Performance,Performance,User Guide",
+		"title":"Instance Performance",
+		"githuburl":""
+	},
+	{
+		"uri":"das_18_0034.html",
+		"product_code":"das",
+		"code":"264",
+		"des":"Intelligent O&M allows you to view the performance of multiple metrics on a single instance so that you can compare the metric performance.",
+		"doc_type":"usermanual",
+		"kw":"Single Node with Multiple Metrics,Performance,User Guide",
+		"title":"Single Node with Multiple Metrics",
+		"githuburl":""
+	},
+	{
+		"uri":"das_18_0038.html",
+		"product_code":"das",
+		"code":"265",
+		"des":"Intelligent O&M allows you to view the performance of the same metric on multiple instances so that you can compare the metric performance.",
+		"doc_type":"usermanual",
+		"kw":"Multiple Nodes with Single Metric,Performance,User Guide",
+		"title":"Multiple Nodes with Single Metric",
+		"githuburl":""
+	},
+	{
+		"uri":"das_18_0027.html",
+		"product_code":"das",
+		"code":"266",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Sessions",
+		"title":"Sessions",
+		"githuburl":""
+	},
+	{
+		"uri":"das_18_0011.html",
+		"product_code":"das",
+		"code":"267",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Real-Time sessions,Sessions,User Guide",
+		"title":"Real-Time sessions",
+		"githuburl":""
+	},
+	{
+		"uri":"das_10_0001.html",
+		"product_code":"das",
+		"code":"268",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"FAQs",
+		"title":"FAQs",
+		"githuburl":""
+	},
+	{
+		"uri":"das_10_0016.html",
+		"product_code":"das",
+		"code":"269",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Product Consulting",
+		"title":"Product Consulting",
+		"githuburl":""
+	},
+	{
+		"uri":"das_10_0039.html",
+		"product_code":"das",
+		"code":"270",
+		"des":"SQL execution records will be saved on the management hosts of the DAS service.",
+		"doc_type":"usermanual",
+		"kw":"Where Is SQL Execution Records Saved If I Enable This Function?,Product Consulting,User Guide",
+		"title":"Where Is SQL Execution Records Saved If I Enable This Function?",
+		"githuburl":""
+	},
+	{
+		"uri":"das_10_0020.html",
+		"product_code":"das",
+		"code":"271",
+		"des":"Enter postgres.",
+		"doc_type":"usermanual",
+		"kw":"What Should I Enter in the Database Column to Log In to a PostgreSQL DB Instance on the DAS Console?",
+		"title":"What Should I Enter in the Database Column to Log In to a PostgreSQL DB Instance on the DAS Console?",
+		"githuburl":""
+	},
+	{
+		"uri":"das_10_0040.html",
+		"product_code":"das",
+		"code":"272",
+		"des":"Currently, these functions are free of charge.",
+		"doc_type":"usermanual",
+		"kw":"Will I Be Changed If I Enable Collect Metadata Periodically and Show Executed SQL Statements on the ",
+		"title":"Will I Be Changed If I Enable Collect Metadata Periodically and Show Executed SQL Statements on the Add Login Page?",
+		"githuburl":""
+	},
+	{
+		"uri":"das_20_0033.html",
+		"product_code":"das",
+		"code":"273",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Connection Management (Development Tool)",
+		"title":"Connection Management (Development Tool)",
+		"githuburl":""
+	},
+	{
+		"uri":"das_20_0007.html",
+		"product_code":"das",
+		"code":"274",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"MySQL",
+		"title":"MySQL",
+		"githuburl":""
+	},
+	{
+		"uri":"das_20_0100.html",
+		"product_code":"das",
+		"code":"275",
+		"des":"Error message: Access denied for user 'user_name'@'100.xxx.xx.xx' (using password: YES)Error cause: The username or password of the RDS DB instance is incorrect.Solution:",
+		"doc_type":"usermanual",
+		"kw":"RDS DB Instances,MySQL,User Guide",
+		"title":"RDS DB Instances",
+		"githuburl":""
+	},
+	{
+		"uri":"das_20_0101.html",
+		"product_code":"das",
+		"code":"276",
+		"des":"Error message: Access denied for user 'user_name'@'100.xxx.xx.xx' (using password: YES)Error cause: The username or password of the self-built database on the ECS is inco",
+		"doc_type":"usermanual",
+		"kw":"Self-Built Databases on ECSs,MySQL,User Guide",
+		"title":"Self-Built Databases on ECSs",
+		"githuburl":""
+	},
+	{
+		"uri":"das_20_0056.html",
+		"product_code":"das",
+		"code":"277",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Microsoft SQL Server",
+		"title":"Microsoft SQL Server",
+		"githuburl":""
+	},
+	{
+		"uri":"das_20_0050.html",
+		"product_code":"das",
+		"code":"278",
+		"des":"1. Error message: Login failed for user 'rdsuser'. ClientConnectionId:xxx.Error cause: The username or password of the RDS DB instance is incorrect.Solution: Ensure that ",
+		"doc_type":"usermanual",
+		"kw":"RDS DB Instances,Microsoft SQL Server,User Guide",
+		"title":"RDS DB Instances",
+		"githuburl":""
+	},
+	{
+		"uri":"das_20_0051.html",
+		"product_code":"das",
+		"code":"279",
+		"des":"1. Error message: The TCP/IP connection to the host 100.xxx.xx.xx, port xxx has failed.Error cause: The port number of the self-built database is incorrect, or the networ",
+		"doc_type":"usermanual",
+		"kw":"Self-Built Databases on ECSs,Microsoft SQL Server,User Guide",
+		"title":"Self-Built Databases on ECSs",
+		"githuburl":""
+	},
+	{
+		"uri":"das_20_0034.html",
+		"product_code":"das",
+		"code":"280",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"PostgreSQL",
+		"title":"PostgreSQL",
+		"githuburl":""
+	},
+	{
+		"uri":"das_20_0099.html",
+		"product_code":"das",
+		"code":"281",
+		"des":"1. Error message: FATAL: Invalid username/password,login denied.Error cause: The username or password of the RDS DB instance is incorrect.Solution: Check whether the user",
+		"doc_type":"usermanual",
+		"kw":"RDS DB Instances,PostgreSQL,User Guide",
+		"title":"RDS DB Instances",
+		"githuburl":""
+	},
+	{
+		"uri":"das_20_0098.html",
+		"product_code":"das",
+		"code":"282",
+		"des":"1. Error message: Connection refused (Connection refused).Error cause: The port number of the self-built database is incorrect, or the network is disconnected.Solution: E",
+		"doc_type":"usermanual",
+		"kw":"Self-Built Databases on ECSs,PostgreSQL,User Guide",
+		"title":"Self-Built Databases on ECSs",
+		"githuburl":""
+	},
+	{
+		"uri":"das_20_0035.html",
+		"product_code":"das",
+		"code":"283",
+		"des":"Error message: Command failed with error 18 (AuthenticationFailed): 'Authentication failed.' on server xxx.xxx.xx.xx:xxxx. The full response is { 'ok' : 0.0, 'errmsg' : \"",
+		"doc_type":"usermanual",
+		"kw":"DDS,Connection Management (Development Tool),User Guide",
+		"title":"DDS",
+		"githuburl":""
+	},
+	{
+		"uri":"das_20_0036.html",
+		"product_code":"das",
+		"code":"284",
+		"des":"Error message: Access denied for user 'user_name'@'100.xxx.xx.xx' (using password: YES).Error cause: The username or password of the GaussDB(for MySQL) DB instance is inc",
+		"doc_type":"usermanual",
+		"kw":"GaussDB(for MySQL),Connection Management (Development Tool),User Guide",
+		"title":"GaussDB(for MySQL)",
+		"githuburl":""
+	},
+	{
+		"uri":"das_20_0037.html",
+		"product_code":"das",
+		"code":"285",
+		"des":"1. Error message: FATAL: Invalid username/password,login denied.Error cause: The username or password of the GaussDB(for openGauss) DB instance is incorrect.Check whether",
+		"doc_type":"usermanual",
+		"kw":"GaussDB(for openGauss),Connection Management (Development Tool),User Guide",
+		"title":"GaussDB(for openGauss)",
+		"githuburl":""
+	},
+	{
+		"uri":"das_20_0038.html",
+		"product_code":"das",
+		"code":"286",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Reference",
+		"title":"Reference",
+		"githuburl":""
+	},
+	{
+		"uri":"das_20_0028.html",
+		"product_code":"das",
+		"code":"287",
+		"des":"Recommended configuration: Select TCP for Protocol & Port, enter the port number of the self-built database, and set the source to 100.0.0.0/8 or 0.0.0.0/0.Recommended co",
+		"doc_type":"usermanual",
+		"kw":"Modifying ECS Security Group Rules,Reference,User Guide",
+		"title":"Modifying ECS Security Group Rules",
+		"githuburl":""
+	},
+	{
+		"uri":"das_20_0029.html",
+		"product_code":"das",
+		"code":"288",
+		"des":"The port next to --dport indicates the port that can be accessed.Perform the following operations to ensure that the port can be accessed:Add an iptables rule to allow ac",
+		"doc_type":"usermanual",
+		"kw":"Modifying Firewall Rules,Reference,User Guide",
+		"title":"Modifying Firewall Rules",
+		"githuburl":""
+	},
+	{
+		"uri":"das_10_0017.html",
+		"product_code":"das",
+		"code":"289",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Usage",
+		"title":"Usage",
+		"githuburl":""
+	},
+	{
+		"uri":"das_10_0013.html",
+		"product_code":"das",
+		"code":"290",
+		"des":"CSV files exported from DAS are encoded in UTF-8, whereas Excel files are encoded in ANSI. Encoding inconsistency resulted in garbled characters.You are advised to open t",
+		"doc_type":"usermanual",
+		"kw":"What Can I Do If Garbled Characters Are Displayed in the Exported Database Result Set?,Usage,User Gu",
+		"title":"What Can I Do If Garbled Characters Are Displayed in the Exported Database Result Set?",
+		"githuburl":""
+	},
+	{
+		"uri":"das_10_0029.html",
+		"product_code":"das",
+		"code":"291",
+		"des":"After operations are performed on a third-party client, refresh the DAS console to view the generated data.",
+		"doc_type":"usermanual",
+		"kw":"What Are the Precautions for Connecting DAS to a Third-Party Client?,Usage,User Guide",
+		"title":"What Are the Precautions for Connecting DAS to a Third-Party Client?",
+		"githuburl":""
+	},
+	{
+		"uri":"das_10_0004.html",
+		"product_code":"das",
+		"code":"292",
+		"des":"The username and password for adding a login are those used for creating the DB instance.",
+		"doc_type":"usermanual",
+		"kw":"What Are the Username and Password for DAS?,Usage,User Guide",
+		"title":"What Are the Username and Password for DAS?",
+		"githuburl":""
+	},
+	{
+		"uri":"das_10_0019.html",
+		"product_code":"das",
+		"code":"293",
+		"des":"The possible cause is that the instance load is heavy. As a result, the table data collection on DAS times out. You are advised to kill a thread and perform the operation",
+		"doc_type":"usermanual",
+		"kw":"What Should I Do If Table Obtaining Times Out?,Usage,User Guide",
+		"title":"What Should I Do If Table Obtaining Times Out?",
+		"githuburl":""
+	},
+	{
+		"uri":"das_10_0022.html",
+		"product_code":"das",
+		"code":"294",
+		"des":"DAS does not support the SQL Server modification on the GUI. You can run commands to implement the modification.Go to the SQL Window page of the database and run the foll",
+		"doc_type":"usermanual",
+		"kw":"How Do I Modify the Collation?,Usage,User Guide",
+		"title":"How Do I Modify the Collation?",
+		"githuburl":""
+	},
+	{
+		"uri":"das_17_0041.html",
+		"product_code":"das",
+		"code":"295",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Product Consulting",
+		"title":"Product Consulting",
+		"githuburl":""
+	},
+	{
+		"uri":"das_10_0031.html",
+		"product_code":"das",
+		"code":"296",
+		"des":"This mechanism is used to prevent excessive permissions that may so that data security can be ensured.",
+		"doc_type":"usermanual",
+		"kw":"Why Can't I Have Three Types of Permissions at the Same Time in an Approval Process?,Product Consult",
+		"title":"Why Can't I Have Three Types of Permissions at the Same Time in an Approval Process?",
+		"githuburl":""
+	},
+	{
+		"uri":"das_10_0032.html",
+		"product_code":"das",
+		"code":"297",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"How Are the SQL Statements Classified?,Product Consulting,User Guide",
+		"title":"How Are the SQL Statements Classified?",
+		"githuburl":""
+	},
+	{
+		"uri":"das_10_0033.html",
+		"product_code":"das",
+		"code":"298",
+		"des":"The following can be configured for both instances and databases:DBA and ownerSecurity control items (single query of rows returned in the SQL window and whether DDL and ",
+		"doc_type":"usermanual",
+		"kw":"What Are the Differences Between Instance and Database Settings?,Product Consulting,User Guide",
+		"title":"What Are the Differences Between Instance and Database Settings?",
+		"githuburl":""
+	},
+	{
+		"uri":"das_10_0038.html",
+		"product_code":"das",
+		"code":"299",
+		"des":"A global OBS bucket is used to store data backup and data export files generated by all the data change and export service tickets.",
+		"doc_type":"usermanual",
+		"kw":"What Can a Global OBS Bucket Do?,Product Consulting,User Guide",
+		"title":"What Can a Global OBS Bucket Do?",
+		"githuburl":""
+	},
+	{
+		"uri":"das_17_0042.html",
+		"product_code":"das",
+		"code":"300",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Usage",
+		"title":"Usage",
+		"githuburl":""
+	},
+	{
+		"uri":"das_10_0030.html",
+		"product_code":"das",
+		"code":"301",
+		"des":"On the management console, choose Service List > Management & Governance > Identity and Access Management. On the displayed page, select Permissions and click Create Cust",
+		"doc_type":"usermanual",
+		"kw":"How Do I Grant Only the Permission to Use DAS to an IAM User?,Usage,User Guide",
+		"title":"How Do I Grant Only the Permission to Use DAS to an IAM User?",
+		"githuburl":""
+	},
+	{
+		"uri":"das_10_0034.html",
+		"product_code":"das",
+		"code":"302",
+		"des":"To set DBAs or owners, access an enterprise on the Enterprise Edition. Then choose System Management > Instance Management. On the displayed page, locate the target insta",
+		"doc_type":"usermanual",
+		"kw":"How Do I Modify Permission, Security, and Approval Process Settings of Synchronized Databases in Bat",
+		"title":"How Do I Modify Permission, Security, and Approval Process Settings of Synchronized Databases in Batches?",
+		"githuburl":""
+	},
+	{
+		"uri":"das_10_0037.html",
+		"product_code":"das",
+		"code":"303",
+		"des":"Right-click on the tab page name and click Refresh",
+		"doc_type":"usermanual",
+		"kw":"How Do I Refresh Only a Tab Page Instead of the Entire Browser Page?,Usage,User Guide",
+		"title":"How Do I Refresh Only a Tab Page Instead of the Entire Browser Page?",
+		"githuburl":""
+	},
+	{
+		"uri":"das_change_history_0004.html",
+		"product_code":"das",
+		"code":"304",
+		"des":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"doc_type":"usermanual",
+		"kw":"Change History,User Guide",
+		"title":"Change History",
+		"githuburl":""
+	}
+]
\ No newline at end of file
diff --git a/docs/das/umn/CLASS.TXT.json b/docs/das/umn/CLASS.TXT.json
new file mode 100644
index 00000000..0ce459a9
--- /dev/null
+++ b/docs/das/umn/CLASS.TXT.json
@@ -0,0 +1,2738 @@
+[
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Service Overview",
+		"uri":"das_01_0001.html",
+		"doc_type":"usermanual",
+		"p_code":"",
+		"code":"1"
+	},
+	{
+		"desc":"Data Admin Service (DAS) is a one-stop cloud database management platform that allows you to manage databases on a web console. It offers database development, O&M, intel",
+		"product_code":"das",
+		"title":"What Is Data Admin Service?",
+		"uri":"das_01_0002.html",
+		"doc_type":"usermanual",
+		"p_code":"1",
+		"code":"2"
+	},
+	{
+		"desc":"An IP address, which is used for the DAS service to connect to databases.DAS periodically collects the metadata of DB instance databases, tables, and fields and stores th",
+		"product_code":"das",
+		"title":"Basic Concepts",
+		"uri":"das_01_0005.html",
+		"doc_type":"usermanual",
+		"p_code":"1",
+		"code":"3"
+	},
+	{
+		"desc":"DAS supports different types of DB instances, such as GaussDB(for openGauss), GaussDB(for MySQL), and GaussDB(for Cassandra). It provides visual GUI operations, making yo",
+		"product_code":"das",
+		"title":"Advantages",
+		"uri":"das_01_0008.html",
+		"doc_type":"usermanual",
+		"p_code":"1",
+		"code":"4"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Getting Started",
+		"uri":"das_02_0000.html",
+		"doc_type":"usermanual",
+		"p_code":"",
+		"code":"5"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Intelligent O&M",
+		"uri":"das_02_0002.html",
+		"doc_type":"usermanual",
+		"p_code":"5",
+		"code":"6"
+	},
+	{
+		"desc":"This section describes how to monitor DB instances using Intelligent O&M.Perform the following operations to monitor databases with Intelligent O&M.Step 1: Log In to DASS",
+		"product_code":"das",
+		"title":"Overview",
+		"uri":"das_02_0003.html",
+		"doc_type":"usermanual",
+		"p_code":"6",
+		"code":"7"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Step 1: Log In to DAS",
+		"uri":"das_02_0004.html",
+		"doc_type":"usermanual",
+		"p_code":"6",
+		"code":"8"
+	},
+	{
+		"desc":"Instance synchronization is an asynchronous process, which takes several minutes.This section uses SQL Explorer as an example. For details about how to use each metric, s",
+		"product_code":"das",
+		"title":"Step 2: Switch to Intelligent O&M",
+		"uri":"das_02_0005.html",
+		"doc_type":"usermanual",
+		"p_code":"6",
+		"code":"9"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Data Management",
+		"uri":"das_02_0006.html",
+		"doc_type":"usermanual",
+		"p_code":"5",
+		"code":"10"
+	},
+	{
+		"desc":"This section describes how to manage data on the Database Management page.Perform the following operations to manage data on the Database Management page:Step 1: Log In t",
+		"product_code":"das",
+		"title":"Overview",
+		"uri":"das_02_0007.html",
+		"doc_type":"usermanual",
+		"p_code":"10",
+		"code":"11"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Step 1: Log In to DAS",
+		"uri":"das_02_0011.html",
+		"doc_type":"usermanual",
+		"p_code":"10",
+		"code":"12"
+	},
+	{
+		"desc":"With DAS, you can create logins to manage databases using a GUI.This section uses an RDS DB instance as an example to describe how to add a database login.The username an",
+		"product_code":"das",
+		"title":"Step 2: Add Database Login Information",
+		"uri":"das_02_0012.html",
+		"doc_type":"usermanual",
+		"p_code":"10",
+		"code":"13"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Step 3: Log In to a Database",
+		"uri":"das_02_0008.html",
+		"doc_type":"usermanual",
+		"p_code":"10",
+		"code":"14"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Step 4: Manage Data",
+		"uri":"das_02_0009.html",
+		"doc_type":"usermanual",
+		"p_code":"10",
+		"code":"15"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"User Guide",
+		"uri":"das_20_0011.html",
+		"doc_type":"usermanual",
+		"p_code":"",
+		"code":"16"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Logging In to the DAS Console",
+		"uri":"das_03_0007.html",
+		"doc_type":"usermanual",
+		"p_code":"16",
+		"code":"17"
+	},
+	{
+		"desc":"This section describes how to add database login information so that you can log in to a database for visualized data management operations.If you have not logged in to a",
+		"product_code":"das",
+		"title":"Adding Login Information",
+		"uri":"das_03_0002.html",
+		"doc_type":"usermanual",
+		"p_code":"16",
+		"code":"18"
+	},
+	{
+		"desc":"On the DAS console, log in to a DB instance for database operations and management.Select an instance type to display your desired DB instances. RDS DB instances are used",
+		"product_code":"das",
+		"title":"Logging In to a Database",
+		"uri":"das_03_0003.html",
+		"doc_type":"usermanual",
+		"p_code":"16",
+		"code":"19"
+	},
+	{
+		"desc":"DAS allows you to modify login information, such as username and password. You can also choose whether to remember password, or enable or disable periodic metadata collec",
+		"product_code":"das",
+		"title":"Modifying Login Information",
+		"uri":"das_03_0004.html",
+		"doc_type":"usermanual",
+		"p_code":"16",
+		"code":"20"
+	},
+	{
+		"desc":"Delete the login information you no longer need.A login represents an entry for managing databases. Deleted logins have no impact on your database performance but cannot ",
+		"product_code":"das",
+		"title":"Deleting Login Information",
+		"uri":"das_03_0005.html",
+		"doc_type":"usermanual",
+		"p_code":"16",
+		"code":"21"
+	},
+	{
+		"desc":"You have a database instance and want to share it with another account or another user of the same account, but you do not want this other account or user to know the pas",
+		"product_code":"das",
+		"title":"Logging In to Databases Shared by Others",
+		"uri":"das_03_0100.html",
+		"doc_type":"usermanual",
+		"p_code":"16",
+		"code":"22"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"MySQL DB Instance Management (Development Tool)",
+		"uri":"das_04_0001.html",
+		"doc_type":"usermanual",
+		"p_code":"16",
+		"code":"23"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Homepage",
+		"uri":"das_04_0031.html",
+		"doc_type":"usermanual",
+		"p_code":"23",
+		"code":"24"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Overview",
+		"uri":"das_08_0014.html",
+		"doc_type":"usermanual",
+		"p_code":"24",
+		"code":"25"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Creating a Database",
+		"uri":"das_03_0090.html",
+		"doc_type":"usermanual",
+		"p_code":"24",
+		"code":"26"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Dropping a Database",
+		"uri":"das_08_0011.html",
+		"doc_type":"usermanual",
+		"p_code":"24",
+		"code":"27"
+	},
+	{
+		"desc":"The current database contains tables.",
+		"product_code":"das",
+		"title":"Data Dictionary",
+		"uri":"das_08_0016.html",
+		"doc_type":"usermanual",
+		"p_code":"24",
+		"code":"28"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"SQL Operations",
+		"uri":"das_04_0045.html",
+		"doc_type":"usermanual",
+		"p_code":"23",
+		"code":"29"
+	},
+	{
+		"desc":"Execute SQL: executes SQL statements.Tune SQL: queries the SQL statements that are executed frequently, consume a large amount of resources, or take a long time to execut",
+		"product_code":"das",
+		"title":"SQL Window",
+		"uri":"das_04_0046.html",
+		"doc_type":"usermanual",
+		"p_code":"29",
+		"code":"30"
+	},
+	{
+		"desc":"Enabling SQL Input Prompt is recommended. It helps you to select your desired database, table, or field name as prompted to quickly enter statements in the SQL window.To ",
+		"product_code":"das",
+		"title":"Executing SQL Statements",
+		"uri":"das_04_0047.html",
+		"doc_type":"usermanual",
+		"p_code":"29",
+		"code":"31"
+	},
+	{
+		"desc":"SQL tuning helps you identify the SQL statements that are executed frequently or slowly, and consume large volumes of resources. You can optimize the database according t",
+		"product_code":"das",
+		"title":"Tuning SQL Statements",
+		"uri":"das_04_0074.html",
+		"doc_type":"usermanual",
+		"p_code":"29",
+		"code":"32"
+	},
+	{
+		"desc":"This section describes how to analyze the execution efficiency of the current SQL statement.On the Executed SQL Statements tab page, view the historical SQL executions.On",
+		"product_code":"das",
+		"title":"Executing SQL Plan",
+		"uri":"das_04_0048.html",
+		"doc_type":"usermanual",
+		"p_code":"29",
+		"code":"33"
+	},
+	{
+		"desc":"DAS allows you to add frequently used SQL statements and view and manage SQL statements.Add SQL Statement: allows you to add your desired SQL statements. Specifically, sp",
+		"product_code":"das",
+		"title":"SQL Favorites",
+		"uri":"das_04_0050.html",
+		"doc_type":"usermanual",
+		"p_code":"29",
+		"code":"34"
+	},
+	{
+		"desc":"To access the Database Management page, click a database name.To copy and use your required SQL statements, click the SQL statement in the SQL Statement column.To directl",
+		"product_code":"das",
+		"title":"SQL History",
+		"uri":"das_04_0084.html",
+		"doc_type":"usermanual",
+		"p_code":"29",
+		"code":"35"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Database Management",
+		"uri":"das_08_0010.html",
+		"doc_type":"usermanual",
+		"p_code":"23",
+		"code":"36"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Table Management",
+		"uri":"das_04_0008.html",
+		"doc_type":"usermanual",
+		"p_code":"36",
+		"code":"37"
+	},
+	{
+		"desc":"A MySQL data table consists of basic information, field/column information, virtual columns, indexes, and foreign keys. The virtual columns, indexes, and foreign keys are",
+		"product_code":"das",
+		"title":"Creating a Table",
+		"uri":"das_04_0009.html",
+		"doc_type":"usermanual",
+		"p_code":"37",
+		"code":"38"
+	},
+	{
+		"desc":"If a table has primary keys, you can add, delete, modify, or query table data as you do in Excel.",
+		"product_code":"das",
+		"title":"Opening a Table",
+		"uri":"das_04_0010.html",
+		"doc_type":"usermanual",
+		"p_code":"37",
+		"code":"39"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Viewing Table Details",
+		"uri":"das_04_0011.html",
+		"doc_type":"usermanual",
+		"p_code":"37",
+		"code":"40"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Altering a Table",
+		"uri":"das_04_0012.html",
+		"doc_type":"usermanual",
+		"p_code":"37",
+		"code":"41"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Renaming a Table",
+		"uri":"das_04_0013.html",
+		"doc_type":"usermanual",
+		"p_code":"37",
+		"code":"42"
+	},
+	{
+		"desc":"Cleared tables cannot be recovered. Exercise caution when performing this operation.",
+		"product_code":"das",
+		"title":"Clearing a Table",
+		"uri":"das_04_0014.html",
+		"doc_type":"usermanual",
+		"p_code":"37",
+		"code":"43"
+	},
+	{
+		"desc":"Dropped tables cannot be recovered. Exercise caution when performing this operation.",
+		"product_code":"das",
+		"title":"Dropping a Table",
+		"uri":"das_04_0018.html",
+		"doc_type":"usermanual",
+		"p_code":"37",
+		"code":"44"
+	},
+	{
+		"desc":"While working with MySQL databases, you do a lot of changes such as data insert, update, and deletion, which may cause table fragmentation. As a result, the database serv",
+		"product_code":"das",
+		"title":"Maintaining a Table",
+		"uri":"das_04_0069.html",
+		"doc_type":"usermanual",
+		"p_code":"37",
+		"code":"45"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"View Management",
+		"uri":"das_04_0019.html",
+		"doc_type":"usermanual",
+		"p_code":"36",
+		"code":"46"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Creating a View",
+		"uri":"das_04_0020.html",
+		"doc_type":"usermanual",
+		"p_code":"46",
+		"code":"47"
+	},
+	{
+		"desc":"View data can be only queried, but not be edited, because views do not have primary keys.",
+		"product_code":"das",
+		"title":"Opening a View",
+		"uri":"das_04_0022.html",
+		"doc_type":"usermanual",
+		"p_code":"46",
+		"code":"48"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Altering a View",
+		"uri":"das_04_0023.html",
+		"doc_type":"usermanual",
+		"p_code":"46",
+		"code":"49"
+	},
+	{
+		"desc":"Dropped views cannot be recovered. Exercise caution when performing this operation.",
+		"product_code":"das",
+		"title":"Dropping a View",
+		"uri":"das_04_0025.html",
+		"doc_type":"usermanual",
+		"p_code":"46",
+		"code":"50"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Stored Procedure Management",
+		"uri":"das_04_0030.html",
+		"doc_type":"usermanual",
+		"p_code":"36",
+		"code":"51"
+	},
+	{
+		"desc":"A stored procedure is a set of SQL statements used to implement specific functions. After being compiled, stored procedures are stored in databases. You can execute the s",
+		"product_code":"das",
+		"title":"Creating a Stored Procedure",
+		"uri":"das_04_0067.html",
+		"doc_type":"usermanual",
+		"p_code":"51",
+		"code":"52"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Altering or Executing a Stored Procedure",
+		"uri":"das_04_0032.html",
+		"doc_type":"usermanual",
+		"p_code":"51",
+		"code":"53"
+	},
+	{
+		"desc":"Dropped stored procedures cannot be recovered. Exercise caution when performing this operation.",
+		"product_code":"das",
+		"title":"Dropping a Stored Procedure",
+		"uri":"das_04_0033.html",
+		"doc_type":"usermanual",
+		"p_code":"51",
+		"code":"54"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Viewing Stored Procedure Details",
+		"uri":"das_04_0110.html",
+		"doc_type":"usermanual",
+		"p_code":"51",
+		"code":"55"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Event Management",
+		"uri":"das_04_0026.html",
+		"doc_type":"usermanual",
+		"p_code":"36",
+		"code":"56"
+	},
+	{
+		"desc":"This section describes how to create an event to periodically respond to specific operations.When event_scheduler for RDS DB instances is set to ON and the event function",
+		"product_code":"das",
+		"title":"Creating an Event",
+		"uri":"das_04_0027.html",
+		"doc_type":"usermanual",
+		"p_code":"56",
+		"code":"57"
+	},
+	{
+		"desc":"This section describes how to alter an event.",
+		"product_code":"das",
+		"title":"Altering an Event",
+		"uri":"das_04_0028.html",
+		"doc_type":"usermanual",
+		"p_code":"56",
+		"code":"58"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Dropping an Event",
+		"uri":"das_04_0029.html",
+		"doc_type":"usermanual",
+		"p_code":"56",
+		"code":"59"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Trigger Management",
+		"uri":"das_04_0051.html",
+		"doc_type":"usermanual",
+		"p_code":"36",
+		"code":"60"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Creating a Trigger",
+		"uri":"das_04_0052.html",
+		"doc_type":"usermanual",
+		"p_code":"60",
+		"code":"61"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Altering a Trigger",
+		"uri":"das_04_0054.html",
+		"doc_type":"usermanual",
+		"p_code":"60",
+		"code":"62"
+	},
+	{
+		"desc":"Dropped triggers cannot be recovered. Exercise caution when performing this operation.",
+		"product_code":"das",
+		"title":"Dropping a Trigger",
+		"uri":"das_04_0055.html",
+		"doc_type":"usermanual",
+		"p_code":"60",
+		"code":"63"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Function Management",
+		"uri":"das_04_0035.html",
+		"doc_type":"usermanual",
+		"p_code":"36",
+		"code":"64"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Creating a Function",
+		"uri":"das_04_0036.html",
+		"doc_type":"usermanual",
+		"p_code":"64",
+		"code":"65"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Altering or Executing a Function",
+		"uri":"das_04_0037.html",
+		"doc_type":"usermanual",
+		"p_code":"64",
+		"code":"66"
+	},
+	{
+		"desc":"Dropped functions cannot be recovered. Exercise caution when performing this operation.",
+		"product_code":"das",
+		"title":"Dropping a Function",
+		"uri":"das_04_0038.html",
+		"doc_type":"usermanual",
+		"p_code":"64",
+		"code":"67"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Viewing Details of a Function",
+		"uri":"das_04_0039.html",
+		"doc_type":"usermanual",
+		"p_code":"64",
+		"code":"68"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Import and Export",
+		"uri":"das_04_0098.html",
+		"doc_type":"usermanual",
+		"p_code":"23",
+		"code":"69"
+	},
+	{
+		"desc":"Import data from your local PC or OBS bucket for data backup and migration.Import data into a table for backup or data migration. The table structure to be imported must ",
+		"product_code":"das",
+		"title":"Data Import",
+		"uri":"das_04_0042.html",
+		"doc_type":"usermanual",
+		"p_code":"69",
+		"code":"70"
+	},
+	{
+		"desc":"You have created a user database on the MySQL database management page. For details, see Creating a Database.Use pagination to query large amounts of data. You can export",
+		"product_code":"das",
+		"title":"Data Export",
+		"uri":"das_04_0041.html",
+		"doc_type":"usermanual",
+		"p_code":"69",
+		"code":"71"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Structure Management",
+		"uri":"das_04_0085.html",
+		"doc_type":"usermanual",
+		"p_code":"23",
+		"code":"72"
+	},
+	{
+		"desc":"When you perform a migration or verification, you can check the structure difference by comparing and synchronizing table structures.Search for tasks by task status and v",
+		"product_code":"das",
+		"title":"Table Structure Comparison and Synchronization",
+		"uri":"das_04_0086.html",
+		"doc_type":"usermanual",
+		"p_code":"72",
+		"code":"73"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Data Scheme",
+		"uri":"das_04_0056.html",
+		"doc_type":"usermanual",
+		"p_code":"23",
+		"code":"74"
+	},
+	{
+		"desc":"During the functional testing of a program, a large amount of test data complying with specific rules needs to be inserted into the database. DAS allows you to automatica",
+		"product_code":"das",
+		"title":"Data Generator",
+		"uri":"das_04_0058.html",
+		"doc_type":"usermanual",
+		"p_code":"74",
+		"code":"75"
+	},
+	{
+		"desc":"Audit core data changes, collect change statistics, and view sensitive information. For example, you can use this function to query bank statements, statistics on new ord",
+		"product_code":"das",
+		"title":"Data Tracking and Rollback",
+		"uri":"das_04_0082.html",
+		"doc_type":"usermanual",
+		"p_code":"74",
+		"code":"76"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Background Tasks",
+		"uri":"das_04_0083.html",
+		"doc_type":"usermanual",
+		"p_code":"23",
+		"code":"77"
+	},
+	{
+		"desc":"DAS allows you to execute SQL statements by scheduling tasks. Scheduling types include upon submission, scheduled, and periodic. You can select the scheduling type when c",
+		"product_code":"das",
+		"title":"Task Scheduling",
+		"uri":"das_04_0120.html",
+		"doc_type":"usermanual",
+		"p_code":"77",
+		"code":"78"
+	},
+	{
+		"desc":"Scheduled backup allows you to back up important database tables and data or SQL result sets so that data can be restored timely in case of a data loss.Storage: The syste",
+		"product_code":"das",
+		"title":"Scheduled Backup",
+		"uri":"das_04_0121.html",
+		"doc_type":"usermanual",
+		"p_code":"77",
+		"code":"79"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Intelligent O&M",
+		"uri":"das_04_0063.html",
+		"doc_type":"usermanual",
+		"p_code":"23",
+		"code":"80"
+	},
+	{
+		"desc":"With Intelligent O&M, you can comprehensively analyze DB instances to understand their performance and operating statuses. It provides multi-dimensional and real-time per",
+		"product_code":"das",
+		"title":"Real-Time Performance",
+		"uri":"das_04_0081.html",
+		"doc_type":"usermanual",
+		"p_code":"80",
+		"code":"81"
+	},
+	{
+		"desc":"View the running duration and status of SQL statements online to detect and handle abnormal processes in a timely manner to ensure that databases run smoothly.Define slow",
+		"product_code":"das",
+		"title":"Real-Time Sessions",
+		"uri":"das_04_0065.html",
+		"doc_type":"usermanual",
+		"p_code":"80",
+		"code":"82"
+	},
+	{
+		"desc":"If the maximum number of sessions for an instance has been reached and the instance cannot be logged in to, you can view and kill unnecessary sessions through the emergen",
+		"product_code":"das",
+		"title":"Emergency Channel",
+		"uri":"das_04_0093.html",
+		"doc_type":"usermanual",
+		"p_code":"80",
+		"code":"83"
+	},
+	{
+		"desc":"You can view memory parameter settings online to detect problems in a timely manner. This prevents high memory usage.",
+		"product_code":"das",
+		"title":"Memory Parameter Setting Diagnosis",
+		"uri":"das_04_0094.html",
+		"doc_type":"usermanual",
+		"p_code":"80",
+		"code":"84"
+	},
+	{
+		"desc":"SQL tuning helps you identify the SQL statements that are executed frequently or slowly, and consume large volumes of resources. You can optimize the database according t",
+		"product_code":"das",
+		"title":"SQL Tuning",
+		"uri":"das_04_0072.html",
+		"doc_type":"usermanual",
+		"p_code":"80",
+		"code":"85"
+	},
+	{
+		"desc":"A diagnosis report displays the database data in a specified period, including real-time performance data, session statistics, slow SQL statements, and SQL tuning statist",
+		"product_code":"das",
+		"title":"Tuning Report",
+		"uri":"das_04_0080.html",
+		"doc_type":"usermanual",
+		"p_code":"80",
+		"code":"86"
+	},
+	{
+		"desc":"InnoDB lock status management allows you to diagnose conflicts during execution of transactions or sessions with a few clicks. By querying the lock status, you can obtain",
+		"product_code":"das",
+		"title":"InnoDB Lock Query",
+		"uri":"das_04_0071.html",
+		"doc_type":"usermanual",
+		"p_code":"80",
+		"code":"87"
+	},
+	{
+		"desc":"Use binlogs to query historical operations to trace data and quickly locate problems.",
+		"product_code":"das",
+		"title":"Binlog Query",
+		"uri":"das_04_0066.html",
+		"doc_type":"usermanual",
+		"p_code":"80",
+		"code":"88"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Account Management",
+		"uri":"das_04_0059.html",
+		"doc_type":"usermanual",
+		"p_code":"23",
+		"code":"89"
+	},
+	{
+		"desc":"To ensure that RDS MySQL databases run properly and prevent account information from being deleted by mistake, DAS hides the following accounts of MySQL database users.",
+		"product_code":"das",
+		"title":"Database Account Security",
+		"uri":"das_04_0068.html",
+		"doc_type":"usermanual",
+		"p_code":"89",
+		"code":"90"
+	},
+	{
+		"desc":"Multiple users with different permissions can be created to access a DB instance or database, but the permissions of these users cannot exceed the operation permissions o",
+		"product_code":"das",
+		"title":"Creating a User",
+		"uri":"das_04_0060.html",
+		"doc_type":"usermanual",
+		"p_code":"89",
+		"code":"91"
+	},
+	{
+		"desc":"This section describes how to edit user information, including the user name, password, global permissions, object permissions, and advanced settings.",
+		"product_code":"das",
+		"title":"Editing User Information",
+		"uri":"das_04_0061.html",
+		"doc_type":"usermanual",
+		"p_code":"89",
+		"code":"92"
+	},
+	{
+		"desc":"Deleted users cannot be recovered. Exercise caution when performing this operation.",
+		"product_code":"das",
+		"title":"Deleting a User",
+		"uri":"das_04_0062.html",
+		"doc_type":"usermanual",
+		"p_code":"89",
+		"code":"93"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"GaussDB(for MySQL) DB Instance Management (Development Tool)",
+		"uri":"das_13_0001.html",
+		"doc_type":"usermanual",
+		"p_code":"16",
+		"code":"94"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Homepage",
+		"uri":"das_13_0002.html",
+		"doc_type":"usermanual",
+		"p_code":"94",
+		"code":"95"
+	},
+	{
+		"desc":"Brief introduction that helps you better understand DAS",
+		"product_code":"das",
+		"title":"Overview",
+		"uri":"das_13_0003.html",
+		"doc_type":"usermanual",
+		"p_code":"95",
+		"code":"96"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Creating a Database",
+		"uri":"das_13_0005.html",
+		"doc_type":"usermanual",
+		"p_code":"95",
+		"code":"97"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Dropping a Database",
+		"uri":"das_13_0006.html",
+		"doc_type":"usermanual",
+		"p_code":"95",
+		"code":"98"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"SQL Operations",
+		"uri":"das_13_0040.html",
+		"doc_type":"usermanual",
+		"p_code":"94",
+		"code":"99"
+	},
+	{
+		"desc":"Execute SQL: executes SQL statements.Tune SQL: queries the SQL statements that are executed frequently, consume a large amount of resources, or take a long time to execut",
+		"product_code":"das",
+		"title":"SQL Window",
+		"uri":"das_13_0041.html",
+		"doc_type":"usermanual",
+		"p_code":"99",
+		"code":"100"
+	},
+	{
+		"desc":"To access the Database Management page, click a database name.To copy and use your required SQL statements, click the SQL statement in the SQL Statement column.To directl",
+		"product_code":"das",
+		"title":"SQL History",
+		"uri":"das_13_0042.html",
+		"doc_type":"usermanual",
+		"p_code":"99",
+		"code":"101"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Database Management",
+		"uri":"das_13_0004.html",
+		"doc_type":"usermanual",
+		"p_code":"94",
+		"code":"102"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Table Management",
+		"uri":"das_13_0007.html",
+		"doc_type":"usermanual",
+		"p_code":"102",
+		"code":"103"
+	},
+	{
+		"desc":"A GaussDB(for MySQL) database table consists of basic information, fields or columns, virtual columns, indexes, and foreign keys, among which virtual columns, indexes, an",
+		"product_code":"das",
+		"title":"Creating a Table",
+		"uri":"das_13_0008.html",
+		"doc_type":"usermanual",
+		"p_code":"103",
+		"code":"104"
+	},
+	{
+		"desc":"If a table has primary keys, you can add, delete, modify, or query table data as you do in Excel.System tables cannot be modified.",
+		"product_code":"das",
+		"title":"Opening a Table",
+		"uri":"das_13_0009.html",
+		"doc_type":"usermanual",
+		"p_code":"103",
+		"code":"105"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Viewing Table Details",
+		"uri":"das_13_0010.html",
+		"doc_type":"usermanual",
+		"p_code":"103",
+		"code":"106"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Altering a Table",
+		"uri":"das_13_0011.html",
+		"doc_type":"usermanual",
+		"p_code":"103",
+		"code":"107"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Renaming a Table",
+		"uri":"das_13_0012.html",
+		"doc_type":"usermanual",
+		"p_code":"103",
+		"code":"108"
+	},
+	{
+		"desc":"Cleared tables cannot be recovered. Exercise caution when performing this operation.",
+		"product_code":"das",
+		"title":"Clearing a Table",
+		"uri":"das_13_0013.html",
+		"doc_type":"usermanual",
+		"p_code":"103",
+		"code":"109"
+	},
+	{
+		"desc":"Dropped tables cannot be recovered. Exercise caution when performing this operation.",
+		"product_code":"das",
+		"title":"Dropping a Table",
+		"uri":"das_13_0014.html",
+		"doc_type":"usermanual",
+		"p_code":"103",
+		"code":"110"
+	},
+	{
+		"desc":"While working with a database, you do a lot of changes to tables such as inserting, updating and deleting data. This occupies disk space and deteriorates database perform",
+		"product_code":"das",
+		"title":"Maintaining a Table",
+		"uri":"das_13_0015.html",
+		"doc_type":"usermanual",
+		"p_code":"103",
+		"code":"111"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"View Management",
+		"uri":"das_13_0017.html",
+		"doc_type":"usermanual",
+		"p_code":"102",
+		"code":"112"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Creating a View",
+		"uri":"das_13_0018.html",
+		"doc_type":"usermanual",
+		"p_code":"112",
+		"code":"113"
+	},
+	{
+		"desc":"View data can be only queried, but not be edited, because views do not have primary keys.",
+		"product_code":"das",
+		"title":"Opening a View",
+		"uri":"das_13_0019.html",
+		"doc_type":"usermanual",
+		"p_code":"112",
+		"code":"114"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Altering a View",
+		"uri":"das_13_0020.html",
+		"doc_type":"usermanual",
+		"p_code":"112",
+		"code":"115"
+	},
+	{
+		"desc":"Dropped views cannot be recovered. Exercise caution when performing this operation.",
+		"product_code":"das",
+		"title":"Dropping a View",
+		"uri":"das_13_0021.html",
+		"doc_type":"usermanual",
+		"p_code":"112",
+		"code":"116"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Event Management",
+		"uri":"das_13_0022.html",
+		"doc_type":"usermanual",
+		"p_code":"102",
+		"code":"117"
+	},
+	{
+		"desc":"Create an event to periodically response to specific operations on databases.When event_scheduler of an RDS DB instance is set to ON, and the event function is enabled, y",
+		"product_code":"das",
+		"title":"Creating an Event",
+		"uri":"das_13_0023.html",
+		"doc_type":"usermanual",
+		"p_code":"117",
+		"code":"118"
+	},
+	{
+		"desc":"This section describes how to alter an event.",
+		"product_code":"das",
+		"title":"Altering an Event",
+		"uri":"das_13_0024.html",
+		"doc_type":"usermanual",
+		"p_code":"117",
+		"code":"119"
+	},
+	{
+		"desc":"Dropped events cannot be recovered. Exercise caution when performing this operation.",
+		"product_code":"das",
+		"title":"Dropping an Event",
+		"uri":"das_13_0025.html",
+		"doc_type":"usermanual",
+		"p_code":"117",
+		"code":"120"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Stored Procedure Management",
+		"uri":"das_13_0026.html",
+		"doc_type":"usermanual",
+		"p_code":"102",
+		"code":"121"
+	},
+	{
+		"desc":"A stored procedure consists of a set of SQL statements that can complete specific tasks or process complex services. This section describes how to create a stored procedu",
+		"product_code":"das",
+		"title":"Creating a Stored Procedure",
+		"uri":"das_13_0027.html",
+		"doc_type":"usermanual",
+		"p_code":"121",
+		"code":"122"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Altering or Executing a Stored Procedure",
+		"uri":"das_13_0028.html",
+		"doc_type":"usermanual",
+		"p_code":"121",
+		"code":"123"
+	},
+	{
+		"desc":"Dropped stored procedures cannot be recovered. Exercise caution when performing this operation.",
+		"product_code":"das",
+		"title":"Dropping a Stored Procedure",
+		"uri":"das_13_0029.html",
+		"doc_type":"usermanual",
+		"p_code":"121",
+		"code":"124"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Function Management",
+		"uri":"das_13_0030.html",
+		"doc_type":"usermanual",
+		"p_code":"102",
+		"code":"125"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Creating a Function",
+		"uri":"das_13_0031.html",
+		"doc_type":"usermanual",
+		"p_code":"125",
+		"code":"126"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Altering or Executing a Function",
+		"uri":"das_13_0032.html",
+		"doc_type":"usermanual",
+		"p_code":"125",
+		"code":"127"
+	},
+	{
+		"desc":"Dropped functions cannot be recovered. Exercise caution when performing this operation.",
+		"product_code":"das",
+		"title":"Dropping a Function",
+		"uri":"das_13_0033.html",
+		"doc_type":"usermanual",
+		"p_code":"125",
+		"code":"128"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Trigger Management",
+		"uri":"das_13_0035.html",
+		"doc_type":"usermanual",
+		"p_code":"102",
+		"code":"129"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Creating a Trigger",
+		"uri":"das_13_0036.html",
+		"doc_type":"usermanual",
+		"p_code":"129",
+		"code":"130"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Altering a Trigger",
+		"uri":"das_13_0038.html",
+		"doc_type":"usermanual",
+		"p_code":"129",
+		"code":"131"
+	},
+	{
+		"desc":"Dropped triggers cannot be recovered. Exercise caution when performing this operation.",
+		"product_code":"das",
+		"title":"Dropping a Trigger",
+		"uri":"das_13_0039.html",
+		"doc_type":"usermanual",
+		"p_code":"129",
+		"code":"132"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Import and Export",
+		"uri":"das_13_0047.html",
+		"doc_type":"usermanual",
+		"p_code":"94",
+		"code":"133"
+	},
+	{
+		"desc":"Import data into a table for backup or data migration. The table structure to be imported must be the same as that of the target table. If you import a CSV or SQL file, t",
+		"product_code":"das",
+		"title":"Data Import",
+		"uri":"das_13_0048.html",
+		"doc_type":"usermanual",
+		"p_code":"133",
+		"code":"134"
+	},
+	{
+		"desc":"DAS supports pagination query to meet your requirements for querying large amounts of data. You can export all the data at a time when backing up or migrating data.Altern",
+		"product_code":"das",
+		"title":"Data Export",
+		"uri":"das_13_0049.html",
+		"doc_type":"usermanual",
+		"p_code":"133",
+		"code":"135"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Structure Management",
+		"uri":"das_13_0050.html",
+		"doc_type":"usermanual",
+		"p_code":"94",
+		"code":"136"
+	},
+	{
+		"desc":"When you perform a migration or verification, you can check the structure difference by comparing and synchronizing table structures.Search for tasks by task status and v",
+		"product_code":"das",
+		"title":"Table Structure Comparison and Synchronization",
+		"uri":"das_13_0051.html",
+		"doc_type":"usermanual",
+		"p_code":"136",
+		"code":"137"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Data Scheme",
+		"uri":"das_13_0052.html",
+		"doc_type":"usermanual",
+		"p_code":"94",
+		"code":"138"
+	},
+	{
+		"desc":"DAS can automatically generate test data according to certain rules. This test data can be inserted into a database to test program functions. This section describes how ",
+		"product_code":"das",
+		"title":"Data Generator",
+		"uri":"das_13_0053.html",
+		"doc_type":"usermanual",
+		"p_code":"138",
+		"code":"139"
+	},
+	{
+		"desc":"Scheduled backup allows you to back up important database tables and data or SQL result sets so that data can be restored timely in case of a data loss.Storage: The syste",
+		"product_code":"das",
+		"title":"Scheduled Backup",
+		"uri":"das_13_0062.html",
+		"doc_type":"usermanual",
+		"p_code":"94",
+		"code":"140"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Intelligent O&M",
+		"uri":"das_13_0055.html",
+		"doc_type":"usermanual",
+		"p_code":"94",
+		"code":"141"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Real-Time Performance",
+		"uri":"das_11_0056.html",
+		"doc_type":"usermanual",
+		"p_code":"141",
+		"code":"142"
+	},
+	{
+		"desc":"On the Slow Sessions tab page, set the slow SQL threshold and click the refreshing button or enable Auto Refresh to single out the SQL statements whose execution time exc",
+		"product_code":"das",
+		"title":"Real-Time Sessions",
+		"uri":"das_11_0057.html",
+		"doc_type":"usermanual",
+		"p_code":"141",
+		"code":"143"
+	},
+	{
+		"desc":"The SQL tuning function obtains the table structure and data distribution information (non-original). The obtained data is only for logic diagnosis, but not stored on the",
+		"product_code":"das",
+		"title":"SQL Tuning",
+		"uri":"das_11_0060.html",
+		"doc_type":"usermanual",
+		"p_code":"141",
+		"code":"144"
+	},
+	{
+		"desc":"A diagnosis report displays the database data in a specified period, including real-time performance data, session statistics, slow SQL statements, and SQL tuning statist",
+		"product_code":"das",
+		"title":"Tuning Report",
+		"uri":"das_11_0059.html",
+		"doc_type":"usermanual",
+		"p_code":"141",
+		"code":"145"
+	},
+	{
+		"desc":"InnoDB lock status management allows you to diagnose conflicts during execution of transactions or sessions with a few clicks. By querying the lock status, you can obtain",
+		"product_code":"das",
+		"title":"InnoDB Lock Query",
+		"uri":"das_11_0080.html",
+		"doc_type":"usermanual",
+		"p_code":"141",
+		"code":"146"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Account Management",
+		"uri":"das_13_0061.html",
+		"doc_type":"usermanual",
+		"p_code":"94",
+		"code":"147"
+	},
+	{
+		"desc":"DAS hides the following accounts of RDS MySQL databases to ensure that the databases run properly and prevent account information from being deleted by mistake.",
+		"product_code":"das",
+		"title":"Configuring Database Account Security",
+		"uri":"das_13_0070.html",
+		"doc_type":"usermanual",
+		"p_code":"147",
+		"code":"148"
+	},
+	{
+		"desc":"Multiple users with different permissions can be created to access a DB instance or database, but the permissions of these users must be within the range of the account p",
+		"product_code":"das",
+		"title":"Creating a User",
+		"uri":"das_13_0071.html",
+		"doc_type":"usermanual",
+		"p_code":"147",
+		"code":"149"
+	},
+	{
+		"desc":"This section describes how to edit user information, including the user name, password, global permissions, object permissions, and advanced settings.",
+		"product_code":"das",
+		"title":"Editing a User",
+		"uri":"das_13_0072.html",
+		"doc_type":"usermanual",
+		"p_code":"147",
+		"code":"150"
+	},
+	{
+		"desc":"Deleted users cannot be recovered. Exercise caution when performing this operation.",
+		"product_code":"das",
+		"title":"Deleting a User",
+		"uri":"das_04_0073.html",
+		"doc_type":"usermanual",
+		"p_code":"147",
+		"code":"151"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"GaussDB(for Cassandra) DB Instance Management (Development Tool)",
+		"uri":"das_16_0001.html",
+		"doc_type":"usermanual",
+		"p_code":"16",
+		"code":"152"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Overview",
+		"uri":"das_16_0002.html",
+		"doc_type":"usermanual",
+		"p_code":"152",
+		"code":"153"
+	},
+	{
+		"desc":"For more login information, see Logging In to a Database.Brief introduction that helps you better understand DAS",
+		"product_code":"das",
+		"title":"Function Overview",
+		"uri":"das_16_0003.html",
+		"doc_type":"usermanual",
+		"p_code":"153",
+		"code":"154"
+	},
+	{
+		"desc":"If there are too many tables, the system will not collect the metadata and display the table list to mitigate the impact on database performance.You can manage instance t",
+		"product_code":"das",
+		"title":"Keyspace Management",
+		"uri":"das_16_0004.html",
+		"doc_type":"usermanual",
+		"p_code":"153",
+		"code":"155"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Creating a Keyspace",
+		"uri":"das_16_0005.html",
+		"doc_type":"usermanual",
+		"p_code":"153",
+		"code":"156"
+	},
+	{
+		"desc":"You are advised to enable Save Executed SQL Statements in the upper right corner so that the recently executed SQL statements can be saved to the server.Execute SQL: exec",
+		"product_code":"das",
+		"title":"SQL Window",
+		"uri":"das_16_0006.html",
+		"doc_type":"usermanual",
+		"p_code":"153",
+		"code":"157"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Table Management",
+		"uri":"das_16_0007.html",
+		"doc_type":"usermanual",
+		"p_code":"152",
+		"code":"158"
+	},
+	{
+		"desc":"At least one table has been created in the current keyspace.You can create tables in the SQL window.",
+		"product_code":"das",
+		"title":"Opening a Table",
+		"uri":"das_16_0008.html",
+		"doc_type":"usermanual",
+		"p_code":"158",
+		"code":"159"
+	},
+	{
+		"desc":"At least one table has been created in the current keyspace.",
+		"product_code":"das",
+		"title":"Viewing Table Details",
+		"uri":"das_16_0009.html",
+		"doc_type":"usermanual",
+		"p_code":"158",
+		"code":"160"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"View Management",
+		"uri":"das_16_0010.html",
+		"doc_type":"usermanual",
+		"p_code":"152",
+		"code":"161"
+	},
+	{
+		"desc":"At least one view has been created in the current keyspace.You can create views in the SQL window.",
+		"product_code":"das",
+		"title":"Opening a View",
+		"uri":"das_16_0011.html",
+		"doc_type":"usermanual",
+		"p_code":"161",
+		"code":"162"
+	},
+	{
+		"desc":"At least one view has been created in the current keyspace.You can create views in the SQL window.",
+		"product_code":"das",
+		"title":"Obtaining View Details",
+		"uri":"das_16_0012.html",
+		"doc_type":"usermanual",
+		"p_code":"161",
+		"code":"163"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Custom Type",
+		"uri":"das_16_0013.html",
+		"doc_type":"usermanual",
+		"p_code":"152",
+		"code":"164"
+	},
+	{
+		"desc":"At least one user-defined type has been created in the current keyspace.If the basic types do not meet your requirements or are inconvenient for use, you can create a new",
+		"product_code":"das",
+		"title":"Viewing Custom Type",
+		"uri":"das_16_0014.html",
+		"doc_type":"usermanual",
+		"p_code":"164",
+		"code":"165"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Import and Export",
+		"uri":"das_16_0020.html",
+		"doc_type":"usermanual",
+		"p_code":"152",
+		"code":"166"
+	},
+	{
+		"desc":"Import data into a table for backup or data migration. The table structure to be imported must be the same as that of the target table. If you import a CSV or SQL file, t",
+		"product_code":"das",
+		"title":"Data Import",
+		"uri":"das_16_0021.html",
+		"doc_type":"usermanual",
+		"p_code":"166",
+		"code":"167"
+	},
+	{
+		"desc":"DAS supports pagination query to meet your requirements for querying large amounts of data. You can export all the data at a time when backing up or migrating data.Altern",
+		"product_code":"das",
+		"title":"Data Export",
+		"uri":"das_16_0022.html",
+		"doc_type":"usermanual",
+		"p_code":"166",
+		"code":"168"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"SQL Operations",
+		"uri":"das_16_0015.html",
+		"doc_type":"usermanual",
+		"p_code":"152",
+		"code":"169"
+	},
+	{
+		"desc":"Execute SQL: executes SQL statements.Format SQL: improves the readability of SQL statements. Formatting SQL statements enables statements to be displayed in line break mo",
+		"product_code":"das",
+		"title":"SQL Window",
+		"uri":"das_16_0016.html",
+		"doc_type":"usermanual",
+		"p_code":"169",
+		"code":"170"
+	},
+	{
+		"desc":"To go to the Keyspace Management page, click a keyspace name.To copy and use your required SQL statements, click the SQL statement in the SQL Statement column.To directly",
+		"product_code":"das",
+		"title":"SQL History",
+		"uri":"das_16_0017.html",
+		"doc_type":"usermanual",
+		"p_code":"169",
+		"code":"171"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Other Operations",
+		"uri":"das_16_0018.html",
+		"doc_type":"usermanual",
+		"p_code":"152",
+		"code":"172"
+	},
+	{
+		"desc":"On the Basic Information tab, enter a role name (mandatory), set a password, and confirm the password. You can select a role name from role members to assign the permissi",
+		"product_code":"das",
+		"title":"Role Management",
+		"uri":"das_16_0019.html",
+		"doc_type":"usermanual",
+		"p_code":"172",
+		"code":"173"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"GaussDB (for openGauss) DB Instance Management (Development Tool)",
+		"uri":"das_16_0023.html",
+		"doc_type":"usermanual",
+		"p_code":"16",
+		"code":"174"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Homepage",
+		"uri":"das_16_0024.html",
+		"doc_type":"usermanual",
+		"p_code":"174",
+		"code":"175"
+	},
+	{
+		"desc":"For more login information, see Logging In to a Database.",
+		"product_code":"das",
+		"title":"Overview",
+		"uri":"das_16_0025.html",
+		"doc_type":"usermanual",
+		"p_code":"175",
+		"code":"176"
+	},
+	{
+		"desc":"You can execute the following SQL statement to query system table pg_collation and view character sets and their corresponding collations and collation types:select pg_en",
+		"product_code":"das",
+		"title":"Creating a Database",
+		"uri":"das_16_0026.html",
+		"doc_type":"usermanual",
+		"p_code":"175",
+		"code":"177"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Deleting a Database",
+		"uri":"das_16_0027.html",
+		"doc_type":"usermanual",
+		"p_code":"175",
+		"code":"178"
+	},
+	{
+		"desc":"After a database is created, you need to create a schema because database operations cannot be performed in system schemas. Create a new schema and execute SQL statements",
+		"product_code":"das",
+		"title":"Creating a Schema",
+		"uri":"das_19_0015.html",
+		"doc_type":"usermanual",
+		"p_code":"175",
+		"code":"179"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Opening a Schema",
+		"uri":"das_20_0031.html",
+		"doc_type":"usermanual",
+		"p_code":"175",
+		"code":"180"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Dropping a Schema",
+		"uri":"das_20_0032.html",
+		"doc_type":"usermanual",
+		"p_code":"175",
+		"code":"181"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"SQL Operations",
+		"uri":"das_16_0028.html",
+		"doc_type":"usermanual",
+		"p_code":"174",
+		"code":"182"
+	},
+	{
+		"desc":"After a database is created, you need to create a schema before performing any SQL operations.Execute SQL: executes SQL statements.Execute SQL Plan: reports the execution",
+		"product_code":"das",
+		"title":"SQL Window",
+		"uri":"das_16_0029.html",
+		"doc_type":"usermanual",
+		"p_code":"182",
+		"code":"183"
+	},
+	{
+		"desc":"You are advised to enable SQL Input Prompt. It helps you to select your desired database, table, or field name as prompted to quickly enter statements in the SQL window.T",
+		"product_code":"das",
+		"title":"Executing SQL Statements",
+		"uri":"das_16_0030.html",
+		"doc_type":"usermanual",
+		"p_code":"182",
+		"code":"184"
+	},
+	{
+		"desc":"This section describes how to analyze the execution efficiency of the current SQL statement.On the Executed SQL Statements tab page, view the historical SQL executions.On",
+		"product_code":"das",
+		"title":"Executing SQL Plan",
+		"uri":"das_16_0031.html",
+		"doc_type":"usermanual",
+		"p_code":"182",
+		"code":"185"
+	},
+	{
+		"desc":"DAS allows you to add frequently used SQL statements and view and manage SQL statements.Add SQL Statement: allows you to add your desired SQL statements. Specifically, sp",
+		"product_code":"das",
+		"title":"SQL Favorites",
+		"uri":"das_16_0032.html",
+		"doc_type":"usermanual",
+		"p_code":"182",
+		"code":"186"
+	},
+	{
+		"desc":"To access the Database Management page, click a database name.To copy and use your required SQL statements, click the SQL statement in the SQL Statement column.To directl",
+		"product_code":"das",
+		"title":"SQL History",
+		"uri":"das_16_0033.html",
+		"doc_type":"usermanual",
+		"p_code":"182",
+		"code":"187"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Database Management",
+		"uri":"das_16_0034.html",
+		"doc_type":"usermanual",
+		"p_code":"174",
+		"code":"188"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Table Management",
+		"uri":"das_16_0035.html",
+		"doc_type":"usermanual",
+		"p_code":"188",
+		"code":"189"
+	},
+	{
+		"desc":"Tables in GaussDB(for openGauss) databases cannot be edited because the tables do not have primary keys.",
+		"product_code":"das",
+		"title":"Opening a Table",
+		"uri":"das_16_0036.html",
+		"doc_type":"usermanual",
+		"p_code":"189",
+		"code":"190"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Viewing Table Details",
+		"uri":"das_16_0037.html",
+		"doc_type":"usermanual",
+		"p_code":"189",
+		"code":"191"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"View Management",
+		"uri":"das_16_0038.html",
+		"doc_type":"usermanual",
+		"p_code":"188",
+		"code":"192"
+	},
+	{
+		"desc":"Views in GaussDB(for openGauss) databases cannot be edited because the views do not have primary keys.",
+		"product_code":"das",
+		"title":"Opening a View",
+		"uri":"das_16_0039.html",
+		"doc_type":"usermanual",
+		"p_code":"192",
+		"code":"193"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Obtaining View Details",
+		"uri":"das_16_0040.html",
+		"doc_type":"usermanual",
+		"p_code":"192",
+		"code":"194"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Stored Procedure Management",
+		"uri":"das_16_0041.html",
+		"doc_type":"usermanual",
+		"p_code":"188",
+		"code":"195"
+	},
+	{
+		"desc":"A stored procedure consists of a set of SQL statements that can complete specific tasks or process complex services. This section describes how to create a stored procedu",
+		"product_code":"das",
+		"title":"Creating a Stored Procedure",
+		"uri":"das_13_0060.html",
+		"doc_type":"usermanual",
+		"p_code":"195",
+		"code":"196"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Altering or Executing a Stored Procedure",
+		"uri":"das_16_0052.html",
+		"doc_type":"usermanual",
+		"p_code":"195",
+		"code":"197"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Viewing Stored Procedure Details",
+		"uri":"das_16_0042.html",
+		"doc_type":"usermanual",
+		"p_code":"195",
+		"code":"198"
+	},
+	{
+		"desc":"Dropped stored procedures cannot be recovered. Exercise caution when performing this operation.",
+		"product_code":"das",
+		"title":"Dropping a Stored Procedure",
+		"uri":"das_16_0053.html",
+		"doc_type":"usermanual",
+		"p_code":"195",
+		"code":"199"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Trigger Management",
+		"uri":"das_16_0043.html",
+		"doc_type":"usermanual",
+		"p_code":"188",
+		"code":"200"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Viewing Trigger Details",
+		"uri":"das_16_0044.html",
+		"doc_type":"usermanual",
+		"p_code":"200",
+		"code":"201"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Sequence Management",
+		"uri":"das_16_0045.html",
+		"doc_type":"usermanual",
+		"p_code":"188",
+		"code":"202"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Viewing Sequence Details",
+		"uri":"das_16_0046.html",
+		"doc_type":"usermanual",
+		"p_code":"202",
+		"code":"203"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Import and Export",
+		"uri":"das_16_0047.html",
+		"doc_type":"usermanual",
+		"p_code":"174",
+		"code":"204"
+	},
+	{
+		"desc":"Import data into a table for backup or data migration. The table structure to be imported must be the same as that of the target table. If you import a CSV or SQL file, t",
+		"product_code":"das",
+		"title":"Data Import",
+		"uri":"das_16_0048.html",
+		"doc_type":"usermanual",
+		"p_code":"204",
+		"code":"205"
+	},
+	{
+		"desc":"DAS supports pagination query to meet your requirements for querying large amounts of data. You can export all the data at a time when backing up or migrating data.Altern",
+		"product_code":"das",
+		"title":"Data Export",
+		"uri":"das_16_0049.html",
+		"doc_type":"usermanual",
+		"p_code":"204",
+		"code":"206"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Account Management",
+		"uri":"das_16_0050.html",
+		"doc_type":"usermanual",
+		"p_code":"174",
+		"code":"207"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Role Management",
+		"uri":"das_16_0051.html",
+		"doc_type":"usermanual",
+		"p_code":"207",
+		"code":"208"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Intelligent O&M",
+		"uri":"das_18_0097.html",
+		"doc_type":"usermanual",
+		"p_code":"16",
+		"code":"209"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"MySQL DB Instances",
+		"uri":"das_04_0096.html",
+		"doc_type":"usermanual",
+		"p_code":"209",
+		"code":"210"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Function Overview",
+		"uri":"das_03_0025.html",
+		"doc_type":"usermanual",
+		"p_code":"210",
+		"code":"211"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Performance",
+		"uri":"das_03_0026.html",
+		"doc_type":"usermanual",
+		"p_code":"210",
+		"code":"212"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Real-Time Diagnosis",
+		"uri":"das_03_0034.html",
+		"doc_type":"usermanual",
+		"p_code":"212",
+		"code":"213"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Real-Time Performance",
+		"uri":"das_03_0035.html",
+		"doc_type":"usermanual",
+		"p_code":"212",
+		"code":"214"
+	},
+	{
+		"desc":"Set a time range in the upper right corner so that you can view the DB instance performance during this period. You can also click Detail on each metric performance graph",
+		"product_code":"das",
+		"title":"Performance History",
+		"uri":"das_03_0036.html",
+		"doc_type":"usermanual",
+		"p_code":"212",
+		"code":"215"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Performance Trends Comparisons",
+		"uri":"das_03_0037.html",
+		"doc_type":"usermanual",
+		"p_code":"212",
+		"code":"216"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Custom Graphs",
+		"uri":"das_03_0038.html",
+		"doc_type":"usermanual",
+		"p_code":"212",
+		"code":"217"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Sessions",
+		"uri":"das_03_0027.html",
+		"doc_type":"usermanual",
+		"p_code":"210",
+		"code":"218"
+	},
+	{
+		"desc":"On the Slow Sessions tab page, set the slow session threshold and click the refreshing button or enable Auto Refresh to filter out the SQL statements whose execution time",
+		"product_code":"das",
+		"title":"Real-Time Sessions",
+		"uri":"das_03_0011.html",
+		"doc_type":"usermanual",
+		"p_code":"218",
+		"code":"219"
+	},
+	{
+		"desc":"Emergency ChannelIf the maximum number of sessions for an instance has been reached and the instance cannot be logged in to, you can view and kill unnecessary sessions th",
+		"product_code":"das",
+		"title":"Emergency Channel",
+		"uri":"das_03_0016.html",
+		"doc_type":"usermanual",
+		"p_code":"218",
+		"code":"220"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"SQL",
+		"uri":"das_03_0028.html",
+		"doc_type":"usermanual",
+		"p_code":"210",
+		"code":"221"
+	},
+	{
+		"desc":"Query and view slow query logs by database name.Click Export Slow Query Log to export the slow query logs.Click Export History to view the export history of slow query lo",
+		"product_code":"das",
+		"title":"Slow Query Logs",
+		"uri":"das_03_0017.html",
+		"doc_type":"usermanual",
+		"p_code":"221",
+		"code":"222"
+	},
+	{
+		"desc":"Click Export to export SQL statement information. A maximum of 100,000 records can be exported.Click Export History to view the exported SQL statements.",
+		"product_code":"das",
+		"title":"SQL Explorer",
+		"uri":"das_03_0015.html",
+		"doc_type":"usermanual",
+		"p_code":"221",
+		"code":"223"
+	},
+	{
+		"desc":"Only MySQL InnoDB is supported.Only the diagnosis of the SELECT, INSERT, UPDATE, and DELETE statements is supported. An INSERT statement must contain a SELECT clause.Quer",
+		"product_code":"das",
+		"title":"SQL Diagnosis",
+		"uri":"das_04_0100.html",
+		"doc_type":"usermanual",
+		"p_code":"221",
+		"code":"224"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Space",
+		"uri":"das_03_0029.html",
+		"doc_type":"usermanual",
+		"p_code":"210",
+		"code":"225"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Instance Space",
+		"uri":"das_03_0039.html",
+		"doc_type":"usermanual",
+		"p_code":"225",
+		"code":"226"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Database Space",
+		"uri":"das_03_0040.html",
+		"doc_type":"usermanual",
+		"p_code":"225",
+		"code":"227"
+	},
+	{
+		"desc":"GaussDB(for MySQL) DB instances are currently not supported.",
+		"product_code":"das",
+		"title":"Binlog",
+		"uri":"das_03_0030.html",
+		"doc_type":"usermanual",
+		"p_code":"210",
+		"code":"228"
+	},
+	{
+		"desc":"GaussDB(for MySQL) DB instances are currently not supported.",
+		"product_code":"das",
+		"title":"Parameters",
+		"uri":"das_03_0031.html",
+		"doc_type":"usermanual",
+		"p_code":"210",
+		"code":"229"
+	},
+	{
+		"desc":"You can also click View History Report to view historical diagnosis reports.Click Download to the upper right corner of the Today's Report page to download the diagnosis ",
+		"product_code":"das",
+		"title":"Daily Reports",
+		"uri":"das_03_0032.html",
+		"doc_type":"usermanual",
+		"p_code":"210",
+		"code":"230"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Locks and Transactions",
+		"uri":"das_03_0041.html",
+		"doc_type":"usermanual",
+		"p_code":"210",
+		"code":"231"
+	},
+	{
+		"desc":"With this function, the system displays the lock waits generated before the DML operations on the database in real time. With these waits, you can quickly locate the sess",
+		"product_code":"das",
+		"title":"InnoDB Lock Query",
+		"uri":"das_03_0042.html",
+		"doc_type":"usermanual",
+		"p_code":"231",
+		"code":"232"
+	},
+	{
+		"desc":"Metadata locks (MDLs) are used to ensure consistency between DDL and DML operations. Usually, DDL operations require MDL write locks. Once a DML lock occurs, it can have ",
+		"product_code":"das",
+		"title":"Metadata Locks",
+		"uri":"das_03_0043.html",
+		"doc_type":"usermanual",
+		"p_code":"231",
+		"code":"233"
+	},
+	{
+		"desc":"This feature is used to analyze and discover big transactions and the transactions that are not committed for a long time in the database.GaussDB(for MySQL) DB instances ",
+		"product_code":"das",
+		"title":"Historical Transactions",
+		"uri":"das_03_0044.html",
+		"doc_type":"usermanual",
+		"p_code":"231",
+		"code":"234"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"GaussDB(for MySQL) DB Instances",
+		"uri":"das_05_0096.html",
+		"doc_type":"usermanual",
+		"p_code":"209",
+		"code":"235"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Function Overview",
+		"uri":"das_05_0025.html",
+		"doc_type":"usermanual",
+		"p_code":"235",
+		"code":"236"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Performance",
+		"uri":"das_05_0026.html",
+		"doc_type":"usermanual",
+		"p_code":"235",
+		"code":"237"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Real-Time Diagnosis",
+		"uri":"das_05_0034.html",
+		"doc_type":"usermanual",
+		"p_code":"237",
+		"code":"238"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Real-Time Performance",
+		"uri":"das_05_0035.html",
+		"doc_type":"usermanual",
+		"p_code":"237",
+		"code":"239"
+	},
+	{
+		"desc":"Set a time range in the upper right corner so that you can view the DB instance performance during this period. You can also click Detail on each metric performance graph",
+		"product_code":"das",
+		"title":"Performance History",
+		"uri":"das_05_0036.html",
+		"doc_type":"usermanual",
+		"p_code":"237",
+		"code":"240"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Performance Trends Comparisons",
+		"uri":"das_05_0037.html",
+		"doc_type":"usermanual",
+		"p_code":"237",
+		"code":"241"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Custom Graphs",
+		"uri":"das_05_0038.html",
+		"doc_type":"usermanual",
+		"p_code":"237",
+		"code":"242"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Sessions",
+		"uri":"das_05_0027.html",
+		"doc_type":"usermanual",
+		"p_code":"235",
+		"code":"243"
+	},
+	{
+		"desc":"On the Slow Sessions tab page, set the slow session threshold to view the target sessions.",
+		"product_code":"das",
+		"title":"Real-Time Sessions",
+		"uri":"das_05_0011.html",
+		"doc_type":"usermanual",
+		"p_code":"243",
+		"code":"244"
+	},
+	{
+		"desc":"Emergency ChannelIf the maximum number of sessions for an instance has been reached and the instance cannot be logged in to, you can view and kill unnecessary sessions th",
+		"product_code":"das",
+		"title":"Emergency Channel",
+		"uri":"das_05_0016.html",
+		"doc_type":"usermanual",
+		"p_code":"243",
+		"code":"245"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"SQL",
+		"uri":"das_05_0028.html",
+		"doc_type":"usermanual",
+		"p_code":"235",
+		"code":"246"
+	},
+	{
+		"desc":"Query and view slow query logs by database name.Click Export to export the slow query logs.Click Export History to view the export history of slow query logs.",
+		"product_code":"das",
+		"title":"Slow Query Logs",
+		"uri":"das_05_0017.html",
+		"doc_type":"usermanual",
+		"p_code":"246",
+		"code":"247"
+	},
+	{
+		"desc":"A maximum of 10,000 SQL statements can be displayed. If you need to view more, click Export to export them. A maximum of 100,000 records can be exported.",
+		"product_code":"das",
+		"title":"SQL Explorer",
+		"uri":"das_05_0015.html",
+		"doc_type":"usermanual",
+		"p_code":"246",
+		"code":"248"
+	},
+	{
+		"desc":"Only MySQL InnoDB is supported.Only the diagnosis of SELECT, INSERT, UPDATE, and DELETE statements is supported. An INSERT statement must contain a SELECT clause.SQL stat",
+		"product_code":"das",
+		"title":"SQL Diagnosis",
+		"uri":"das_05_0100.html",
+		"doc_type":"usermanual",
+		"p_code":"246",
+		"code":"249"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Space",
+		"uri":"das_05_0029.html",
+		"doc_type":"usermanual",
+		"p_code":"235",
+		"code":"250"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Instance Space",
+		"uri":"das_05_0039.html",
+		"doc_type":"usermanual",
+		"p_code":"250",
+		"code":"251"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Database Space",
+		"uri":"das_05_0040.html",
+		"doc_type":"usermanual",
+		"p_code":"250",
+		"code":"252"
+	},
+	{
+		"desc":"GaussDB(for MySQL) DB instances are currently not supported.",
+		"product_code":"das",
+		"title":"Binlog",
+		"uri":"das_05_0030.html",
+		"doc_type":"usermanual",
+		"p_code":"235",
+		"code":"253"
+	},
+	{
+		"desc":"GaussDB(for MySQL) DB instances are currently not supported.",
+		"product_code":"das",
+		"title":"Parameters",
+		"uri":"das_05_0031.html",
+		"doc_type":"usermanual",
+		"p_code":"235",
+		"code":"254"
+	},
+	{
+		"desc":"You can also click View History Report to view historical diagnosis reports.Click Download to the upper right corner to download the diagnosis report to your local PC.Cli",
+		"product_code":"das",
+		"title":"Daily Reports",
+		"uri":"das_05_0032.html",
+		"doc_type":"usermanual",
+		"p_code":"235",
+		"code":"255"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Locks and Transactions",
+		"uri":"das_05_0041.html",
+		"doc_type":"usermanual",
+		"p_code":"235",
+		"code":"256"
+	},
+	{
+		"desc":"With this function, the system displays the lock waits generated before the DML operations on the database in real time. With these waits, you can quickly locate the sess",
+		"product_code":"das",
+		"title":"InnoDB Locks",
+		"uri":"das_05_0042.html",
+		"doc_type":"usermanual",
+		"p_code":"256",
+		"code":"257"
+	},
+	{
+		"desc":"Metadata locks (MDLs) are used to ensure consistency between DDL and DML operations. Usually, DDL operations require MDL write locks. Once a DML lock occurs, it can have ",
+		"product_code":"das",
+		"title":"Metadata Locks",
+		"uri":"das_05_0043.html",
+		"doc_type":"usermanual",
+		"p_code":"256",
+		"code":"258"
+	},
+	{
+		"desc":"This feature is used to analyze and discover big transactions and the transactions that are not committed for a long time in the database.GaussDB(for MySQL) DB instances ",
+		"product_code":"das",
+		"title":"Historical Transactions",
+		"uri":"das_05_0044.html",
+		"doc_type":"usermanual",
+		"p_code":"256",
+		"code":"259"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"GaussDB(for openGauss) DB Instances",
+		"uri":"das_18_0096.html",
+		"doc_type":"usermanual",
+		"p_code":"209",
+		"code":"260"
+	},
+	{
+		"desc":"MySQL DB instances include RDS for MySQL and GaussDB(for MySQL) DB instances.",
+		"product_code":"das",
+		"title":"Function Overview",
+		"uri":"das_18_0025.html",
+		"doc_type":"usermanual",
+		"p_code":"260",
+		"code":"261"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Performance",
+		"uri":"das_18_0026.html",
+		"doc_type":"usermanual",
+		"p_code":"260",
+		"code":"262"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Instance Performance",
+		"uri":"das_18_0035.html",
+		"doc_type":"usermanual",
+		"p_code":"262",
+		"code":"263"
+	},
+	{
+		"desc":"Intelligent O&M allows you to view the performance of multiple metrics on a single instance so that you can compare the metric performance.",
+		"product_code":"das",
+		"title":"Single Node with Multiple Metrics",
+		"uri":"das_18_0034.html",
+		"doc_type":"usermanual",
+		"p_code":"262",
+		"code":"264"
+	},
+	{
+		"desc":"Intelligent O&M allows you to view the performance of the same metric on multiple instances so that you can compare the metric performance.",
+		"product_code":"das",
+		"title":"Multiple Nodes with Single Metric",
+		"uri":"das_18_0038.html",
+		"doc_type":"usermanual",
+		"p_code":"262",
+		"code":"265"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Sessions",
+		"uri":"das_18_0027.html",
+		"doc_type":"usermanual",
+		"p_code":"260",
+		"code":"266"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Real-Time sessions",
+		"uri":"das_18_0011.html",
+		"doc_type":"usermanual",
+		"p_code":"266",
+		"code":"267"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"FAQs",
+		"uri":"das_10_0001.html",
+		"doc_type":"usermanual",
+		"p_code":"",
+		"code":"268"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Product Consulting",
+		"uri":"das_10_0016.html",
+		"doc_type":"usermanual",
+		"p_code":"268",
+		"code":"269"
+	},
+	{
+		"desc":"SQL execution records will be saved on the management hosts of the DAS service.",
+		"product_code":"das",
+		"title":"Where Is SQL Execution Records Saved If I Enable This Function?",
+		"uri":"das_10_0039.html",
+		"doc_type":"usermanual",
+		"p_code":"269",
+		"code":"270"
+	},
+	{
+		"desc":"Enter postgres.",
+		"product_code":"das",
+		"title":"What Should I Enter in the Database Column to Log In to a PostgreSQL DB Instance on the DAS Console?",
+		"uri":"das_10_0020.html",
+		"doc_type":"usermanual",
+		"p_code":"269",
+		"code":"271"
+	},
+	{
+		"desc":"Currently, these functions are free of charge.",
+		"product_code":"das",
+		"title":"Will I Be Changed If I Enable Collect Metadata Periodically and Show Executed SQL Statements on the Add Login Page?",
+		"uri":"das_10_0040.html",
+		"doc_type":"usermanual",
+		"p_code":"269",
+		"code":"272"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Connection Management (Development Tool)",
+		"uri":"das_20_0033.html",
+		"doc_type":"usermanual",
+		"p_code":"268",
+		"code":"273"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"MySQL",
+		"uri":"das_20_0007.html",
+		"doc_type":"usermanual",
+		"p_code":"273",
+		"code":"274"
+	},
+	{
+		"desc":"Error message: Access denied for user 'user_name'@'100.xxx.xx.xx' (using password: YES)Error cause: The username or password of the RDS DB instance is incorrect.Solution:",
+		"product_code":"das",
+		"title":"RDS DB Instances",
+		"uri":"das_20_0100.html",
+		"doc_type":"usermanual",
+		"p_code":"274",
+		"code":"275"
+	},
+	{
+		"desc":"Error message: Access denied for user 'user_name'@'100.xxx.xx.xx' (using password: YES)Error cause: The username or password of the self-built database on the ECS is inco",
+		"product_code":"das",
+		"title":"Self-Built Databases on ECSs",
+		"uri":"das_20_0101.html",
+		"doc_type":"usermanual",
+		"p_code":"274",
+		"code":"276"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Microsoft SQL Server",
+		"uri":"das_20_0056.html",
+		"doc_type":"usermanual",
+		"p_code":"273",
+		"code":"277"
+	},
+	{
+		"desc":"1. Error message: Login failed for user 'rdsuser'. ClientConnectionId:xxx.Error cause: The username or password of the RDS DB instance is incorrect.Solution: Ensure that ",
+		"product_code":"das",
+		"title":"RDS DB Instances",
+		"uri":"das_20_0050.html",
+		"doc_type":"usermanual",
+		"p_code":"277",
+		"code":"278"
+	},
+	{
+		"desc":"1. Error message: The TCP/IP connection to the host 100.xxx.xx.xx, port xxx has failed.Error cause: The port number of the self-built database is incorrect, or the networ",
+		"product_code":"das",
+		"title":"Self-Built Databases on ECSs",
+		"uri":"das_20_0051.html",
+		"doc_type":"usermanual",
+		"p_code":"277",
+		"code":"279"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"PostgreSQL",
+		"uri":"das_20_0034.html",
+		"doc_type":"usermanual",
+		"p_code":"273",
+		"code":"280"
+	},
+	{
+		"desc":"1. Error message: FATAL: Invalid username/password,login denied.Error cause: The username or password of the RDS DB instance is incorrect.Solution: Check whether the user",
+		"product_code":"das",
+		"title":"RDS DB Instances",
+		"uri":"das_20_0099.html",
+		"doc_type":"usermanual",
+		"p_code":"280",
+		"code":"281"
+	},
+	{
+		"desc":"1. Error message: Connection refused (Connection refused).Error cause: The port number of the self-built database is incorrect, or the network is disconnected.Solution: E",
+		"product_code":"das",
+		"title":"Self-Built Databases on ECSs",
+		"uri":"das_20_0098.html",
+		"doc_type":"usermanual",
+		"p_code":"280",
+		"code":"282"
+	},
+	{
+		"desc":"Error message: Command failed with error 18 (AuthenticationFailed): 'Authentication failed.' on server xxx.xxx.xx.xx:xxxx. The full response is { 'ok' : 0.0, 'errmsg' : \"",
+		"product_code":"das",
+		"title":"DDS",
+		"uri":"das_20_0035.html",
+		"doc_type":"usermanual",
+		"p_code":"273",
+		"code":"283"
+	},
+	{
+		"desc":"Error message: Access denied for user 'user_name'@'100.xxx.xx.xx' (using password: YES).Error cause: The username or password of the GaussDB(for MySQL) DB instance is inc",
+		"product_code":"das",
+		"title":"GaussDB(for MySQL)",
+		"uri":"das_20_0036.html",
+		"doc_type":"usermanual",
+		"p_code":"273",
+		"code":"284"
+	},
+	{
+		"desc":"1. Error message: FATAL: Invalid username/password,login denied.Error cause: The username or password of the GaussDB(for openGauss) DB instance is incorrect.Check whether",
+		"product_code":"das",
+		"title":"GaussDB(for openGauss)",
+		"uri":"das_20_0037.html",
+		"doc_type":"usermanual",
+		"p_code":"273",
+		"code":"285"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Reference",
+		"uri":"das_20_0038.html",
+		"doc_type":"usermanual",
+		"p_code":"273",
+		"code":"286"
+	},
+	{
+		"desc":"Recommended configuration: Select TCP for Protocol & Port, enter the port number of the self-built database, and set the source to 100.0.0.0/8 or 0.0.0.0/0.Recommended co",
+		"product_code":"das",
+		"title":"Modifying ECS Security Group Rules",
+		"uri":"das_20_0028.html",
+		"doc_type":"usermanual",
+		"p_code":"286",
+		"code":"287"
+	},
+	{
+		"desc":"The port next to --dport indicates the port that can be accessed.Perform the following operations to ensure that the port can be accessed:Add an iptables rule to allow ac",
+		"product_code":"das",
+		"title":"Modifying Firewall Rules",
+		"uri":"das_20_0029.html",
+		"doc_type":"usermanual",
+		"p_code":"286",
+		"code":"288"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Usage",
+		"uri":"das_10_0017.html",
+		"doc_type":"usermanual",
+		"p_code":"268",
+		"code":"289"
+	},
+	{
+		"desc":"CSV files exported from DAS are encoded in UTF-8, whereas Excel files are encoded in ANSI. Encoding inconsistency resulted in garbled characters.You are advised to open t",
+		"product_code":"das",
+		"title":"What Can I Do If Garbled Characters Are Displayed in the Exported Database Result Set?",
+		"uri":"das_10_0013.html",
+		"doc_type":"usermanual",
+		"p_code":"289",
+		"code":"290"
+	},
+	{
+		"desc":"After operations are performed on a third-party client, refresh the DAS console to view the generated data.",
+		"product_code":"das",
+		"title":"What Are the Precautions for Connecting DAS to a Third-Party Client?",
+		"uri":"das_10_0029.html",
+		"doc_type":"usermanual",
+		"p_code":"289",
+		"code":"291"
+	},
+	{
+		"desc":"The username and password for adding a login are those used for creating the DB instance.",
+		"product_code":"das",
+		"title":"What Are the Username and Password for DAS?",
+		"uri":"das_10_0004.html",
+		"doc_type":"usermanual",
+		"p_code":"289",
+		"code":"292"
+	},
+	{
+		"desc":"The possible cause is that the instance load is heavy. As a result, the table data collection on DAS times out. You are advised to kill a thread and perform the operation",
+		"product_code":"das",
+		"title":"What Should I Do If Table Obtaining Times Out?",
+		"uri":"das_10_0019.html",
+		"doc_type":"usermanual",
+		"p_code":"289",
+		"code":"293"
+	},
+	{
+		"desc":"DAS does not support the SQL Server modification on the GUI. You can run commands to implement the modification.Go to the SQL Window page of the database and run the foll",
+		"product_code":"das",
+		"title":"How Do I Modify the Collation?",
+		"uri":"das_10_0022.html",
+		"doc_type":"usermanual",
+		"p_code":"289",
+		"code":"294"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Product Consulting",
+		"uri":"das_17_0041.html",
+		"doc_type":"usermanual",
+		"p_code":"268",
+		"code":"295"
+	},
+	{
+		"desc":"This mechanism is used to prevent excessive permissions that may so that data security can be ensured.",
+		"product_code":"das",
+		"title":"Why Can't I Have Three Types of Permissions at the Same Time in an Approval Process?",
+		"uri":"das_10_0031.html",
+		"doc_type":"usermanual",
+		"p_code":"295",
+		"code":"296"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"How Are the SQL Statements Classified?",
+		"uri":"das_10_0032.html",
+		"doc_type":"usermanual",
+		"p_code":"295",
+		"code":"297"
+	},
+	{
+		"desc":"The following can be configured for both instances and databases:DBA and ownerSecurity control items (single query of rows returned in the SQL window and whether DDL and ",
+		"product_code":"das",
+		"title":"What Are the Differences Between Instance and Database Settings?",
+		"uri":"das_10_0033.html",
+		"doc_type":"usermanual",
+		"p_code":"295",
+		"code":"298"
+	},
+	{
+		"desc":"A global OBS bucket is used to store data backup and data export files generated by all the data change and export service tickets.",
+		"product_code":"das",
+		"title":"What Can a Global OBS Bucket Do?",
+		"uri":"das_10_0038.html",
+		"doc_type":"usermanual",
+		"p_code":"295",
+		"code":"299"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Usage",
+		"uri":"das_17_0042.html",
+		"doc_type":"usermanual",
+		"p_code":"268",
+		"code":"300"
+	},
+	{
+		"desc":"On the management console, choose Service List > Management & Governance > Identity and Access Management. On the displayed page, select Permissions and click Create Cust",
+		"product_code":"das",
+		"title":"How Do I Grant Only the Permission to Use DAS to an IAM User?",
+		"uri":"das_10_0030.html",
+		"doc_type":"usermanual",
+		"p_code":"300",
+		"code":"301"
+	},
+	{
+		"desc":"To set DBAs or owners, access an enterprise on the Enterprise Edition. Then choose System Management > Instance Management. On the displayed page, locate the target insta",
+		"product_code":"das",
+		"title":"How Do I Modify Permission, Security, and Approval Process Settings of Synchronized Databases in Batches?",
+		"uri":"das_10_0034.html",
+		"doc_type":"usermanual",
+		"p_code":"300",
+		"code":"302"
+	},
+	{
+		"desc":"Right-click on the tab page name and click Refresh",
+		"product_code":"das",
+		"title":"How Do I Refresh Only a Tab Page Instead of the Entire Browser Page?",
+		"uri":"das_10_0037.html",
+		"doc_type":"usermanual",
+		"p_code":"300",
+		"code":"303"
+	},
+	{
+		"desc":"HUAWEI CLOUD Help Center presents technical documents to help you quickly get started with HUAWEI CLOUD services. The technical documents include Service Overview, Price Details, Purchase Guide, User Guide, API Reference, Best Practices, FAQs, and Videos.",
+		"product_code":"das",
+		"title":"Change History",
+		"uri":"das_change_history_0004.html",
+		"doc_type":"usermanual",
+		"p_code":"",
+		"code":"304"
+	}
+]
\ No newline at end of file
diff --git a/docs/das/umn/PARAMETERS.txt b/docs/das/umn/PARAMETERS.txt
new file mode 100644
index 00000000..6da8d5f0
--- /dev/null
+++ b/docs/das/umn/PARAMETERS.txt
@@ -0,0 +1,3 @@
+version=""
+language="en-us"
+type=""
\ No newline at end of file
diff --git a/docs/das/umn/das_01_0001.html b/docs/das/umn/das_01_0001.html
new file mode 100644
index 00000000..0f5608b2
--- /dev/null
+++ b/docs/das/umn/das_01_0001.html
@@ -0,0 +1,15 @@
+<a name="das_01_0001"></a><a name="das_01_0001"></a>
+
+<h1 class="topictitle1">Service Overview</h1>
+<div id="body35717517"></div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_01_0002.html">What Is Data Admin Service?</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_01_0005.html">Basic Concepts</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_01_0008.html">Advantages</a></strong><br>
+</li>
+</ul>
+</div>
+
diff --git a/docs/das/umn/das_01_0002.html b/docs/das/umn/das_01_0002.html
new file mode 100644
index 00000000..72887a51
--- /dev/null
+++ b/docs/das/umn/das_01_0002.html
@@ -0,0 +1,11 @@
+<a name="das_01_0002"></a><a name="das_01_0002"></a>
+
+<h1 class="topictitle1">What Is Data Admin Service?</h1>
+<div id="body1508830990967"><p id="das_01_0002__p4981175485915">Data Admin Service (DAS) is a one-stop cloud database management platform that allows you to manage databases on a web console. It offers database development, O&amp;M, intelligent diagnosis, and enterprise-level DevOps, making it easy to use and maintain your databases. DAS provides a best-in-class experience. With it, you do not need to install a local client for visualized operations. In addition, diverse database development functions are available, including data and table structure synchronization, online editing, and intelligent prompts for SQL input.</p>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_01_0001.html">Service Overview</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_01_0005.html b/docs/das/umn/das_01_0005.html
new file mode 100644
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--- /dev/null
+++ b/docs/das/umn/das_01_0005.html
@@ -0,0 +1,14 @@
+<a name="das_01_0005"></a><a name="das_01_0005"></a>
+
+<h1 class="topictitle1">Basic Concepts</h1>
+<div id="body1481013440635"><div class="section" id="das_01_0005__section83635424598"><h4 class="sectiontitle">Connection Address</h4><p id="das_01_0005__p595214611593">An IP address, which is used for the DAS service to connect to databases.</p>
+</div>
+<div class="section" id="das_01_0005__section19774657164618"><h4 class="sectiontitle">Metadata Collection</h4><p id="das_01_0005__p4998142592419">DAS periodically collects the metadata of DB instance databases, tables, and fields and stores the collected data in the DAS database.</p>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_01_0001.html">Service Overview</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_01_0008.html b/docs/das/umn/das_01_0008.html
new file mode 100644
index 00000000..239d492f
--- /dev/null
+++ b/docs/das/umn/das_01_0008.html
@@ -0,0 +1,19 @@
+<a name="das_01_0008"></a><a name="das_01_0008"></a>
+
+<h1 class="topictitle1">Advantages</h1>
+<div id="body1523189269721"><p id="das_01_0008__p11560115201610">DAS supports different types of DB instances, such as GaussDB(for openGauss), GaussDB(for MySQL), and GaussDB(for Cassandra). It provides visual GUI operations, making your database management easy and efficient.</p>
+<div class="section" id="das_01_0008__section13743025318"><h4 class="sectiontitle">Anytime, Anywhere</h4><p id="das_01_0008__p0485182142310">A DAS web console frees you from installing clients locally and supports access anytime, anywhere.</p>
+</div>
+<div class="section" id="das_01_0008__section15988324314"><h4 class="sectiontitle">Kernel Source Code Optimization</h4><p id="das_01_0008__p187831522202418">The kernel is optimized and enhanced to support functions such as emergent database O&amp;M and SQL explorer, to resolve O&amp;M pain points.</p>
+</div>
+<div class="section" id="das_01_0008__section4171015414"><h4 class="sectiontitle">Secure Operations</h4><p id="das_01_0008__p05701257259">Built-in security mechanisms guarantee stability of your databases so you can worry less about security and stay focused on operations. For example, if a user executes a slow SQL statement, DAS automatically uses a timeout mechanism to protect databases against jitter caused by long execution time.</p>
+</div>
+<div class="section" id="das_01_0008__section161006246512"><h4 class="sectiontitle">Robust Features</h4><p id="das_01_0008__p4781181915271">With DAS, a wide range of features are available for you to choose from, such as binlog-based data tracking and rollback, SQL statement diagnosis, scheduled SQL task execution, up to 10 GB SQL file import and export, and cross-instance database table structure synchronization. DAS, currently, supports only GaussDB(for openGauss) databases.</p>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_01_0001.html">Service Overview</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_02_0000.html b/docs/das/umn/das_02_0000.html
new file mode 100644
index 00000000..4728ff7c
--- /dev/null
+++ b/docs/das/umn/das_02_0000.html
@@ -0,0 +1,13 @@
+<a name="das_02_0000"></a><a name="das_02_0000"></a>
+
+<h1 class="topictitle1">Getting Started</h1>
+<div id="body1602471999448"></div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_02_0002.html">Intelligent O&amp;M</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_02_0006.html">Data Management</a></strong><br>
+</li>
+</ul>
+</div>
+
diff --git a/docs/das/umn/das_02_0002.html b/docs/das/umn/das_02_0002.html
new file mode 100644
index 00000000..4c5c079d
--- /dev/null
+++ b/docs/das/umn/das_02_0002.html
@@ -0,0 +1,19 @@
+<a name="das_02_0002"></a><a name="das_02_0002"></a>
+
+<h1 class="topictitle1">Intelligent O&amp;M</h1>
+<div id="body1602472381090"></div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_02_0003.html">Overview</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_02_0004.html">Step 1: Log In to DAS</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_02_0005.html">Step 2: Switch to Intelligent O&amp;M</a></strong><br>
+</li>
+</ul>
+
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_02_0000.html">Getting Started</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_02_0003.html b/docs/das/umn/das_02_0003.html
new file mode 100644
index 00000000..3f4cd405
--- /dev/null
+++ b/docs/das/umn/das_02_0003.html
@@ -0,0 +1,18 @@
+<a name="das_02_0003"></a><a name="das_02_0003"></a>
+
+<h1 class="topictitle1">Overview</h1>
+<div id="body1602474188722"><div class="section" id="das_02_0003__section159564611233"><h4 class="sectiontitle">Scenarios</h4><p id="das_02_0003__p549241782515"></p>
+<p id="das_02_0003__p17133173362012">This section describes how to monitor DB instances using Intelligent O&amp;M.</p>
+</div>
+<div class="section" id="das_02_0003__section491834114289"><h4 class="sectiontitle">Procedure</h4><p id="das_02_0003__p12120114172918">Perform the following operations to monitor databases with Intelligent O&amp;M.</p>
+<p id="das_02_0003__p756352113272"><a href="das_02_0004.html">Step 1: Log In to DAS</a></p>
+<p id="das_02_0003__p1356412142711"><a href="das_02_0005.html">Step 2: Switch to Intelligent O&amp;M</a></p>
+<div class="fignone" id="das_02_0003__fig498610364514"><span class="figcap"><b>Figure 1 </b>Intelligent O&amp;M process</span><br><span><img class="eddx" id="das_02_0003__image1448168174213" src="en-us_image_0000001388191653.png"></span></div>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_02_0002.html">Intelligent O&amp;M</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_02_0004.html b/docs/das/umn/das_02_0004.html
new file mode 100644
index 00000000..17ababdb
--- /dev/null
+++ b/docs/das/umn/das_02_0004.html
@@ -0,0 +1,12 @@
+<a name="das_02_0004"></a><a name="das_02_0004"></a>
+
+<h1 class="topictitle1">Step 1: Log In to DAS</h1>
+<div id="body1602474188722"><div class="section" id="das_02_0004__section1999419268388"><h4 class="sectiontitle">Procedure</h4><ol id="das_02_0004__ol3408152913530"><li id="das_02_0004__li1087344912452"><span>On the login page, enter the account and password to log in to the DAS console.</span></li><li id="das_02_0004__li16874849154518"><span>Click <span><img id="das_02_0004__image187519493456" src="en-us_image_0000001387911589.png"></span> in the upper left corner and select the required region and project.</span></li><li id="das_02_0004__li19015538311"><span>Click <span><img id="das_02_0004__image96758393138" src="en-us_image_0000001337591616.png"></span> in the upper left corner, and under <strong id="das_02_0004__b2770834102413">Database</strong>, click <strong id="das_02_0004__b1077143472412">Data Admin Service</strong>.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_02_0002.html">Intelligent O&amp;M</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_02_0005.html b/docs/das/umn/das_02_0005.html
new file mode 100644
index 00000000..15fb0bc5
--- /dev/null
+++ b/docs/das/umn/das_02_0005.html
@@ -0,0 +1,22 @@
+<a name="das_02_0005"></a><a name="das_02_0005"></a>
+
+<h1 class="topictitle1">Step 2: Switch to Intelligent O&amp;M</h1>
+<div id="body1602474188722"><div class="section" id="das_02_0005__section6154102194111"><h4 class="sectiontitle">Procedure</h4><ol id="das_02_0005__ol1719683320393"><li id="das_02_0005__li9196833153913"><span>In the navigation pane, choose <strong id="das_02_0005__b11538163620146">Intelligent O&amp;M</strong>, on the <strong id="das_02_0005__b191371652151414">Instance Overview</strong> page, click <strong id="das_02_0005__b1549695113442">Synchronize Instances</strong> and then click <strong id="das_02_0005__b201111194610">Refresh</strong>.</span><p><div class="note" id="das_02_0005__note19190857101712"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="das_02_0005__p1319017577172">Instance synchronization is an asynchronous process, which takes several minutes.</p>
+</div></div>
+</p></li><li id="das_02_0005__li1348642954119"><span>Locate the instance you want to view and click <strong id="das_02_0005__b176910196165">Details</strong>.</span><p><div class="note" id="das_02_0005__note14254182016347"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="das_02_0005__p10254192015341">This section uses SQL Explorer as an example. For details about how to use each metric, see "Intelligent O&amp;M for RDS for MySQL".</p>
+</div></div>
+</p></li><li id="das_02_0005__li2919192914610"><span>On the displayed page, choose <strong id="das_02_0005__b737515113192">SQL</strong> &gt; <strong id="das_02_0005__b10869125819184">SQL Explorer</strong>.</span><p><div class="note" id="das_02_0005__note11118105511572"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="das_02_0005__ul13168191365915"><li id="das_02_0005__li1116891345915"><strong id="das_02_0005__b1356233731915">Enable DAS SQL Explorer</strong> must be enabled so that the system can collect and analyze full SQL statements.</li><li id="das_02_0005__li516811316598">With <strong id="das_02_0005__b19987522155820">Enable DAS SQL Explorer</strong> enabled, the instance performance loss is within 5%.</li></ul>
+</div></div>
+</p></li><li id="das_02_0005__li1314216592544"><span>Click the <strong id="das_02_0005__b11766743152415">SQL Statements</strong> tab.</span><p><div class="note" id="das_02_0005__note737441217569"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="das_02_0005__ul1871413327313"><li id="das_02_0005__li2071412321935">A maximum of 10,000 data records can be displayed on the <strong id="das_02_0005__b114114140309">SQL Statements</strong> tab page. To view more records, export the records for view. Columns such as execution duration, elapsed time, scanned rows, and lock wait are also provided. Additionally, SQL statements can be searched by multiple dimensions, including keyword, time range, and number of updated rows.</li><li id="das_02_0005__li9874181592418">To view more records, click <span class="uicontrol" id="das_02_0005__uicontrol1188313151244"><b>Export</b></span> to create an export task. Click <strong id="das_02_0005__b139974308268">Export History</strong> to check whether the export task succeeded.</li><li id="das_02_0005__li5715332230">After the export succeeded, download the file and view the records on the local PC.</li></ul>
+</div></div>
+</p></li><li id="das_02_0005__li9434827195116"><span>Click the <strong id="das_02_0005__b18704154913346">SQL Templates</strong> tab.</span><p><div class="note" id="das_02_0005__note61410471474"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="das_02_0005__ul192156265912"><li id="das_02_0005__li132151326699">By default, the SQL statement executions in the last 1 hour are displayed. You can also specify a time range as needed. Columns such as average duration, total duration, total executions, and average scanned rows are provided.</li></ul>
+</div></div>
+</p></li><li id="das_02_0005__li11216122615911"><span>Click <strong id="das_02_0005__b18206192217396">Details</strong> in the <strong id="das_02_0005__b72213326396">Operation</strong> column to view the SQL template details.</span></li><li id="das_02_0005__li0105135421314"><span>Click the <strong id="das_02_0005__b10457133718489">SQL Statement Types</strong> tab.</span></li><li id="das_02_0005__li1852411285159"><span>Click <strong id="das_02_0005__b1529318258314">Details</strong> in the <strong id="das_02_0005__b12934255318">Operation</strong> column to view SQL details.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_02_0002.html">Intelligent O&amp;M</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_02_0006.html b/docs/das/umn/das_02_0006.html
new file mode 100644
index 00000000..d167065e
--- /dev/null
+++ b/docs/das/umn/das_02_0006.html
@@ -0,0 +1,23 @@
+<a name="das_02_0006"></a><a name="das_02_0006"></a>
+
+<h1 class="topictitle1">Data Management</h1>
+<div id="body1602472381091"></div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_02_0007.html">Overview</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_02_0011.html">Step 1: Log In to DAS</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_02_0012.html">Step 2: Add Database Login Information</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_02_0008.html">Step 3: Log In to a Database</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_02_0009.html">Step 4: Manage Data</a></strong><br>
+</li>
+</ul>
+
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_02_0000.html">Getting Started</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_02_0007.html b/docs/das/umn/das_02_0007.html
new file mode 100644
index 00000000..8a43eda7
--- /dev/null
+++ b/docs/das/umn/das_02_0007.html
@@ -0,0 +1,19 @@
+<a name="das_02_0007"></a><a name="das_02_0007"></a>
+
+<h1 class="topictitle1">Overview</h1>
+<div id="body1602474188722"><div class="section" id="das_02_0007__section159564611233"><h4 class="sectiontitle">Scenarios</h4><p id="das_02_0007__p17133173362012">This section describes how to manage data on the <strong id="das_02_0007__b03804733820">Database Management</strong> page.</p>
+</div>
+<div class="section" id="das_02_0007__section491834114289"><h4 class="sectiontitle">Procedure</h4><p id="das_02_0007__p12120114172918">Perform the following operations to manage data on the <strong id="das_02_0007__b16113645163716">Database Management</strong> page:</p>
+<p id="das_02_0007__p15689163012278"><a href="das_02_0011.html">Step 1: Log In to DAS</a></p>
+<p id="das_02_0007__p17689133092713"><a href="das_02_0012.html">Step 2: Add Database Login Information</a></p>
+<p id="das_02_0007__p36901030152720"><a href="das_02_0008.html">Step 3: Log In to a Database</a></p>
+<p id="das_02_0007__p17690133018276"><a href="das_02_0009.html">Step 4: Manage Data</a></p>
+<div class="fignone" id="das_02_0007__fig1680514614439"><span class="figcap"><b>Figure 1 </b>Data management operations</span><br><span><img class="eddx" id="das_02_0007__image11130102814463" src="en-us_image_0000001387791961.png"></span></div>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_02_0006.html">Data Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_02_0008.html b/docs/das/umn/das_02_0008.html
new file mode 100644
index 00000000..9dd92577
--- /dev/null
+++ b/docs/das/umn/das_02_0008.html
@@ -0,0 +1,13 @@
+<a name="das_02_0008"></a><a name="das_02_0008"></a>
+
+<h1 class="topictitle1">Step 3: Log In to a Database</h1>
+<div id="body1602474188722"><div class="section" id="das_02_0008__section1229413312270"><h4 class="sectiontitle">Database Management</h4><ol id="das_02_0008__ol14355184634713"><li id="das_02_0008__li15222747195011"><span>In the navigation pane on the left of the DAS console, choose <strong id="das_02_0008__b7155015761">Development Tool</strong> to go to the login list page.</span><p><p id="das_02_0008__p6326144162210"></p>
+</p></li><li id="das_02_0008__li1713110213493"><span>Choose <strong id="das_02_0008__b11891122191317">RDS DB instances</strong> and <strong id="das_02_0008__b7896102191311">MySQL</strong> from the drop-down lists in the upper right corner.</span></li><li id="das_02_0008__li1850055811483"><span>Locate the MySQL DB instance you want to log in to and click <strong id="das_02_0008__b11542161853013">Log In</strong> in the <strong id="das_02_0008__b13547161818307">Operation</strong> column.</span></li><li id="das_02_0008__li1938110561728"><span>On the top menu bar, click <strong id="das_02_0008__b167474266325">Database Management</strong> and click <strong id="das_02_0008__b18879271338">Change</strong> to select a database you want to operate.</span></li><li id="das_02_0008__li44302073518"><span>Click the <strong id="das_02_0008__b622112413351">Objects</strong> tab to view objects such as tables, views, stored procedures, events, triggers, and functions.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_02_0006.html">Data Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_02_0009.html b/docs/das/umn/das_02_0009.html
new file mode 100644
index 00000000..f5854064
--- /dev/null
+++ b/docs/das/umn/das_02_0009.html
@@ -0,0 +1,22 @@
+<a name="das_02_0009"></a><a name="das_02_0009"></a>
+
+<h1 class="topictitle1">Step 4: Manage Data</h1>
+<div id="body1602474188722"><div class="section" id="das_02_0009__section5590424132518"><h4 class="sectiontitle">Table Management</h4><ol id="das_02_0009__ol1220671614257"><li id="das_02_0009__li86021233181516"><span>On the <strong id="das_02_0009__b1055521632918">Objects</strong> tab page, choose <strong id="das_02_0009__b7379113102912">Tables</strong>. Click <span class="uicontrol" id="das_02_0009__uicontrol3603113313156"><b>Create Table</b></span>. On the displayed page, enter a table name, select the storage engine, character set, and collation, enter the comment, and set advanced settings.</span></li><li id="das_02_0009__li764690131119"><span>Ensure the settings are correct and click <strong id="das_02_0009__b944192243814">Next</strong>. Then add table columns.</span></li><li id="das_02_0009__li5800181510167"><span>Click <strong id="das_02_0009__b15183141283514">Next</strong> and add virtual columns, indexes, and foreign keys.</span></li><li id="das_02_0009__li927052714258"><span>Click <strong id="das_02_0009__b895220193717">Create</strong>. In the <strong id="das_02_0009__b33203354373">SQL Preview</strong> dialog box, click <strong id="das_02_0009__b16985183753811">Back</strong> if there is any incorrect configuration, and click <strong id="das_02_0009__b1293572753819">Execute</strong> to create the table if all configurations are correct.</span></li></ol>
+</div>
+<div class="section" id="das_02_0009__section1837319203711"><h4 class="sectiontitle">View Management</h4><ol id="das_02_0009__ol6418435103714"><li id="das_02_0009__li16418635133713"><span>On the <strong id="das_02_0009__b12833122244013">Objects</strong> tab page, choose <strong id="das_02_0009__b1251110183404">Views</strong>. Click <span class="uicontrol" id="das_02_0009__uicontrol8418183593710"><b>Create View</b></span>. On the displayed page, enter a view name, select the security, check option, and algorithm, and set the definer and view definition statement.</span></li><li id="das_02_0009__li9419103593715"><span>Click <strong id="das_02_0009__b3719846104114">Create</strong>. On the <strong id="das_02_0009__b20724204614112">Confirm View Definition Script</strong> page, click <strong id="das_02_0009__b10725184610415">Back</strong> if there is something wrong, and click <strong id="das_02_0009__b107261546114116">Execute</strong> to create the view if everything is correct.</span></li></ol>
+</div>
+<div class="section" id="das_02_0009__section77951414425"><h4 class="sectiontitle">Stored Procedure Management</h4><ol id="das_02_0009__ol45813559422"><li id="das_02_0009__li20581855104218"><span>On the <strong id="das_02_0009__b249911561442">Objects</strong> tab page, choose <strong id="das_02_0009__b6558152124518">Stored Procedures</strong>. Click <strong id="das_02_0009__b1586714143468">Create Stored Procedure</strong>. On the displayed page, specify the name and description.</span></li><li id="das_02_0009__li2674658155016"><span>Ensure the settings are correct and click <strong id="das_02_0009__b125112124716">OK</strong>. The SQL preview page is displayed.</span></li><li id="das_02_0009__li544910114516"><span>Click <strong id="das_02_0009__b23061850184011">Option</strong> and configure the SQL security, determinacy, and data access.</span></li><li id="das_02_0009__li17032541916"><span>Ensure the settings are correct, and click <strong id="das_02_0009__b12963164618397">OK</strong> and then <strong id="das_02_0009__b18963184611394">Save</strong>. If you want to modify the SQL statement, click <strong id="das_02_0009__b154483785518">Cancel</strong> to go back to the SQL preview window.</span></li><li id="das_02_0009__li558214550428"><span>Click <strong id="das_02_0009__b5241840154117">Execute</strong> to create a stored procedure.</span></li></ol>
+</div>
+<div class="section" id="das_02_0009__section46139135515"><h4 class="sectiontitle">Event Management</h4><ol id="das_02_0009__ol397820135510"><li id="das_02_0009__li297142011556"><span>On the <strong id="das_02_0009__b18637155716180">Objects</strong> tab page, choose <strong id="das_02_0009__b43291152181814">Events</strong>. Click <strong id="das_02_0009__b147801162204">Create Event</strong>. On the displayed page, enter an event name, set the status and execution time, and enter the comment and event definition statements.</span></li><li id="das_02_0009__li20391534195918"><span>Click <strong id="das_02_0009__b15178192122414">Create</strong>. On the <strong id="das_02_0009__b191799262416">Confirm View Definition Script</strong> page, click <strong id="das_02_0009__b15180162112415">Back</strong> if there is something wrong, and click <strong id="das_02_0009__b3180102142420">Execute</strong> to create the event if everything is correct.</span></li></ol>
+</div>
+<div class="section" id="das_02_0009__section18403148636"><h4 class="sectiontitle">Trigger Management</h4><ol id="das_02_0009__ol1739127639"><li id="das_02_0009__li274019271635"><span>On the <strong id="das_02_0009__b734674814230">Objects</strong> tab page, choose <strong id="das_02_0009__b2039705010236">Triggers</strong>. Click <strong id="das_02_0009__b139361637144411">Create Trigger</strong>. On the displayed page, enter a trigger name, select the trigger table, trigger condition, and trigger event, and enter the trigger definition statement.</span></li><li id="das_02_0009__li1574111279310"><span>Click <strong id="das_02_0009__b2501151182414">Create</strong>. On the <strong id="das_02_0009__b9591451122412">Confirm View Definition Script</strong> page, click <strong id="das_02_0009__b05965118246">Back</strong> if there is something wrong, and click <strong id="das_02_0009__b1559251172413">Execute</strong> to create the trigger if everything is correct.</span></li></ol>
+</div>
+<div class="section" id="das_02_0009__section18867144318617"><h4 class="sectiontitle">Function Management</h4><ol id="das_02_0009__ol1311812417713"><li id="das_02_0009__li3118144576"><span>On the <strong id="das_02_0009__b11345309294">Objects</strong> tab page, choose <strong id="das_02_0009__b1054324111295">Functions</strong>. Click <strong id="das_02_0009__b113272093014">Create Function</strong>. On the displayed page, enter a function name and set the returned value type and description.</span></li><li id="das_02_0009__li91191244710"><span>Ensure the settings are correct and click <strong id="das_02_0009__b17671118143013">OK</strong>. The SQL preview page is displayed.</span></li><li id="das_02_0009__li171191642074"><span>Click <strong id="das_02_0009__b1776113719300">Option</strong> and configure the SQL security, determinacy, and data access.</span></li><li id="das_02_0009__li11191641072"><span>Ensure the settings are correct, and click <strong id="das_02_0009__b44451659103017">OK</strong> and then <strong id="das_02_0009__b1045015919301">Save</strong>. If you want to modify the SQL statements, click <strong id="das_02_0009__b453583561">Cancel</strong> to go back to the SQL preview window. Then click <strong id="das_02_0009__b6692191133120">Execute</strong> to create the function.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_02_0006.html">Data Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_02_0011.html b/docs/das/umn/das_02_0011.html
new file mode 100644
index 00000000..649362fd
--- /dev/null
+++ b/docs/das/umn/das_02_0011.html
@@ -0,0 +1,12 @@
+<a name="das_02_0011"></a><a name="das_02_0011"></a>
+
+<h1 class="topictitle1">Step 1: Log In to DAS</h1>
+<div id="body1603779629289"><div class="section" id="das_02_0011__section1999419268388"><h4 class="sectiontitle">Procedure</h4><ol id="das_02_0011__ol3408152913530"><li id="das_02_0011__li1087344912452"><span>On the login page, enter the account and password to log in to the management console.</span></li><li id="das_02_0011__li16874849154518"><span>Click <span><img id="das_02_0011__image187519493456" src="en-us_image_0000001337591560.png"></span> in the upper left corner and select the desired region and project.</span></li><li id="das_02_0011__li19015538311"><span>Click <span><img id="das_02_0011__image96758393138" src="en-us_image_0000001387911537.png"></span> in the upper left corner, and under <strong id="das_02_0011__b148490213435">Database</strong>, click <strong id="das_02_0011__b38506210437">Data Admin Service</strong>.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_02_0006.html">Data Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_02_0012.html b/docs/das/umn/das_02_0012.html
new file mode 100644
index 00000000..9cc94b3f
--- /dev/null
+++ b/docs/das/umn/das_02_0012.html
@@ -0,0 +1,17 @@
+<a name="das_02_0012"></a><a name="das_02_0012"></a>
+
+<h1 class="topictitle1">Step 2: Add Database Login Information</h1>
+<div id="body1603779629289"><div class="section" id="das_02_0012__section2487181111813"><h4 class="sectiontitle">Scenarios</h4><ul id="das_02_0012__ul6297154154019"><li id="das_02_0012__li202972484014">With DAS, you can create logins to manage databases using a GUI.</li><li id="das_02_0012__li172981416400">This section uses an RDS DB instance as an example to describe how to add a database login. </li></ul>
+</div>
+<div class="section" id="das_02_0012__section2097285612378"><h4 class="sectiontitle">Adding RDS DB Instance Login Information</h4><ol id="das_02_0012__ol16873134914510"><li id="das_02_0012__li484342497"><span>In the navigation pane on the left of the DAS console, choose <strong id="das_02_0012__b951315325513">Development Tool</strong> to go to the login list page.</span></li><li id="das_02_0012__li98699232543"><span>Click <strong id="das_02_0012__b786231019564">Add Login</strong>.</span></li><li id="das_02_0012__li946121155013"><span>On the displayed page, select the DB engine, source database, and target DB instance, enter the login username, password, and description (optional), and enable <strong id="das_02_0012__b12581820135816">Collect Metadata Periodically</strong> and <strong id="das_02_0012__b205922013589">Show Executed SQL Statements</strong>.</span></li><li id="das_02_0012__li13134125011116"><span><span id="das_02_0012__text33391405129">Test the connection as needed. If a message indicating that the connection failed is displayed, modify the connection according to the failure causes contained in the message.</span></span><p><div class="note" id="das_02_0012__note313413504115"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="das_02_0012__ul13134135017110"><li id="das_02_0012__li613410506116">The username and password required for adding the login are the database username and password.</li><li id="das_02_0012__li813413505117">To delete a password, you can modify or delete the login information.</li><li id="das_02_0012__li11566145183915">You are advised to enable <strong id="das_02_0012__b1661216232214">Collect Metadata Periodically</strong>. If it is disabled, DAS obtains only the structured data from databases in real time, and the performance of databases is affected.<p id="das_02_0012__p1289111154196">The collection time cannot be customized. Once <strong id="das_02_0012__b108451391237">Collect Metadata Periodically</strong> is enabled, DAS automatically collects metadata at 20:00 every day (UTC time). If you are not using a UTC time, convert the time according to your local time zone. You can also click <strong id="das_02_0012__b2741937519">Collect Now</strong> to collect metadata at any time you want.</p>
+</li><li id="das_02_0012__li79919406266">You are advised to enable <strong id="das_02_0012__b893114623215">Show Executed SQL Statements</strong>. With it enabled, you can view the executed SQL statements under <strong id="das_02_0012__b2936136183217">SQL Operations</strong> &gt; <strong id="das_02_0012__b1693676133214">SQL History</strong> and execute them again without entering the SQL statements.</li></ul>
+</div></div>
+</p></li><li id="das_02_0012__li77831545112"><span>Click <span class="uicontrol" id="das_02_0012__uicontrol71012983212"><b>OK</b></span>.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_02_0006.html">Data Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_03_0002.html b/docs/das/umn/das_03_0002.html
new file mode 100644
index 00000000..d71a6d06
--- /dev/null
+++ b/docs/das/umn/das_03_0002.html
@@ -0,0 +1,19 @@
+<a name="das_03_0002"></a><a name="das_03_0002"></a>
+
+<h1 class="topictitle1">Adding Login Information</h1>
+<div id="body1525999517192"><div class="section" id="das_03_0002__section2487181111813"><h4 class="sectiontitle">Scenarios</h4><p id="das_03_0002__p1623722592714">This section describes how to add database login information so that you can log in to a database for visualized data management operations.</p>
+<div class="note" id="das_03_0002__note897103573915"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="das_03_0002__ul1241511161931"><li id="das_03_0002__li10287143903917">If you have not logged in to a DB instance through the created login over a year, the system automatically clears all information, including the saved password, of this login.</li><li id="das_03_0002__li1787554812417">You can log in to the same database either on the DAS console or using other clients. Both methods do not affect each other.</li><li id="das_03_0002__li19151956161514">DAS allows you to manage DB instances of different types of engines. An RDS MySQL DB instance is used in the following example.</li></ul>
+</div></div>
+</div>
+<div class="section" id="das_03_0002__section11731353152813"><h4 class="sectiontitle">Adding Login Information for RDS DB Instances</h4><ol id="das_03_0002__ol16873134914510"><li id="das_03_0002__li484342497"><span>In the navigation pane on the left of the DAS console, choose <strong id="das_03_0002__b5487103211012">Development Tool</strong> to go to the login list page.</span></li><li id="das_03_0002__li98699232543"><span>Click <strong id="das_03_0002__b71212467911">Add Login</strong>.</span></li><li id="das_03_0002__li946121155013"><span>On the displayed page, select the DB engine, source database, and target DB instance, enter the login username, password, and description (optional), and enable <strong id="das_03_0002__b360715334174">Collect Metadata Periodically</strong> and <strong id="das_03_0002__b1160833314178">Show Executed SQL Statements</strong>.</span><p><div class="note" id="das_03_0002__note313413504115"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="das_03_0002__ul13134135017110"><li id="das_03_0002__li1761919371228">After you specify <strong id="das_03_0002__b7392152514397">Source Database</strong>, the system automatically lists all the DB instances from this source under the current account.</li><li id="das_03_0002__li613410506116">The username and password required for adding the login are the database username and password.</li><li id="das_03_0002__li813413505117">To delete the password, you can modify or delete the login.</li><li id="das_03_0002__li11566145183915">You are advised to enable <strong id="das_03_0002__b954365119139">Collect Metadata Periodically</strong>. If it is disabled, DAS obtains only the structured data from databases in real time, and the performance of databases is affected.<p id="das_03_0002__p1289111154196">The collection time cannot be customized. Once <strong id="das_03_0002__b71451153142">Collect Metadata Periodically</strong> is enabled, DAS automatically collects metadata at 20:00 every day (UTC time). If you are not using a UTC time, convert the time according to your local time zone. You can also click <strong id="das_03_0002__b15429176143">Collect Now</strong> to collect metadata at any time you want.</p>
+</li><li id="das_03_0002__li79919406266">You are advised to enable <strong id="das_03_0002__b359517447408">Show Executed SQL Statements</strong>. With it enabled, you can view the executed SQL statements under <strong id="das_03_0002__b20602144416401">SQL Operations</strong> &gt; <strong id="das_03_0002__b760364424012">SQL History</strong> and execute them again without entering the SQL statements.</li></ul>
+</div></div>
+</p></li><li id="das_03_0002__li46621214195511"><span><span id="das_03_0002__text7697920185515">Test the connection as needed. If a message indicating that the connection failed is displayed, modify the connection according to the failure causes contained in the message.</span></span></li><li id="das_03_0002__li77831545112"><span>Click <span class="uicontrol" id="das_03_0002__uicontrol977564864018"><b>OK</b></span>.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_20_0011.html">User Guide</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_03_0003.html b/docs/das/umn/das_03_0003.html
new file mode 100644
index 00000000..a4e5ee19
--- /dev/null
+++ b/docs/das/umn/das_03_0003.html
@@ -0,0 +1,16 @@
+<a name="das_03_0003"></a><a name="das_03_0003"></a>
+
+<h1 class="topictitle1">Logging In to a Database</h1>
+<div id="body1526004532266"><div class="section" id="das_03_0003__section2487181111813"><h4 class="sectiontitle">Scenarios</h4><p id="das_03_0003__p45111263111821">On the DAS console, log in to a DB instance for database operations and management.</p>
+</div>
+<div class="section" id="das_03_0003__section021811112114"><h4 class="sectiontitle">Procedure</h4><ol id="das_03_0003__ol04911352237"><li id="das_03_0003__li159645042310"><span>Log in to the DAS console.</span></li><li id="das_03_0003__li114913357231"><span>In the login list of Development Tool, locate the DB instance you want to log in to and click <strong id="das_03_0003__b1795565016161">Log In</strong> in the <strong id="das_03_0003__b18861125817161">Operation</strong> column.</span><p><p id="das_03_0003__p36756381408">Select an instance type to display your desired DB instances. RDS DB instances are used as an example.</p>
+<div class="fignone" id="das_03_0003__fig1361716211199"><span class="figcap"><b>Figure 1 </b>Database login list</span><br><span><img id="das_03_0003__image1861716217196" src="en-us_image_0000001337591416.png"></span></div>
+</p></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_20_0011.html">User Guide</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_03_0004.html b/docs/das/umn/das_03_0004.html
new file mode 100644
index 00000000..8382d4cc
--- /dev/null
+++ b/docs/das/umn/das_03_0004.html
@@ -0,0 +1,17 @@
+<a name="das_03_0004"></a><a name="das_03_0004"></a>
+
+<h1 class="topictitle1">Modifying Login Information</h1>
+<div id="body1526002940529"><div class="section" id="das_03_0004__section60461353162212"><h4 class="sectiontitle">Scenarios</h4><p id="das_03_0004__p27667840173352">DAS allows you to modify login information, such as username and password. You can also choose whether to remember password, or enable or disable periodic metadata collection.</p>
+</div>
+<div class="section" id="das_03_0004__section11731353152813"><h4 class="sectiontitle">Procedure</h4><ol id="das_03_0004__ol1434086115118"><li id="das_03_0004__li17480165933819"><span>In the login list of Development Tool, locate the DB instance for which you want to modify its login information and click <strong id="das_03_0004__b17468191311911">Modify</strong> in the <strong id="das_03_0004__b7468213699">Operation</strong> column.</span><p><div class="fignone" id="das_03_0004__fig760843072013"><span class="figcap"><b>Figure 1 </b>Login list of Development Tool</span><br><span><img id="das_03_0004__image760963013202" src="en-us_image_0000001387791885.png"></span></div>
+</p></li><li id="das_03_0004__li9989140195313"><span>On the displayed page, modify the information as required.</span><p><ul id="das_03_0004__u7f0ab1d062cf4deda9901b2a34ee1165"><li id="das_03_0004__l62408c04b5454b97b0609d4c3741f87c">If you do not want to modify the information, click <strong id="das_03_0004__b842352706143619">Cancel</strong>.</li><li id="das_03_0004__li17194133318589">If you want to modify the information, make the modifications, confirm the settings, and click <strong id="das_03_0004__b842352706143733">OK</strong>.<div class="fignone" id="das_03_0004__fig18712185019228"><span class="figcap"><b>Figure 2 </b>Modify Login Information</span><br><span><img id="das_03_0004__image20713185032212" src="en-us_image_0000001337751452.png"></span></div>
+</li></ul>
+</p></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_20_0011.html">User Guide</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_03_0005.html b/docs/das/umn/das_03_0005.html
new file mode 100644
index 00000000..ca9eea20
--- /dev/null
+++ b/docs/das/umn/das_03_0005.html
@@ -0,0 +1,16 @@
+<a name="das_03_0005"></a><a name="das_03_0005"></a>
+
+<h1 class="topictitle1">Deleting Login Information</h1>
+<div id="body1526002940529"><div class="section" id="das_03_0005__section2487181111813"><h4 class="sectiontitle">Scenarios</h4><p id="das_03_0005__p157691383710">Delete the login information you no longer need.</p>
+</div>
+<div class="notice" id="das_03_0005__note66377071111037"><span class="noticetitle"><img src="public_sys-resources/notice_3.0-en-us.png"> </span><div class="noticebody"><p id="das_03_0005__p10249075175439">A login represents an entry for managing databases. Deleted logins have no impact on your database performance but cannot be recovered, exercise caution when you perform this operation.</p>
+</div></div>
+<div class="section" id="das_03_0005__section11731353152813"><h4 class="sectiontitle">Procedure</h4><ol id="das_03_0005__ol1434086115118"><li id="das_03_0005__li1083559195118"><span>In the login list of Development Tool, locate the DB instance for which you want to delete its login information and click <strong id="das_03_0005__b84933127282">Delete</strong> in the <strong id="das_03_0005__b14493712192819">Operation</strong> column.</span></li><li id="das_03_0005__li9989140195313"><span>In the displayed dialog box, click <strong id="das_03_0005__b18500132042618">Yes</strong>.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_20_0011.html">User Guide</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_03_0007.html b/docs/das/umn/das_03_0007.html
new file mode 100644
index 00000000..fbb4f4fd
--- /dev/null
+++ b/docs/das/umn/das_03_0007.html
@@ -0,0 +1,12 @@
+<a name="das_03_0007"></a><a name="das_03_0007"></a>
+
+<h1 class="topictitle1">Logging In to the DAS Console</h1>
+<div id="body1531905064048"><div class="section" id="das_03_0007__section105856811430"><h4 class="sectiontitle">Logging In to Console</h4><ol id="das_03_0007__ol3408152913530"><li id="das_03_0007__li1087344912452"><span>On the login page, enter the account and password to log in to the management console.</span></li><li id="das_03_0007__li16874849154518"><span>Click <span><img id="das_03_0007__image187519493456" src="en-us_image_0000001337431664.png"></span> in the upper left corner and select the desired region and project.</span></li><li id="das_03_0007__li19015538311"><span>Click <span><img id="das_03_0007__image96758393138" src="en-us_image_0000001337751544.png"></span> in the upper left corner, and under <strong id="das_03_0007__b96189381396">Database</strong>, click <strong id="das_03_0007__b46208381913">Data Admin Service</strong>.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_20_0011.html">User Guide</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_03_0011.html b/docs/das/umn/das_03_0011.html
new file mode 100644
index 00000000..2ba28f83
--- /dev/null
+++ b/docs/das/umn/das_03_0011.html
@@ -0,0 +1,13 @@
+<a name="das_03_0011"></a><a name="das_03_0011"></a>
+
+<h1 class="topictitle1">Real-Time Sessions</h1>
+<div id="body1578900108182"><div class="section" id="das_03_0011__section1582324314564"><h4 class="sectiontitle">Procedure</h4><ol id="das_03_0011__ol93493469568"><li id="das_03_0011__li85211981017"><span>Log in to the DAS console using your username and password.</span></li><li id="das_03_0011__li2145113319114"><span>On the <strong id="das_03_0011__b186011111131">Overview</strong> page, click <strong id="das_03_0011__b1609151115138">Go to Intelligent O&amp;M</strong>.</span></li><li id="das_03_0011__li2566183817210"><span>Locate your desired instance and click <strong id="das_03_0011__b346091315132">Details</strong> to go to the Intelligent O&amp;M overview page.</span></li><li id="das_03_0011__li10349946195620"><span>Choose <strong id="das_03_0011__b1178011413293">Sessions</strong> &gt; <strong id="das_03_0011__b916615117297">Real-Time Sessions</strong> to view the real-time session statistics collected by user, host, and database.</span></li><li id="das_03_0011__li27051232115"><span>On the <strong id="das_03_0011__b7509172520333">All Sessions</strong> tab page, select the abnormal sessions you want to end and click <span class="uicontrol" id="das_03_0011__uicontrol251013253334"><b>Kill</b></span> for the databases to recover.</span><p><p id="das_03_0011__p746345142113">On the <strong id="das_03_0011__b118311174713">Slow Sessions</strong> tab page, set the slow session threshold and click the refreshing button or enable <strong id="das_03_0011__b484717473">Auto Refresh</strong> to filter out the SQL statements whose execution time exceeds the threshold. Select the sessions you want to end and click <strong id="das_03_0011__b14785105918554">Kill</strong> for the databases to recover.</p>
+</p></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_03_0027.html">Sessions</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_03_0015.html b/docs/das/umn/das_03_0015.html
new file mode 100644
index 00000000..af19dbc6
--- /dev/null
+++ b/docs/das/umn/das_03_0015.html
@@ -0,0 +1,14 @@
+<a name="das_03_0015"></a><a name="das_03_0015"></a>
+
+<h1 class="topictitle1">SQL Explorer</h1>
+<div id="body1579244421502"><div class="section" id="das_03_0015__section194230161415"><h4 class="sectiontitle">Procedure</h4><ol id="das_03_0015__ol181115339416"><li id="das_03_0015__li85211981017"><span>Log in to the DAS console using your username and password.</span></li><li id="das_03_0015__li2145113319114"><span>On the <strong id="das_03_0015__b244014461317">Overview</strong> page, click <strong id="das_03_0015__b744114413133">Go to Intelligent O&amp;M</strong>.</span></li><li id="das_03_0015__li2566183817210"><span>Locate your desired instance and click <strong id="das_03_0015__b04296465137">Details</strong> to go to the Intelligent O&amp;M overview page.</span></li><li id="das_03_0015__li581367183111"><span>On the <strong id="das_03_0015__b7161153216499">SQL</strong> tab page, click <strong id="das_03_0015__b12363171865010">SQL Explorer</strong> to view the full SQL details of the current instance.</span></li><li id="das_03_0015__li14457326113"><span>On the <strong id="das_03_0015__b18317422429">SQL Statements</strong> tab page, click <strong id="das_03_0015__b03171629425">Enable DAS SQL Explorer</strong>. Query the SQL statements executed by the current instance by different criteria, including time range, user, keyword, and database.</span><p><div class="note" id="das_03_0015__note1784101515111"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="das_03_0015__ul6370162654911"><li id="das_03_0015__li13701426104912">Click <strong id="das_03_0015__b19868181615">Export</strong> to export SQL statement information. A maximum of 100,000 records can be exported.</li><li id="das_03_0015__li15370926114913">Click <strong id="das_03_0015__b103504201822">Export History</strong> to view the exported SQL statements.</li></ul>
+</div></div>
+</p></li><li id="das_03_0015__li999619882216"><span>On the <strong id="das_03_0015__b1483981510366">SQL Templates</strong> tab page, select a time range as required to view SQL templates and their statistical information, such as the average execution duration.</span></li><li id="das_03_0015__li11294155811106"><span>On the <strong id="das_03_0015__b129391036171711">SQL Statement Types</strong> tab page, view types of SQL statements that were ever executed.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_03_0028.html">SQL</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_03_0016.html b/docs/das/umn/das_03_0016.html
new file mode 100644
index 00000000..c53ba4d4
--- /dev/null
+++ b/docs/das/umn/das_03_0016.html
@@ -0,0 +1,18 @@
+<a name="das_03_0016"></a><a name="das_03_0016"></a>
+
+<h1 class="topictitle1">Emergency Channel</h1>
+<div id="body1579244421502"><div class="section" id="das_03_0016__section158691750154012"><h4 class="sectiontitle">Scenarios</h4><ul id="das_03_0016__ul95412126414"><li id="das_03_0016__li75421712104118">Emergency Channel<ul id="das_03_0016__ul145281224191817"><li id="das_03_0016__li1528202471810">If the maximum number of sessions for an instance has been reached and the instance cannot be logged in to, you can view and kill unnecessary sessions through the emergency channel.</li><li id="das_03_0016__li1529182431811">Emergency channel is available to only RDS MySQL and GaussDB(for MySQL) DB databases currently, but not to self-built databases on ECSs and instances in the creating, frozen, or abnormal state.</li><li id="das_03_0016__li952932441816">Use this function in urgent conditions. All your kill operations will be recorded in logs.</li><li id="das_03_0016__li1852932431813">If your instance can be logged in to on the DAS console, log in to the instance and perform desired operations through <strong id="das_03_0016__b4698131720251">Real-Time Sessions</strong>.</li><li id="das_03_0016__li9529152416189">Sessions of sensitive users, like rdsadmin, rdsbackup, rdsmetric, and rdsRepl cannot be killed.</li></ul>
+</li><li id="das_03_0016__li163981515184116">History Logs<p id="das_03_0016__p7667172444419"><a name="das_03_0016__li163981515184116"></a><a name="li163981515184116"></a>On the <strong id="das_03_0016__b197664371061">History Logs</strong> tab page, you can view all your sessions killed through the emergency channel.</p>
+</li></ul>
+</div>
+<div class="section" id="das_03_0016__section145368305513"><h4 class="sectiontitle">Prerequisites</h4><p id="das_03_0016__p640314181489">The DB engine must be MySQL. The MySQL 5.6 version must be 5.6.43.3 or later, and MySQL 5.7 version must be 5.7.25.3 or later.</p>
+</div>
+<div class="section" id="das_03_0016__section16707254123620"><h4 class="sectiontitle">Procedure</h4><ol id="das_03_0016__ol181115339416"><li id="das_03_0016__li85211981017"><span>Log in to the DAS console using your username and password.</span></li><li id="das_03_0016__li2145113319114"><span>On the <strong id="das_03_0016__b838842511310">Overview</strong> page, click <strong id="das_03_0016__b039832517133">Go to Intelligent O&amp;M</strong>.</span></li><li id="das_03_0016__li2566183817210"><span>Locate your desired instance and click <strong id="das_03_0016__b3512122751311">Details</strong> to go to the Intelligent O&amp;M overview page.</span></li><li id="das_03_0016__li1779617209276"><span>On the <strong id="das_03_0016__b8589128141512">Emergency Channel</strong> tab page, select the sessions you want to kill. By default, the sessions are sorted in descending order by session duration.</span></li><li id="das_03_0016__li5930134811590"><span>Click <strong id="das_03_0016__b1956143022112">Kill</strong>. In the displayed dialog box, click <span class="uicontrol" id="das_03_0016__uicontrol172702221292"><b>Yes</b></span>.</span></li><li id="das_03_0016__li650192913916"><span>On the <span class="uicontrol" id="das_03_0016__uicontrol42201311614"><b>History Logs</b></span> tab page, view your sessions killed through the emergency channel.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_03_0027.html">Sessions</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_03_0017.html b/docs/das/umn/das_03_0017.html
new file mode 100644
index 00000000..b986ce64
--- /dev/null
+++ b/docs/das/umn/das_03_0017.html
@@ -0,0 +1,14 @@
+<a name="das_03_0017"></a><a name="das_03_0017"></a>
+
+<h1 class="topictitle1">Slow Query Logs</h1>
+<div id="body1581490966198"><div class="section" id="das_03_0017__section1479062101110"><h4 class="sectiontitle">Procedure</h4><ol id="das_03_0017__ol181115339416"><li id="das_03_0017__li85211981017"><span>Log in to the DAS console using your username and password.</span></li><li id="das_03_0017__li2145113319114"><span>On the <strong id="das_03_0017__b5613103441312">Overview</strong> page, click <strong id="das_03_0017__b162273418131">Go to Intelligent O&amp;M</strong>.</span></li><li id="das_03_0017__li2566183817210"><span>Locate your desired instance and click <strong id="das_03_0017__b187141336141318">Details</strong> to go to the Intelligent O&amp;M overview page.</span></li><li id="das_03_0017__li581367183111"><span>On the <strong id="das_03_0017__b1564174061015">SQL</strong> tab page, click <strong id="das_03_0017__b311593111114">Slow Query Logs</strong> to view the slow SQL trend of the current instance.</span></li><li id="das_03_0017__li1330410173545"><span>Set your desired time range or select <strong id="das_03_0017__b4275103415135">Last 1 hour</strong>, <strong id="das_03_0017__b5109101170">Last 6 hours</strong>, or <strong id="das_03_0017__b3719115661616">Last 1 day</strong> to view the corresponding slow query logs, CPU usage, and archived slow query logs.</span></li><li id="das_03_0017__li1276813215449"><span>Click <span class="uicontrol" id="das_03_0017__uicontrol1099491544316"><b>Enable DAS Slow Query Log</b></span>. In the displayed dialog box, read and agree to the security agreement, and click <span class="uicontrol" id="das_03_0017__uicontrol3999515114318"><b>OK</b></span>.</span></li><li id="das_03_0017__li1630518911201"><span>On the lower part of the <strong id="das_03_0017__b19342111933218">Log Trends</strong> tab page, view the statistics and details of slow query logs.</span><p><ul id="das_03_0017__ul12453101415258"><li id="das_03_0017__li19355165842518">Query and view slow query logs by database name.</li><li id="das_03_0017__li64535148251">Click <span class="uicontrol" id="das_03_0017__uicontrol1272333017267"><b>Export Slow Query Log</b></span> to export the slow query logs.</li><li id="das_03_0017__li16453114172519">Click <span class="uicontrol" id="das_03_0017__uicontrol532352022415"><b>Export History</b></span> to view the export history of slow query logs.</li></ul>
+</p></li><li id="das_03_0017__li3832151854219"><span>On the <strong id="das_03_0017__b6243175918315">Log Archiving</strong> tab page, obtain the slow query log files of the current DB instance in either of the following ways: (The archiving function saves slow query log files generated in the last 10 days.)</span><p><ul id="das_03_0017__ul1721920175810"><li id="das_03_0017__li77262010588">Click <strong id="das_03_0017__b1873183055717">Generate Latest Log File</strong>.</li><li id="das_03_0017__li388711101212">DAS automatically generates a slow query log every time the log data reaches 50 MB.</li></ul>
+</p></li><li id="das_03_0017__li2416118517"><span>In the slow query log list, click <span class="uicontrol" id="das_03_0017__uicontrol106099471256"><b>Download</b></span> to download and view log data.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_03_0028.html">SQL</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_03_0025.html b/docs/das/umn/das_03_0025.html
new file mode 100644
index 00000000..3514a6f5
--- /dev/null
+++ b/docs/das/umn/das_03_0025.html
@@ -0,0 +1,12 @@
+<a name="das_03_0025"></a><a name="das_03_0025"></a>
+
+<h1 class="topictitle1">Function Overview</h1>
+<div id="body1599016159118"><div class="section" id="das_03_0025__section1952710375112"><h4 class="sectiontitle">Procedure</h4><ol id="das_03_0025__ol115581422111117"><li id="das_03_0025__li12558182271112"><span>On the DAS console, choose <span class="uicontrol" id="das_03_0025__uicontrol924917202122"><b>Intelligent O&amp;M</b></span> to go to the instance overview page of Intelligent O&amp;M.</span></li><li id="das_03_0025__li17554141581215"><span>In the <strong id="das_03_0025__b117431648202015">Instance Overview</strong> area, click <strong id="das_03_0025__b1331861419217">Set Displayed Metrics</strong> to specify the performance metrics to display.</span></li><li id="das_03_0025__li7103848103018"><span>After specifying the metrics, click <strong id="das_03_0025__b97022820125">OK</strong>.</span></li><li id="das_03_0025__li16698164822317"><span>Click <strong id="das_03_0025__b156790121181">Details</strong> of an instance to go to the Intelligent O&amp;M details page.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0096.html">MySQL DB Instances</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_03_0026.html b/docs/das/umn/das_03_0026.html
new file mode 100644
index 00000000..2654664d
--- /dev/null
+++ b/docs/das/umn/das_03_0026.html
@@ -0,0 +1,23 @@
+<a name="das_03_0026"></a><a name="das_03_0026"></a>
+
+<h1 class="topictitle1">Performance</h1>
+<div id="body1599030201258"></div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_03_0034.html">Real-Time Diagnosis</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_03_0035.html">Real-Time Performance</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_03_0036.html">Performance History</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_03_0037.html">Performance Trends Comparisons</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_03_0038.html">Custom Graphs</a></strong><br>
+</li>
+</ul>
+
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0096.html">MySQL DB Instances</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_03_0027.html b/docs/das/umn/das_03_0027.html
new file mode 100644
index 00000000..69128a44
--- /dev/null
+++ b/docs/das/umn/das_03_0027.html
@@ -0,0 +1,17 @@
+<a name="das_03_0027"></a><a name="das_03_0027"></a>
+
+<h1 class="topictitle1">Sessions</h1>
+<div id="body1599030201258"></div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_03_0011.html">Real-Time Sessions</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_03_0016.html">Emergency Channel</a></strong><br>
+</li>
+</ul>
+
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0096.html">MySQL DB Instances</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_03_0028.html b/docs/das/umn/das_03_0028.html
new file mode 100644
index 00000000..12614eb3
--- /dev/null
+++ b/docs/das/umn/das_03_0028.html
@@ -0,0 +1,19 @@
+<a name="das_03_0028"></a><a name="das_03_0028"></a>
+
+<h1 class="topictitle1">SQL</h1>
+<div id="body1599030201258"></div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_03_0017.html">Slow Query Logs</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_03_0015.html">SQL Explorer</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_04_0100.html">SQL Diagnosis</a></strong><br>
+</li>
+</ul>
+
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0096.html">MySQL DB Instances</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_03_0029.html b/docs/das/umn/das_03_0029.html
new file mode 100644
index 00000000..c1234d96
--- /dev/null
+++ b/docs/das/umn/das_03_0029.html
@@ -0,0 +1,17 @@
+<a name="das_03_0029"></a><a name="das_03_0029"></a>
+
+<h1 class="topictitle1">Space</h1>
+<div id="body1599030201258"></div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_03_0039.html">Instance Space</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_03_0040.html">Database Space</a></strong><br>
+</li>
+</ul>
+
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0096.html">MySQL DB Instances</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_03_0030.html b/docs/das/umn/das_03_0030.html
new file mode 100644
index 00000000..5cc74776
--- /dev/null
+++ b/docs/das/umn/das_03_0030.html
@@ -0,0 +1,14 @@
+<a name="das_03_0030"></a><a name="das_03_0030"></a>
+
+<h1 class="topictitle1">Binlog</h1>
+<div id="body1599030201258"><div class="note" id="das_03_0030__note15314132134120"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="das_03_0030__p144620612510">GaussDB(for MySQL) DB instances are currently not supported.</p>
+</div></div>
+<div class="section" id="das_03_0030__section8332163932915"><h4 class="sectiontitle">Procedure</h4><ol id="das_03_0030__ol1314114919495"><li id="das_03_0030__li85211981017"><span>Log in to the DAS console using your username and password.</span></li><li id="das_03_0030__li2145113319114"><span>On the <strong id="das_03_0030__b7223154314149">Overview</strong> page, click <strong id="das_03_0030__b723284313147">Go to Intelligent O&amp;M</strong>.</span></li><li id="das_03_0030__li2566183817210"><span>Locate your desired instance and click <strong id="das_03_0030__b25659451146">Details</strong> to go to the Intelligent O&amp;M overview page.</span></li><li id="das_03_0030__li82054792914"><span>On the <strong id="das_03_0030__b32571746204014">binlog</strong> tab page, click <strong id="das_03_0030__b3154185813405">Latest Logs</strong>. On the displayed page, locate the target file and click <strong id="das_03_0030__b13519130124812">Parse</strong> in the <strong id="das_03_0030__b205201223483">Operation</strong> column to parse the file.</span></li><li id="das_03_0030__li3194512182316"><span>On the <strong id="das_03_0030__b13254258204918">Archived Logs</strong> tab page, select a time range to view log files archived during this period.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0096.html">MySQL DB Instances</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_03_0031.html b/docs/das/umn/das_03_0031.html
new file mode 100644
index 00000000..1c3447a4
--- /dev/null
+++ b/docs/das/umn/das_03_0031.html
@@ -0,0 +1,14 @@
+<a name="das_03_0031"></a><a name="das_03_0031"></a>
+
+<h1 class="topictitle1">Parameters</h1>
+<div id="body1599030201258"><div class="note" id="das_03_0031__note15314132134120"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="das_03_0031__p144620612510">GaussDB(for MySQL) DB instances are currently not supported.</p>
+</div></div>
+<div class="section" id="das_03_0031__section72051939185412"><h4 class="sectiontitle">Memory Parameter Setting Diagnosis</h4><ol id="das_03_0031__ol1314114919495"><li id="das_03_0031__li85211981017"><span>Log in to the DAS console using your username and password.</span></li><li id="das_03_0031__li2145113319114"><span>On the <strong id="das_03_0031__b10290251131415">Overview</strong> page, click <strong id="das_03_0031__b12997519143">Go to Intelligent O&amp;M</strong>.</span></li><li id="das_03_0031__li2566183817210"><span>Locate your desired instance and click <strong id="das_03_0031__b1725714585148">Details</strong> to go to the Intelligent O&amp;M overview page.</span></li><li id="das_03_0031__li339010195229"><span>Choose <strong id="das_03_0031__b6921139750">Parameters</strong> &gt; <strong id="das_03_0031__b223514133512">Memory Parameter Setting Diagnosis</strong>.</span></li><li id="das_03_0031__li17289921202"><span>On the displayed page, adjust parameter settings to estimate the maximum available memory for MySQL.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0096.html">MySQL DB Instances</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_03_0032.html b/docs/das/umn/das_03_0032.html
new file mode 100644
index 00000000..2d032a53
--- /dev/null
+++ b/docs/das/umn/das_03_0032.html
@@ -0,0 +1,16 @@
+<a name="das_03_0032"></a><a name="das_03_0032"></a>
+
+<h1 class="topictitle1">Daily Reports</h1>
+<div id="body1599030201258"><div class="section" id="das_03_0032__section16167144964310"><h4 class="sectiontitle">Procedure</h4><ol id="das_03_0032__ol1314114919495"><li id="das_03_0032__li85211981017"><span>Log in to the DAS console using your username and password.</span></li><li id="das_03_0032__li2145113319114"><span>On the <strong id="das_03_0032__b12328192881518">Overview</strong> page, click <strong id="das_03_0032__b5337728181511">Go to Intelligent O&amp;M</strong>.</span></li><li id="das_03_0032__li2566183817210"><span>Locate your desired instance and click <strong id="das_03_0032__b2835183031518">Details</strong> to go to the Intelligent O&amp;M overview page.</span></li><li id="das_03_0032__li3149135017264"><span>On the displayed page, choose <strong id="das_03_0032__b528315612116">Daily Reports</strong> &gt; <strong id="das_03_0032__b122931912171318">Diagnosis Overview</strong> and click <strong id="das_03_0032__b21292516134">Diagnose</strong> to diagnose the current instance.</span><p><p id="das_03_0032__p1633115517269">You can also click <strong id="das_03_0032__b43421140131412">View History Report</strong> to view historical diagnosis reports.</p>
+</p></li><li id="das_03_0032__li1099915172502"><span>On the <strong id="das_03_0032__b495015592215">Analysis Dimensions</strong> page, view report details.</span></li><li id="das_03_0032__li20688183754912"><span>Click <strong id="das_03_0032__b7629139102116">Specified Analysis</strong> to view the details in a report, including slow SQL analysis, full SQL analysis, SQL type analysis, performance and disk analysis, performance trend graphs, tablespace analysis, and event analysis.</span><p><div class="note" id="das_03_0032__note7518183915503"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="das_03_0032__ul6698195651013"><li id="das_03_0032__li116981656201017">Click <strong id="das_03_0032__b9405121053110">Download</strong> to the upper right corner of the <strong id="das_03_0032__b683514353295">Today's Report</strong> page to download the diagnosis report to your local PC.</li><li id="das_03_0032__li0586115512564">Click <strong id="das_03_0032__b1853594893017">Subscribe</strong> and enter your email to have the diagnosis report emailed to you. Pay attention to the following precautions before subscribing to diagnosis reports:<ul id="das_03_0032__ul151342418589"><li id="das_03_0032__li1968621385817">The subscription function depends on the SMN service.</li><li id="das_03_0032__li14131846919">Diagnosis reports will be emailed to you only after you have subscribed to diagnosis reports and the diagnosis result is abnormal.</li></ul>
+</li></ul>
+</div></div>
+</p></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0096.html">MySQL DB Instances</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_03_0034.html b/docs/das/umn/das_03_0034.html
new file mode 100644
index 00000000..79ca450e
--- /dev/null
+++ b/docs/das/umn/das_03_0034.html
@@ -0,0 +1,12 @@
+<a name="das_03_0034"></a><a name="das_03_0034"></a>
+
+<h1 class="topictitle1">Real-Time Diagnosis</h1>
+<div id="body1599033852740"><div class="section" id="das_03_0034__section31574113514"><h4 class="sectiontitle">Procedure</h4><ol id="das_03_0034__ol11647152514128"><li id="das_03_0034__li85211981017"><span>Log in to the DAS console using your username and password.</span></li><li id="das_03_0034__li2145113319114"><span>On the <strong id="das_03_0034__b18694417121">Overview</strong> page, click <strong id="das_03_0034__b1887812417126">Go to Intelligent O&amp;M</strong>.</span></li><li id="das_03_0034__li2566183817210"><span>Locate your desired instance and click <strong id="das_03_0034__b1186055710302">Details</strong> to go to the Intelligent O&amp;M overview page.</span></li><li id="das_03_0034__li176471925101217"><span>Choose <strong id="das_03_0034__b10813182410311">Performance</strong> &gt; <strong id="das_03_0034__b54151610173216">Real-Time Diagnosis</strong>.</span></li><li id="das_03_0034__li171582891219"><span>On the <strong id="das_03_0034__b821252803916">Real-Time Diagnosis</strong> tab page, view the current resource usages, real-time performance, and slow query logs of the instance.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_03_0026.html">Performance</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_03_0035.html b/docs/das/umn/das_03_0035.html
new file mode 100644
index 00000000..01c66de4
--- /dev/null
+++ b/docs/das/umn/das_03_0035.html
@@ -0,0 +1,12 @@
+<a name="das_03_0035"></a><a name="das_03_0035"></a>
+
+<h1 class="topictitle1">Real-Time Performance</h1>
+<div id="body1599033852740"><div class="section" id="das_03_0035__section1994220311514"><h4 class="sectiontitle">Procedure</h4><ol id="das_03_0035__ol76771041192310"><li id="das_03_0035__li85211981017"><span>Log in to the DAS console using your username and password.</span></li><li id="das_03_0035__li2145113319114"><span>On the <strong id="das_03_0035__b762911279123">Overview</strong> page, click <strong id="das_03_0035__b7636192717127">Go to Intelligent O&amp;M</strong>.</span></li><li id="das_03_0035__li2566183817210"><span>Locate your desired instance and click <strong id="das_03_0035__b7920133213123">Details</strong> to go to the Intelligent O&amp;M overview page.</span></li><li id="das_03_0035__li237313220277"><span>On the <strong id="das_03_0035__b11412102764411">Real-Time Performance</strong> tab page, view the server uptime, connection information, and buffer pool.</span></li><li id="das_03_0035__li367824119232"><span>Click <strong id="das_03_0035__b13695172055313">Start</strong>/<strong id="das_03_0035__b4941132413531">Pause</strong> or change the time interval (1 to 10 seconds) to adjust the performance monitoring. You can also click <strong id="das_03_0035__b16753132558">Set Metric</strong> to specify required metrics based on service requirements.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_03_0026.html">Performance</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_03_0036.html b/docs/das/umn/das_03_0036.html
new file mode 100644
index 00000000..44c8aa05
--- /dev/null
+++ b/docs/das/umn/das_03_0036.html
@@ -0,0 +1,13 @@
+<a name="das_03_0036"></a><a name="das_03_0036"></a>
+
+<h1 class="topictitle1">Performance History</h1>
+<div id="body1599033852740"><div class="section" id="das_03_0036__section2628165220510"><h4 class="sectiontitle">Procedure</h4><ol id="das_03_0036__ol126725712427"><li id="das_03_0036__li85211981017"><span>Log in to the DAS console using your username and password.</span></li><li id="das_03_0036__li2145113319114"><span>On the <strong id="das_03_0036__b87481938101220">Overview</strong> page, click <strong id="das_03_0036__b107567385122">Go to Intelligent O&amp;M</strong>.</span></li><li id="das_03_0036__li2566183817210"><span>Locate your desired instance and click <strong id="das_03_0036__b189619417126">Details</strong> to go to the Intelligent O&amp;M overview page.</span></li><li id="das_03_0036__li10309103144312"><span>Choose <strong id="das_03_0036__b10938114410291">Performance</strong> &gt; <strong id="das_03_0036__b8939344172913">Performance History</strong> to view performance graphs of instance metrics.</span></li><li id="das_03_0036__li79921117317"><span>Click <span class="uicontrol" id="das_03_0036__uicontrol5886152010575"><b>Select Metric</b></span> to specify your desired metrics and click <span class="uicontrol" id="das_03_0036__uicontrol1288782045715"><b>OK</b></span>.</span><p><p id="das_03_0036__p17814310273">Set a time range in the upper right corner so that you can view the DB instance performance during this period. You can also click <strong id="das_03_0036__b1486082917250">Detail</strong> on each metric performance graph to set the time range.</p>
+</p></li><li id="das_03_0036__li1779940104015"><span>Enable <span class="uicontrol" id="das_03_0036__uicontrol19500632142515"><b>Interactive Graph</b></span> to view the performance of other metrics at the same time.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_03_0026.html">Performance</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_03_0037.html b/docs/das/umn/das_03_0037.html
new file mode 100644
index 00000000..76517891
--- /dev/null
+++ b/docs/das/umn/das_03_0037.html
@@ -0,0 +1,12 @@
+<a name="das_03_0037"></a><a name="das_03_0037"></a>
+
+<h1 class="topictitle1">Performance Trends Comparisons</h1>
+<div id="body1599033852740"><div class="section" id="das_03_0037__section1582324314564"><h4 class="sectiontitle">Procedure</h4><ol id="das_03_0037__ol93493469568"><li id="das_03_0037__li85211981017"><span>Log in to the DAS console using your username and password.</span></li><li id="das_03_0037__li2145113319114"><span>On the <strong id="das_03_0037__b113081747201212">Overview</strong> page, click <strong id="das_03_0037__b93141847121217">Go to Intelligent O&amp;M</strong>.</span></li><li id="das_03_0037__li2566183817210"><span>Locate your desired instance and click <strong id="das_03_0037__b1951364931213">Details</strong> to go to the Intelligent O&amp;M overview page.</span></li><li id="das_03_0037__li10349946195620"><span>On the <strong id="das_03_0037__b15215211385">Performance Trends Comparisons</strong> tab page, view the historical performance changes of the current instance at the same time on different days.</span></li><li id="das_03_0037__li203498460569"><span>Click <span class="uicontrol" id="das_03_0037__uicontrol9280149124420"><b>Select Metric</b></span> to specify your desired metrics, and click <span class="uicontrol" id="das_03_0037__uicontrol102812974413"><b>OK</b></span>.</span></li><li id="das_03_0037__li1535014615562"><span>Set the date and time period so that you can view the performance data during this period. Alternatively, click <strong id="das_03_0037__b19535315457">Detail</strong> on each metric performance graph to set the date and time range.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_03_0026.html">Performance</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_03_0038.html b/docs/das/umn/das_03_0038.html
new file mode 100644
index 00000000..45b33585
--- /dev/null
+++ b/docs/das/umn/das_03_0038.html
@@ -0,0 +1,12 @@
+<a name="das_03_0038"></a><a name="das_03_0038"></a>
+
+<h1 class="topictitle1">Custom Graphs</h1>
+<div id="body1599033852740"><div class="section" id="das_03_0038__section1582324314564"><h4 class="sectiontitle">Procedure</h4><ol id="das_03_0038__ol93493469568"><li id="das_03_0038__li85211981017"><span>Log in to the DAS console using your username and password.</span></li><li id="das_03_0038__li2145113319114"><span>On the <strong id="das_03_0038__b3518556121">Overview</strong> page, click <strong id="das_03_0038__b1812165519126">Go to Intelligent O&amp;M</strong>.</span></li><li id="das_03_0038__li2566183817210"><span>Locate your desired instance and click <strong id="das_03_0038__b1082265718127">Details</strong> to go to the Intelligent O&amp;M overview page.</span></li><li id="das_03_0038__li10349946195620"><span>On the <strong id="das_03_0038__b495724015174">Custom Graphs</strong> tab page, customize the metrics you want to view.</span></li><li id="das_03_0038__li203498460569"><span>Click <strong id="das_03_0038__b824675620507">Create Graph</strong>, enter a graph name, select the required metrics, and click <strong id="das_03_0038__b12173152419516">OK</strong> to view performance history in a graph.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_03_0026.html">Performance</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_03_0039.html b/docs/das/umn/das_03_0039.html
new file mode 100644
index 00000000..3acf55dc
--- /dev/null
+++ b/docs/das/umn/das_03_0039.html
@@ -0,0 +1,12 @@
+<a name="das_03_0039"></a><a name="das_03_0039"></a>
+
+<h1 class="topictitle1">Instance Space</h1>
+<div id="body1599037246196"><div class="section" id="das_03_0039__section1582324314564"><h4 class="sectiontitle">Procedure</h4><ol id="das_03_0039__ol93493469568"><li id="das_03_0039__li85211981017"><span>Log in to the DAS console using your username and password.</span></li><li id="das_03_0039__li2145113319114"><span>On the <strong id="das_03_0039__b10943131921418">Overview</strong> page, click <strong id="das_03_0039__b595061941414">Go to Intelligent O&amp;M</strong>.</span></li><li id="das_03_0039__li2566183817210"><span>Locate your desired instance and click <strong id="das_03_0039__b7214182241416">Details</strong> to go to the Intelligent O&amp;M overview page.</span></li><li id="das_03_0039__li10349946195620"><span>On the <strong id="das_03_0039__b111965525820">Space</strong> tab page, click <strong id="das_03_0039__b48151742597">Instance Space</strong> to view the space usage and usage trend of the current instance.</span></li><li id="das_03_0039__li1535014615562"><span>View the space usage trend by setting a specific time range.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_03_0029.html">Space</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_03_0040.html b/docs/das/umn/das_03_0040.html
new file mode 100644
index 00000000..252d6ec4
--- /dev/null
+++ b/docs/das/umn/das_03_0040.html
@@ -0,0 +1,12 @@
+<a name="das_03_0040"></a><a name="das_03_0040"></a>
+
+<h1 class="topictitle1">Database Space</h1>
+<div id="body1599037246196"><div class="section" id="das_03_0040__section1479062101110"><h4 class="sectiontitle">Procedure</h4><ol id="das_03_0040__ol145983882214"><li id="das_03_0040__li85211981017"><span>Log in to the DAS console using your username and password.</span></li><li id="das_03_0040__li2145113319114"><span>On the <strong id="das_03_0040__b20163011411">Overview</strong> page, click <strong id="das_03_0040__b111014305141">Go to Intelligent O&amp;M</strong>.</span></li><li id="das_03_0040__li2566183817210"><span>Locate your desired instance and click <strong id="das_03_0040__b1427083251416">Details</strong> to go to the Intelligent O&amp;M overview page.</span></li><li id="das_03_0040__li108341492177"><span>On the <strong id="das_03_0040__b1980418056">Space</strong> tab page, select <strong id="das_03_0040__b796412258511">Database Space</strong> to view the space usage and fragmentation rate of a database.</span></li><li id="das_03_0040__li46951150163015"><span>Locate the target database, and click <span class="uicontrol" id="das_03_0040__uicontrol678415141888"><b>Database Space &amp; Metadata Analysis</b></span> in the <strong id="das_03_0040__b578512141088">Operation</strong> column.</span></li><li id="das_03_0040__li193729523916"><span>On the <strong id="das_03_0040__b101304521211">Tables</strong> tab page, locate the target table and click <span class="uicontrol" id="das_03_0040__uicontrol3919101731118"><b>Table Details</b></span> in the <strong id="das_03_0040__b7919141791114">Operation</strong> column to view table details.</span></li><li id="das_03_0040__li1841161613407"><span>Click <strong id="das_03_0040__b1128464191917">Table Space Overview</strong> in the <strong id="das_03_0040__b173445241178">Operation</strong> column o view the table space usage.</span></li><li id="das_03_0040__li15904239354"><span>On the <span class="uicontrol" id="das_03_0040__uicontrol16909102313617"><b>Database Space Overview</b></span> page, view the database space usage trend by specifying a specific time range.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_03_0029.html">Space</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_03_0041.html b/docs/das/umn/das_03_0041.html
new file mode 100644
index 00000000..7fb4616d
--- /dev/null
+++ b/docs/das/umn/das_03_0041.html
@@ -0,0 +1,19 @@
+<a name="das_03_0041"></a><a name="das_03_0041"></a>
+
+<h1 class="topictitle1">Locks and Transactions</h1>
+<div id="body0000001071484394"></div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_03_0042.html">InnoDB Lock Query</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_03_0043.html">Metadata Locks</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_03_0044.html">Historical Transactions</a></strong><br>
+</li>
+</ul>
+
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0096.html">MySQL DB Instances</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_03_0042.html b/docs/das/umn/das_03_0042.html
new file mode 100644
index 00000000..bcfed7be
--- /dev/null
+++ b/docs/das/umn/das_03_0042.html
@@ -0,0 +1,16 @@
+<a name="das_03_0042"></a><a name="das_03_0042"></a>
+
+<h1 class="topictitle1">InnoDB Lock Query</h1>
+<div id="body0000001071298093"><div class="section" id="das_03_0042__section171085203429"><h4 class="sectiontitle">Overview</h4><div class="p" id="das_03_0042__p1282619442714">With this function, the system displays the lock waits generated before the DML operations on the database in real time. With these waits, you can quickly locate the session waits and blocks that happened when multiple sessions update the same piece of data at the same time, and can quickly terminate the source session that holds locks to restore blocked operations.<div class="note" id="das_03_0042__note15314132134120"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="das_03_0042__p1665174918266">This feature does not support DDL locks. You view and analyze them on the <strong id="das_03_0042__b15841944115413">Metadata Locks</strong> page.</p>
+</div></div>
+</div>
+</div>
+<div class="section" id="das_03_0042__section1260112713452"><h4 class="sectiontitle">Procedure</h4><ol id="das_03_0042__ol184041614194411"><li id="das_03_0042__li85211981017"><span>Log in to the DAS console using your username and password.</span></li><li id="das_03_0042__li2145113319114"><span>On the <strong id="das_03_0042__b1482895081514">Overview</strong> page, click <strong id="das_03_0042__b88361450181516">Go to Intelligent O&amp;M</strong>.</span></li><li id="das_03_0042__li2566183817210"><span>Locate your desired instance and click <strong id="das_03_0042__b19334125381512">Details</strong> to go to the Intelligent O&amp;M overview page.</span></li><li id="das_03_0042__li5133192714446"><span>Choose <strong id="das_03_0042__b726523217262">Locks and Transactions</strong> &gt; <strong id="das_03_0042__b6830104152617">InnoDB Locks </strong>to check whether there are lock waits.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_03_0041.html">Locks and Transactions</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_03_0043.html b/docs/das/umn/das_03_0043.html
new file mode 100644
index 00000000..e7e7ef0e
--- /dev/null
+++ b/docs/das/umn/das_03_0043.html
@@ -0,0 +1,16 @@
+<a name="das_03_0043"></a><a name="das_03_0043"></a>
+
+<h1 class="topictitle1">Metadata Locks</h1>
+<div id="body0000001071644002"><div class="section" id="das_03_0043__section171085203429"><h4 class="sectiontitle">Overview</h4><ul id="das_03_0043__ul196775419461"><li id="das_03_0043__li15447153803212">Metadata locks (MDLs) are used to ensure consistency between DDL and DML operations. Usually, DDL operations require MDL write locks. Once a DML lock occurs, it can have a significant impact on the database because all subsequent operations (SELECT, DML, and DDL operations) on the table will be blocked, causing a backlog of connections.</li><li id="das_03_0043__li19967254184617">The system displays the database MDL locks in real time. With these locks, you can quickly locate MDL problems and terminate the sessions holding MDL locks, so that blocked operations can be restored.<div class="note" id="das_03_0043__note15314132134120"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="das_03_0043__ul15381654162711"><li id="das_03_0043__li13967155412469">This feature does not support DML locks. You can view and analyze them on the <strong id="das_03_0043__b1110161017577">InnoDB Locks </strong>page.</li><li id="das_03_0043__li149671354174613">Currently, this feature is available for only MySQL 5.6 and 5.7.</li><li id="das_03_0043__li4888165712276">A maximum of 1,000 records can be displayed.</li><li id="das_03_0043__li9210171511415">GaussDB(for MySQL) DB instances are currently not supported.</li></ul>
+</div></div>
+</li></ul>
+</div>
+<div class="section" id="das_03_0043__section1260112713452"><h4 class="sectiontitle">Procedure</h4><ol id="das_03_0043__ol184041614194411"><li id="das_03_0043__li85211981017"><span>Log in to the DAS console using your username and password.</span></li><li id="das_03_0043__li2145113319114"><span>On the <strong id="das_03_0043__b38151310171620">Overview</strong> page, click <strong id="das_03_0043__b19823111031617">Go to Intelligent O&amp;M</strong>.</span></li><li id="das_03_0043__li2566183817210"><span>Locate your desired instance and click <strong id="das_03_0043__b12665012101619">Details</strong> to go to the Intelligent O&amp;M overview page.</span></li><li id="das_03_0043__li5133192714446"><span>Choose <strong id="das_03_0043__b19499252143419">Locks and Transactions</strong> &gt; <strong id="das_03_0043__b123077616356">Metadata Locks</strong>.</span></li><li id="das_03_0043__li111247282503"><span>Select a lock status and type, and enter a database name, table name, and session ID as needed. Then, click <strong id="das_03_0043__b57951615143711">Query</strong> to query required sessions.</span></li><li id="das_03_0043__li15884849483"><span>In the query result, check whether there are sessions that hold MDL locks. If so, select the sessions as required and click <strong id="das_03_0043__b15112483917">Kill Session</strong>.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_03_0041.html">Locks and Transactions</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_03_0044.html b/docs/das/umn/das_03_0044.html
new file mode 100644
index 00000000..93c6981c
--- /dev/null
+++ b/docs/das/umn/das_03_0044.html
@@ -0,0 +1,16 @@
+<a name="das_03_0044"></a><a name="das_03_0044"></a>
+
+<h1 class="topictitle1">Historical Transactions</h1>
+<div id="body0000001071835930"><div class="section" id="das_03_0044__section171085203429"><h4 class="sectiontitle">Overview</h4><p id="das_03_0044__p173721117154717">This feature is used to analyze and discover big transactions and the transactions that are not committed for a long time in the database.</p>
+<div class="note" id="das_03_0044__note15314132134120"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="das_03_0044__p144620612510">GaussDB(for MySQL) DB instances are currently not supported.</p>
+</div></div>
+</div>
+<div class="section" id="das_03_0044__section1260112713452"><h4 class="sectiontitle">Procedure</h4><ol id="das_03_0044__ol184041614194411"><li id="das_03_0044__li85211981017"><span>Log in to the DAS console using your username and password.</span></li><li id="das_03_0044__li2145113319114"><span>On the <strong id="das_03_0044__b1488210176167">Overview</strong> page, click <strong id="das_03_0044__b13890161761615">Go to Intelligent O&amp;M</strong>.</span></li><li id="das_03_0044__li2566183817210"><span>Locate your desired instance and click <strong id="das_03_0044__b17951201914163">Details</strong> to go to the Intelligent O&amp;M overview page.</span></li><li id="das_03_0044__li5133192714446"><span>Choose <strong id="das_03_0044__b974592882916">Locks and Transactions</strong> &gt; <strong id="das_03_0044__b7343747192917">Historical Transactions</strong>.</span></li><li id="das_03_0044__li111247282503"><span>Select a start date and end date as required and refresh the page.</span></li><li id="das_03_0044__li1247581010557"><span>Analyze large transactions and those that are not submitted for a long time in the historical transaction list.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_03_0041.html">Locks and Transactions</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_03_0090.html b/docs/das/umn/das_03_0090.html
new file mode 100644
index 00000000..b0b42a7a
--- /dev/null
+++ b/docs/das/umn/das_03_0090.html
@@ -0,0 +1,12 @@
+<a name="das_03_0090"></a><a name="das_03_0090"></a>
+
+<h1 class="topictitle1">Creating a Database</h1>
+<div id="body1595322270690"><div class="section" id="das_03_0090__section8389334183913"><h4 class="sectiontitle">Procedure</h4><ol id="das_03_0090__ol2089904013560"><li id="das_03_0090__li1989954055610"><span>In the database list of the <strong id="das_03_0090__b12887184291">Home</strong> page, click <span class="uicontrol" id="das_03_0090__uicontrol196818182910"><b>Create Database</b></span>.</span></li><li id="das_03_0090__li183231794584"><span>On the displayed page, enter a database name and select a character set.</span></li><li id="das_03_0090__li19802321214"><span>Click <span class="uicontrol" id="das_03_0090__uicontrol315811552293"><b>OK</b></span>. The database you create appears in the database list.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0031.html">Homepage</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_03_0100.html b/docs/das/umn/das_03_0100.html
new file mode 100644
index 00000000..240118a7
--- /dev/null
+++ b/docs/das/umn/das_03_0100.html
@@ -0,0 +1,19 @@
+<a name="das_03_0100"></a><a name="das_03_0100"></a>
+
+<h1 class="topictitle1">Logging In to Databases Shared by Others</h1>
+<div id="body0000001093418989"><div class="section" id="das_03_0100__section98252105111"><h4 class="sectiontitle">Scenarios</h4><p id="das_03_0100__p28291220181614">You have a database instance and want to share it with another account or another user of the same account, but you do not want this other account or user to know the password of the shared login, or view your database instances besides the shared one.</p>
+</div>
+<div class="section" id="das_03_0100__section1118211197128"><h4 class="sectiontitle">Prerequisites</h4><ul id="das_03_0100__ul13749232195112"><li id="das_03_0100__li1175063255110">There are two accounts, or one account and two IAM users.</li><li id="das_03_0100__li1373855452214">You have obtained the UID (user ID) of the IAM user.</li><li id="das_03_0100__li1750133219516">You have logged in to the DAS console.</li></ul>
+</div>
+<div class="section" id="das_03_0100__section0874431695"><h4 class="sectiontitle">Usage Restrictions</h4><ul id="das_03_0100__ul7510975159"><li id="das_03_0100__li1451157171515">Users having shared database logins cannot add databases or users.</li><li id="das_03_0100__li326623452118">Shared databases do not have the data tracking, rollback, and background task features.</li></ul>
+</div>
+<div class="section" id="das_03_0100__section18931391078"><h4 class="sectiontitle">Procedure</h4><ol id="das_03_0100__ol68602151576"><li id="das_03_0100__li1135742435812"><span>Log in to the DAS console using the username and password of an IAM user.</span></li><li id="das_03_0100__li1725657175913"><span>On the overview page, click <strong id="das_03_0100__b121352242515">Go to Development Tool</strong>.</span></li><li id="das_03_0100__li120319412593"><span>In the right pane, click the <span class="uicontrol" id="das_03_0100__uicontrol19769123013215"><b>Database Logins Shared by Others</b></span> tab.</span></li><li id="das_03_0100__li124618311205"><span>Click <span class="uicontrol" id="das_03_0100__uicontrol34391240114210"><b>View My User ID</b></span>. On the displayed page, copy the UID.</span></li><li id="das_03_0100__li1586017151576"><span>Log in to the DAS console using the username and password of the account.</span></li><li id="das_03_0100__li185550192518"><span>On the overview page, click <strong id="das_03_0100__b2897234111214">Go to Development Tool</strong>.</span></li><li id="das_03_0100__li614312394712"><span>On the <strong id="das_03_0100__b18847143941310">My Database Logins</strong> tab, locate the login you want to share and click the number in the <strong id="das_03_0100__b81631231099">Additional Users</strong> column.</span></li><li id="das_03_0100__li17824243163415"><span>On the displayed <strong id="das_03_0100__b2885109201613">View Additional Users</strong> page, click <span class="uicontrol" id="das_03_0100__uicontrol188566321996"><b>Add User</b></span>.</span></li><li id="das_03_0100__li1928752719365"><span>On the displayed <strong id="das_03_0100__b75091431121713">Add User</strong> page, select the adding method.</span><p><ul id="das_03_0100__ul45501238399"><li id="das_03_0100__li135501381994"><strong id="das_03_0100__b432585031714">Manual input</strong>: Enter the UID of user to whom you want to share your database login. If multiple users need to be added, separate their UIDs with semicolons (;).</li><li id="das_03_0100__li1155011381295"><strong id="das_03_0100__b126725718182">Synchronize IAM account</strong>: Select another IAM user of the current account.</li><li id="das_03_0100__li11550133817919"><strong id="das_03_0100__b38497508197">Synchronize EPS user</strong>: Select the target users from the group of the enterprise project.</li></ul>
+</p></li><li id="das_03_0100__li2497144915536"><span>Confirm the settings and click <span class="uicontrol" id="das_03_0100__uicontrol83142418613"><b>OK</b></span>.</span></li><li id="das_03_0100__li12117134371016"><span>Return to the DAS console and check whether the users are successfully added.</span></li><li id="das_03_0100__li5814842121318"><span>Click <strong id="das_03_0100__b796016392210">Log In</strong> to log in to the shared database.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_20_0011.html">User Guide</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_04_0001.html b/docs/das/umn/das_04_0001.html
new file mode 100644
index 00000000..909af6b7
--- /dev/null
+++ b/docs/das/umn/das_04_0001.html
@@ -0,0 +1,31 @@
+<a name="das_04_0001"></a><a name="das_04_0001"></a>
+
+<h1 class="topictitle1">MySQL DB Instance Management (Development Tool)</h1>
+<div id="body1526022397426"></div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_04_0031.html">Homepage</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_04_0045.html">SQL Operations</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_08_0010.html">Database Management</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_04_0098.html">Import and Export</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_04_0085.html">Structure Management</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_04_0056.html">Data Scheme</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_04_0083.html">Background Tasks</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_04_0063.html">Intelligent O&amp;M</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_04_0059.html">Account Management</a></strong><br>
+</li>
+</ul>
+
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_20_0011.html">User Guide</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_04_0008.html b/docs/das/umn/das_04_0008.html
new file mode 100644
index 00000000..43ca92ee
--- /dev/null
+++ b/docs/das/umn/das_04_0008.html
@@ -0,0 +1,29 @@
+<a name="das_04_0008"></a><a name="das_04_0008"></a>
+
+<h1 class="topictitle1">Table Management</h1>
+<div id="body1526025887520"></div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_04_0009.html">Creating a Table</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_04_0010.html">Opening a Table</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_04_0011.html">Viewing Table Details</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_04_0012.html">Altering a Table</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_04_0013.html">Renaming a Table</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_04_0014.html">Clearing a Table</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_04_0018.html">Dropping a Table</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_04_0069.html">Maintaining a Table</a></strong><br>
+</li>
+</ul>
+
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_08_0010.html">Database Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_04_0009.html b/docs/das/umn/das_04_0009.html
new file mode 100644
index 00000000..fa20cf19
--- /dev/null
+++ b/docs/das/umn/das_04_0009.html
@@ -0,0 +1,22 @@
+<a name="das_04_0009"></a><a name="das_04_0009"></a>
+
+<h1 class="topictitle1">Creating a Table</h1>
+<div id="body1526280067076"><div class="section" id="das_04_0009__section8190142214137"><h4 class="sectiontitle">Scenarios</h4><p id="das_04_0009__p1817222471314">A MySQL data table consists of basic information, field/column information, virtual columns, indexes, and foreign keys. The virtual columns, indexes, and foreign keys are optional and can be configured based on service requirements.</p>
+</div>
+<div class="section" id="das_04_0009__section92015282488"><h4 class="sectiontitle">Procedure</h4><ol id="das_04_0009__ol020912236558"><li id="das_04_0009__li13773111132816"><span>On the top menu bar, choose <strong id="das_04_0009__b1690174715592">Database Management</strong>. On the displayed <strong id="das_04_0009__b11723512491">Objects</strong> page, select <strong id="das_04_0009__b2703154115015">Tables</strong> and click <strong id="das_04_0009__b87532101907">Create Table</strong>.</span></li><li id="das_04_0009__li9184434121013"><span>On the displayed page, specify the details under <strong id="das_04_0009__b9353139193315">Basic Information</strong> (<strong id="das_04_0009__b635899163313">Table Name</strong> is mandatory). Click <strong id="das_04_0009__b18218191633310">Next</strong>.</span></li><li id="das_04_0009__li224044583014"><span>On the <strong id="das_04_0009__b762231510102">Column</strong> page, click <strong id="das_04_0009__b66411215131012">Add</strong> and set <strong id="das_04_0009__b5643191520100">Column Name</strong>, <strong id="das_04_0009__b11646131510102">Type</strong>, <strong id="das_04_0009__b3893183419108">Length</strong>, <strong id="das_04_0009__b76487154106">Nullable</strong>, <strong id="das_04_0009__b1264913156108">Primary Key</strong>, <strong id="das_04_0009__b7723048135117">Comment</strong>, and <strong id="das_04_0009__b9649141541014">Extended Information</strong> as needed.</span><p><ul id="das_04_0009__ul1739385315474"><li id="das_04_0009__li10394353144711">If you do not need to add virtual columns, indexes, or foreign keys, click <strong id="das_04_0009__b119642032125317">Create</strong> at the bottom of the page. In the displayed <strong id="das_04_0009__b9703181415418">SQL Preview</strong> dialog box, click <strong id="das_04_0009__b432092811540">Execute</strong>.</li></ul>
+<div class="note" id="das_04_0009__note1194615491434"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="das_04_0009__ul056020372714"><li id="das_04_0009__li256012313276">Only MySQL 5.6.5 and later support default DATETIME values.</li><li id="das_04_0009__li35603332713">In versions earlier than MySQL 5.6.5, leave default values blank. Otherwise, an error occurs.</li></ul>
+</div></div>
+<ul id="das_04_0009__ul1994755644716"><li id="das_04_0009__li18947656194718">If you need to add virtual columns, indexes, and foreign keys, click <strong id="das_04_0009__b18599173305516">Next</strong>. Then, set the column name, type, length, nullable, primary key, expression, storage type, comment, and extended information. If you need to set the table index or foreign key, click <strong id="das_04_0009__b34691395561">Next</strong>. After the setting, click <strong id="das_04_0009__b723496575">Create</strong>.</li></ul>
+<div class="note" id="das_04_0009__note71021220151618"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="das_04_0009__p217616442446">When you create a foreign key, the type of columns in the referenced table must be the same as that of included columns, and must be the primary key or have a unique index.</p>
+</div></div>
+</p></li><li id="das_04_0009__li1024214496301"><span>In the <strong id="das_04_0009__b182361339145717">SQL Preview</strong> dialog box, click <strong id="das_04_0009__b17423142105717">Execute</strong> to create a table.</span></li></ol>
+<div class="note" id="das_04_0009__note18361245141519"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="das_04_0009__ul102901948593"><li id="das_04_0009__li13290744597">The length of a column name is limited. Enter no more than 64 characters for the MySQL engine.</li><li id="das_04_0009__li6290341593">In the <strong id="das_04_0009__b16911088366">Type</strong> column, you can select only the parameters from the drop-down list box.</li><li id="das_04_0009__li0290449591">In the <strong id="das_04_0009__b1705744192813">Length</strong> column, you can change the length for some types of columns.</li><li id="das_04_0009__li1529016411599">If <strong id="das_04_0009__b524525802910">Primary Key</strong> is selected, <strong id="das_04_0009__b932013173015">Nullable</strong> will be grayed out.</li><li id="das_04_0009__li129014417592"><strong id="das_04_0009__b155541050163718">Auto Increment</strong> can be set for one column only. When it is selected, <strong id="das_04_0009__b16665102343815">Primary Key</strong> must be selected, and a default value cannot be set.</li></ul>
+</div></div>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0008.html">Table Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_04_0010.html b/docs/das/umn/das_04_0010.html
new file mode 100644
index 00000000..5f156d67
--- /dev/null
+++ b/docs/das/umn/das_04_0010.html
@@ -0,0 +1,84 @@
+<a name="das_04_0010"></a><a name="das_04_0010"></a>
+
+<h1 class="topictitle1">Opening a Table</h1>
+<div id="body1526280067076"><div class="section" id="das_04_0010__section15978192225616"><h4 class="sectiontitle">Scenarios</h4><p id="das_04_0010__p1990792455610">If a table has primary keys, you can add, delete, modify, or query table data as you do in Excel.</p>
+</div>
+<div class="section" id="das_04_0010__section92015282488"><h4 class="sectiontitle">Procedure</h4><ol id="das_04_0010__ol020912236558"><li id="das_04_0010__li36501041115519"><span>On the top menu bar, choose <strong id="das_04_0010__b1772914121678">Database Management</strong>. On the displayed <strong id="das_04_0010__b4883193545012">Objects</strong> page, select <strong id="das_04_0010__b884195285010">Tables</strong>, locate the target table, and click <strong id="das_04_0010__b14605211382">Open</strong> in the <strong id="das_04_0010__b138701370312">Operation</strong> column.</span></li><li id="das_04_0010__li689310281598"><span>On the table details page, double-click a cell to edit data. After adding or editing data, submit and save the changes.</span><p>
+<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="das_04_0010__table48931828115911" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Functions</caption><thead align="left"><tr id="das_04_0010__row10891132815596"><th align="left" class="cellrowborder" valign="top" width="27%" id="mcps1.3.2.2.2.2.1.2.3.1.1"><p id="das_04_0010__p189122819599">Item</p>
+</th>
+<th align="left" class="cellrowborder" valign="top" width="73%" id="mcps1.3.2.2.2.2.1.2.3.1.2"><p id="das_04_0010__p88911928195912">Description</p>
+</th>
+</tr>
+</thead>
+<tbody><tr id="das_04_0010__row18648270558"><td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.2.2.2.2.1.2.3.1.1 "><p id="das_04_0010__p2651275557">Where Condition</p>
+</td>
+<td class="cellrowborder" valign="top" width="73%" headers="mcps1.3.2.2.2.2.1.2.3.1.2 "><p id="das_04_0010__p165827115514">Filters records.</p>
+</td>
+</tr>
+<tr id="das_04_0010__row10145157165615"><td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.2.2.2.2.1.2.3.1.1 "><p id="das_04_0010__p121468712567">Quickly Generate Test Data</p>
+</td>
+<td class="cellrowborder" valign="top" width="73%" headers="mcps1.3.2.2.2.2.1.2.3.1.2 "><p id="das_04_0010__p131461974563">Quickly generates test data for table structure testing and allows you to set rules.</p>
+</td>
+</tr>
+<tr id="das_04_0010__row12271753165714"><td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.2.2.2.2.1.2.3.1.1 "><p id="das_04_0010__p1027110536574">Copy Row</p>
+</td>
+<td class="cellrowborder" valign="top" width="73%" headers="mcps1.3.2.2.2.2.1.2.3.1.2 "><p id="das_04_0010__p1271205317572">Copies data of the selected row. Specifically, double-click the target row and then click <strong id="das_04_0010__b520512285598">Copy Row</strong>.</p>
+</td>
+</tr>
+<tr id="das_04_0010__row1211422115"><td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.2.2.2.2.1.2.3.1.1 "><p id="das_04_0010__p81162314">Copy Column</p>
+</td>
+<td class="cellrowborder" valign="top" width="73%" headers="mcps1.3.2.2.2.2.1.2.3.1.2 "><p id="das_04_0010__p1511172117">Allows you to copy all data in a column by selecting this column from the <strong id="das_04_0010__b16564175820164">Copy Column</strong> drop-down list.</p>
+</td>
+</tr>
+<tr id="das_04_0010__row1321736918"><td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.2.2.2.2.1.2.3.1.1 "><p id="das_04_0010__p13892828195915">Column Settings</p>
+</td>
+<td class="cellrowborder" valign="top" width="73%" headers="mcps1.3.2.2.2.2.1.2.3.1.2 "><p id="das_04_0010__p589202819591">Allows you to set the columns you want to display.</p>
+</td>
+</tr>
+<tr id="das_04_0010__row9619162819517"><td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.2.2.2.2.1.2.3.1.1 "><p id="das_04_0010__p12892328145917">Binary to Hexadecimal</p>
+</td>
+<td class="cellrowborder" valign="top" width="73%" headers="mcps1.3.2.2.2.2.1.2.3.1.2 "><p id="das_04_0010__p3892112814593">Prevents binary data in columns from being displayed as garbled characters. If there is binary data in columns, you must select this option.</p>
+</td>
+</tr>
+<tr id="das_04_0010__row1489142885917"><td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.2.2.2.2.1.2.3.1.1 "><p id="das_04_0010__p08912028115918">Refresh</p>
+</td>
+<td class="cellrowborder" valign="top" width="73%" headers="mcps1.3.2.2.2.2.1.2.3.1.2 "><p id="das_04_0010__p12891112810597">Allows you to update table data manually.</p>
+</td>
+</tr>
+<tr id="das_04_0010__row1892132825917"><td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.2.2.2.2.1.2.3.1.1 "><p id="das_04_0010__p1389120281598">Row Details</p>
+</td>
+<td class="cellrowborder" valign="top" width="73%" headers="mcps1.3.2.2.2.2.1.2.3.1.2 "><p id="das_04_0010__p1389282835916">Shows the detailed information of a specified row.</p>
+</td>
+</tr>
+<tr id="das_04_0010__row589222820594"><td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.2.2.2.2.1.2.3.1.1 "><p id="das_04_0010__p152631331154">Add</p>
+</td>
+<td class="cellrowborder" valign="top" width="73%" headers="mcps1.3.2.2.2.2.1.2.3.1.2 "><p id="das_04_0010__p182628332512">Allows you to add rows.</p>
+</td>
+</tr>
+<tr id="das_04_0010__row389282818599"><td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.2.2.2.2.1.2.3.1.1 "><p id="das_04_0010__p53157428117">Submit</p>
+</td>
+<td class="cellrowborder" valign="top" width="73%" headers="mcps1.3.2.2.2.2.1.2.3.1.2 "><p id="das_04_0010__p13313174212119">Allows you to submit and save the changes to data.</p>
+</td>
+</tr>
+<tr id="das_04_0010__row48939283598"><td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.2.2.2.2.1.2.3.1.1 "><p id="das_04_0010__p5893728155911">Delete Row</p>
+</td>
+<td class="cellrowborder" valign="top" width="73%" headers="mcps1.3.2.2.2.2.1.2.3.1.2 "><p id="das_04_0010__p1189318289593">Allows you to delete the selected rows.</p>
+</td>
+</tr>
+<tr id="das_04_0010__row10893182811593"><td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.2.2.2.2.1.2.3.1.1 "><p id="das_04_0010__p6892628115917">Export</p>
+</td>
+<td class="cellrowborder" valign="top" width="73%" headers="mcps1.3.2.2.2.2.1.2.3.1.2 "><p id="das_04_0010__p20892428185915">Exports a maximum of 10,000 data records as CSV or SQL files.</p>
+</td>
+</tr>
+</tbody>
+</table>
+</div>
+</p></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0008.html">Table Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_04_0011.html b/docs/das/umn/das_04_0011.html
new file mode 100644
index 00000000..6140490a
--- /dev/null
+++ b/docs/das/umn/das_04_0011.html
@@ -0,0 +1,12 @@
+<a name="das_04_0011"></a><a name="das_04_0011"></a>
+
+<h1 class="topictitle1">Viewing Table Details</h1>
+<div id="body1535356774627"><div class="section" id="das_04_0011__section92015282488"><h4 class="sectiontitle">Procedure</h4><ol id="das_04_0011__ol020912236558"><li id="das_04_0011__li36501041115519"><span>On the top menu bar, choose <strong id="das_04_0011__b96072559204">Database Management</strong>.</span></li><li id="das_04_0011__li13867454203016"><span>On the displayed <strong id="das_04_0011__b16281193313">Objects</strong> page, select <strong id="das_04_0011__b159168146580">Tables</strong>, locate the target table, and click <strong id="das_04_0011__b950334226">View</strong> in the <strong id="das_04_0011__b228473303313">Operation</strong> column.</span></li><li id="das_04_0011__li696971293415"><span>In the displayed dialog box, view basic table information and SQL statements for creating the database.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0008.html">Table Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_04_0012.html b/docs/das/umn/das_04_0012.html
new file mode 100644
index 00000000..492868e3
--- /dev/null
+++ b/docs/das/umn/das_04_0012.html
@@ -0,0 +1,12 @@
+<a name="das_04_0012"></a><a name="das_04_0012"></a>
+
+<h1 class="topictitle1">Altering a Table</h1>
+<div id="body1526280067077"><div class="section" id="das_04_0012__section92015282488"><h4 class="sectiontitle">Procedure</h4><ol id="das_04_0012__ol020912236558"><li id="das_04_0012__li36501041115519"><span>On the top menu bar, choose <strong id="das_04_0012__b722171219231">Database Management</strong>.</span></li><li id="das_04_0012__li985751719240"><span>On the displayed <strong id="das_04_0012__b12704163817379">Objects</strong> page, select <strong id="das_04_0012__b1539620436584">Tables</strong>, locate the target table, and click <span class="uicontrol" id="das_04_0012__uicontrol315572620372"><b>Alter</b></span> in the <strong id="das_04_0012__b18160112614370">Operation</strong> column.</span></li><li id="das_04_0012__li9303194314333"><span>Modify the table information as required. After the modification is complete, click <strong id="das_04_0012__b1737173310396">Alter</strong>.</span></li><li id="das_04_0012__li83001012272"><span>In the <strong id="das_04_0012__b132506137259">SQL Preview</strong> dialog box, click <strong id="das_04_0012__b8308121916257">Execute</strong>.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0008.html">Table Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_04_0013.html b/docs/das/umn/das_04_0013.html
new file mode 100644
index 00000000..066dc30b
--- /dev/null
+++ b/docs/das/umn/das_04_0013.html
@@ -0,0 +1,12 @@
+<a name="das_04_0013"></a><a name="das_04_0013"></a>
+
+<h1 class="topictitle1">Renaming a Table</h1>
+<div id="body1526280067077"><div class="section" id="das_04_0013__section92015282488"><h4 class="sectiontitle">Procedure</h4><ol id="das_04_0013__ol020912236558"><li id="das_04_0013__li1353861725915"><span>On the top menu bar, choose <strong id="das_04_0013__b1061818395259">Database Management</strong>.</span></li><li id="das_04_0013__li985751719240"><span>On the displayed <strong id="das_04_0013__b1051984419404">Objects</strong> page, select <strong id="das_04_0013__b1849883165915">Tables</strong>, locate the target table, and click <strong id="das_04_0013__b1915114311252">Rename</strong> in the <strong id="das_04_0013__b52026314115">Operation</strong> column.</span></li><li id="das_04_0013__li9303194314333"><span>In the displayed dialog box, enter a new table name and click <strong id="das_04_0013__b79681224192816">OK</strong>.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0008.html">Table Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_04_0014.html b/docs/das/umn/das_04_0014.html
new file mode 100644
index 00000000..ffdfa993
--- /dev/null
+++ b/docs/das/umn/das_04_0014.html
@@ -0,0 +1,14 @@
+<a name="das_04_0014"></a><a name="das_04_0014"></a>
+
+<h1 class="topictitle1">Clearing a Table</h1>
+<div id="body1526280067077"><div class="notice" id="das_04_0014__note66377071111037"><span class="noticetitle"><img src="public_sys-resources/notice_3.0-en-us.png"> </span><div class="noticebody"><p id="das_04_0014__p10249075175439">Cleared tables cannot be recovered. Exercise caution when performing this operation.</p>
+</div></div>
+<div class="section" id="das_04_0014__section92015282488"><h4 class="sectiontitle">Procedure</h4><ol id="das_04_0014__ol1154173917281"><li id="das_04_0014__li36501041115519"><span>On the top menu bar, choose <strong id="das_04_0014__b13616191812261">Database Management</strong>.</span></li><li id="das_04_0014__li985751719240"><span>On the displayed <strong id="das_04_0014__b1578010034411">Objects</strong> page, select <strong id="das_04_0014__b1096915514596">Tables</strong>, locate the target table, and choose <strong id="das_04_0014__b378115054413">More</strong> &gt; <strong id="das_04_0014__b107811200447">Clear</strong> in the <strong id="das_04_0014__b11781130204414">Operation</strong> column.</span></li><li id="das_04_0014__li178995497196"><span>In the displayed dialog box, click <strong id="das_04_0014__b330118208110">Yes</strong>.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0008.html">Table Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_04_0018.html b/docs/das/umn/das_04_0018.html
new file mode 100644
index 00000000..2224816c
--- /dev/null
+++ b/docs/das/umn/das_04_0018.html
@@ -0,0 +1,14 @@
+<a name="das_04_0018"></a><a name="das_04_0018"></a>
+
+<h1 class="topictitle1">Dropping a Table</h1>
+<div id="body1526280067077"><div class="notice" id="das_04_0018__note66377071111037"><span class="noticetitle"><img src="public_sys-resources/notice_3.0-en-us.png"> </span><div class="noticebody"><p id="das_04_0018__p10249075175439">Dropped tables cannot be recovered. Exercise caution when performing this operation.</p>
+</div></div>
+<div class="section" id="das_04_0018__section92015282488"><h4 class="sectiontitle">Procedure</h4><ol id="das_04_0018__ol020912236558"><li id="das_04_0018__li18552182917515"><span>On the top menu bar, choose <strong id="das_04_0018__b722171219231">Database Management</strong>.</span></li><li id="das_04_0018__li985751719240"><span>On the displayed <strong id="das_04_0018__b10257327121">Objects</strong> page, select <span class="uicontrol" id="das_04_0018__uicontrol9261112712210"><b>Tables</b></span>, locate the target table, and choose <strong id="das_04_0018__b22621027222">More</strong> &gt; <strong id="das_04_0018__b826222717215">Drop</strong> in the <strong id="das_04_0018__b1726214276212">Operation</strong> column.</span></li><li id="das_04_0018__li9303194314333"><span>In the displayed dialog box, click <strong id="das_04_0018__b8325115442418">Yes</strong>.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0008.html">Table Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_04_0019.html b/docs/das/umn/das_04_0019.html
new file mode 100644
index 00000000..846980d4
--- /dev/null
+++ b/docs/das/umn/das_04_0019.html
@@ -0,0 +1,21 @@
+<a name="das_04_0019"></a><a name="das_04_0019"></a>
+
+<h1 class="topictitle1">View Management</h1>
+<div id="body1541062634767"></div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_04_0020.html">Creating a View</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_04_0022.html">Opening a View</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_04_0023.html">Altering a View</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_04_0025.html">Dropping a View</a></strong><br>
+</li>
+</ul>
+
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_08_0010.html">Database Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_04_0020.html b/docs/das/umn/das_04_0020.html
new file mode 100644
index 00000000..18a2b97f
--- /dev/null
+++ b/docs/das/umn/das_04_0020.html
@@ -0,0 +1,12 @@
+<a name="das_04_0020"></a><a name="das_04_0020"></a>
+
+<h1 class="topictitle1">Creating a View</h1>
+<div id="body1541062636439"><div class="section" id="das_04_0020__section831019159013"><h4 class="sectiontitle">Procedure</h4><ol id="das_04_0020__ol020912236558"><li id="das_04_0020__li19698135116443"><span>On the top menu bar, choose <strong id="das_04_0020__b147406499504">Database Management</strong>. On the displayed <strong id="das_04_0020__b13750104916506">Objects</strong> page, select <strong id="das_04_0020__b1975144915505">Views</strong>.</span></li><li id="das_04_0020__li36501041115519"><span>In the upper left corner of the page, click <span class="uicontrol" id="das_04_0020__uicontrol19382171319132"><b>Create View</b></span>.</span></li><li id="das_04_0020__li9286173210297"><span>On the displayed page, specify information such as view name and definer, choose security, check option, and algorithm from drop-down lists as required, and click <strong id="das_04_0020__b251284120512">Create</strong>.</span></li><li id="das_04_0020__li1024214496301"><span>In the displayed dialog box, click <strong id="das_04_0020__b16510434158">Execute</strong>.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0019.html">View Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_04_0022.html b/docs/das/umn/das_04_0022.html
new file mode 100644
index 00000000..e7468927
--- /dev/null
+++ b/docs/das/umn/das_04_0022.html
@@ -0,0 +1,89 @@
+<a name="das_04_0022"></a><a name="das_04_0022"></a>
+
+<h1 class="topictitle1">Opening a View</h1>
+<div id="body1541062640824"><div class="section" id="das_04_0022__section92015282488"><h4 class="sectiontitle">Procedure</h4><ol id="das_04_0022__ol020912236558"><li id="das_04_0022__li36501041115519"><span>On the top menu bar, choose <strong id="das_04_0022__b1792469144910">Database Management</strong>. On the displayed <strong id="das_04_0022__b12661545131813">Objects</strong> page, select <strong id="das_04_0022__b19376151191913">Views</strong>, locate the target view, and click <strong id="das_04_0022__b1998838161914">Open</strong> in the <strong id="das_04_0022__b7342134217198">Operation</strong> column.</span></li><li id="das_04_0022__li23691341133319"><span>On the displayed page, check the view details directly or using <strong id="das_04_0022__b4588135215227">Where Condition</strong>.</span><p>
+<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="das_04_0022__table48931828115911" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Functions</caption><thead align="left"><tr id="das_04_0022__row10891132815596"><th align="left" class="cellrowborder" valign="top" width="27%" id="mcps1.3.1.2.2.2.1.2.3.1.1"><p id="das_04_0022__p189122819599">Item</p>
+</th>
+<th align="left" class="cellrowborder" valign="top" width="73%" id="mcps1.3.1.2.2.2.1.2.3.1.2"><p id="das_04_0022__p88911928195912">Description</p>
+</th>
+</tr>
+</thead>
+<tbody><tr id="das_04_0022__row18648270558"><td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.1.2.2.2.1.2.3.1.1 "><p id="das_04_0022__p565419401278">Where Condition</p>
+</td>
+<td class="cellrowborder" valign="top" width="73%" headers="mcps1.3.1.2.2.2.1.2.3.1.2 "><p id="das_04_0022__p4654134020719">Filters records.</p>
+</td>
+</tr>
+<tr id="das_04_0022__row10145157165615"><td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.1.2.2.2.1.2.3.1.1 "><p id="das_04_0022__p121468712567">Quickly Generate Test Data</p>
+</td>
+<td class="cellrowborder" valign="top" width="73%" headers="mcps1.3.1.2.2.2.1.2.3.1.2 "><p id="das_04_0022__p131461974563">Quickly generates test data for table structure testing and allows you to set rules.</p>
+</td>
+</tr>
+<tr id="das_04_0022__row12271753165714"><td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.1.2.2.2.1.2.3.1.1 "><p id="das_04_0022__p196544406716">Copy Row</p>
+</td>
+<td class="cellrowborder" valign="top" width="73%" headers="mcps1.3.1.2.2.2.1.2.3.1.2 "><p id="das_04_0022__p2654174019717">Allows you to copy data of a selected row. Specifically, select the target row and click <span class="uicontrol" id="das_04_0022__uicontrol126543401375"><b>Copy Row</b></span>.</p>
+</td>
+</tr>
+<tr id="das_04_0022__row1211422115"><td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.1.2.2.2.1.2.3.1.1 "><p id="das_04_0022__p86548402711">Copy Column</p>
+</td>
+<td class="cellrowborder" valign="top" width="73%" headers="mcps1.3.1.2.2.2.1.2.3.1.2 "><p id="das_04_0022__p196557401676">Allows you to copy data of a selected column. Specifically, click <span class="uicontrol" id="das_04_0022__uicontrol483341415327"><b>Copy Column</b></span> and select a column from the drop-down list.</p>
+</td>
+</tr>
+<tr id="das_04_0022__row55501430354"><td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.1.2.2.2.1.2.3.1.1 "><p id="das_04_0022__p3550103153510">Copy</p>
+</td>
+<td class="cellrowborder" valign="top" width="73%" headers="mcps1.3.1.2.2.2.1.2.3.1.2 "><p id="das_04_0022__p655017312356">Allows you to copy a piece of data. Specifically, hover the cursor on the data and click <strong id="das_04_0022__b88004259489">Copy</strong>.</p>
+</td>
+</tr>
+<tr id="das_04_0022__row1321736918"><td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.1.2.2.2.1.2.3.1.1 "><p id="das_04_0022__p565517405710">Column Settings</p>
+</td>
+<td class="cellrowborder" valign="top" width="73%" headers="mcps1.3.1.2.2.2.1.2.3.1.2 "><p id="das_04_0022__p665516409717">Allows you to set the columns you want to display.</p>
+</td>
+</tr>
+<tr id="das_04_0022__row9619162819517"><td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.1.2.2.2.1.2.3.1.1 "><p id="das_04_0022__p1365520401572">Binary to Hexadecimal</p>
+</td>
+<td class="cellrowborder" valign="top" width="73%" headers="mcps1.3.1.2.2.2.1.2.3.1.2 "><p id="das_04_0022__p206557402718">Prevents binary data in columns from being displayed as garbled characters. If there is binary data in columns, you must select this option.</p>
+</td>
+</tr>
+<tr id="das_04_0022__row1489142885917"><td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.1.2.2.2.1.2.3.1.1 "><p id="das_04_0022__p565518405715">Refresh</p>
+</td>
+<td class="cellrowborder" valign="top" width="73%" headers="mcps1.3.1.2.2.2.1.2.3.1.2 "><p id="das_04_0022__p86551040576">Allows you to update table data manually.</p>
+</td>
+</tr>
+<tr id="das_04_0022__row1892132825917"><td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.1.2.2.2.1.2.3.1.1 "><p id="das_04_0022__p186551401778">Row Details</p>
+</td>
+<td class="cellrowborder" valign="top" width="73%" headers="mcps1.3.1.2.2.2.1.2.3.1.2 "><p id="das_04_0022__p13655940378">Shows the detailed information of a specified row.</p>
+</td>
+</tr>
+<tr id="das_04_0022__row589222820594"><td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.1.2.2.2.1.2.3.1.1 "><p id="das_04_0022__p152631331154">Add</p>
+</td>
+<td class="cellrowborder" valign="top" width="73%" headers="mcps1.3.1.2.2.2.1.2.3.1.2 "><p id="das_04_0022__p182628332512">Allows you to add rows.</p>
+</td>
+</tr>
+<tr id="das_04_0022__row389282818599"><td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.1.2.2.2.1.2.3.1.1 "><p id="das_04_0022__p53157428117">Submit</p>
+</td>
+<td class="cellrowborder" valign="top" width="73%" headers="mcps1.3.1.2.2.2.1.2.3.1.2 "><p id="das_04_0022__p13313174212119">Allows you to submit and save the changes to data.</p>
+</td>
+</tr>
+<tr id="das_04_0022__row48939283598"><td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.1.2.2.2.1.2.3.1.1 "><p id="das_04_0022__p5893728155911">Delete Row</p>
+</td>
+<td class="cellrowborder" valign="top" width="73%" headers="mcps1.3.1.2.2.2.1.2.3.1.2 "><p id="das_04_0022__p1189318289593">Allows you to delete the selected rows.</p>
+</td>
+</tr>
+<tr id="das_04_0022__row10893182811593"><td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.1.2.2.2.1.2.3.1.1 "><p id="das_04_0022__p465515406712">Export</p>
+</td>
+<td class="cellrowborder" valign="top" width="73%" headers="mcps1.3.1.2.2.2.1.2.3.1.2 "><p id="das_04_0022__p66555401771">Exports a maximum of 10,000 data records as CSV or SQL files.</p>
+</td>
+</tr>
+</tbody>
+</table>
+</div>
+<div class="note" id="das_04_0022__note1666015562183"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="das_04_0022__p10660656111818">View data can be only queried, but not be edited, because views do not have primary keys.</p>
+</div></div>
+</p></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0019.html">View Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_04_0023.html b/docs/das/umn/das_04_0023.html
new file mode 100644
index 00000000..239daba5
--- /dev/null
+++ b/docs/das/umn/das_04_0023.html
@@ -0,0 +1,12 @@
+<a name="das_04_0023"></a><a name="das_04_0023"></a>
+
+<h1 class="topictitle1">Altering a View</h1>
+<div id="body1541062642788"><div class="section" id="das_04_0023__section92015282488"><h4 class="sectiontitle">Procedure</h4><ol id="das_04_0023__ol020912236558"><li id="das_04_0023__li23723103433"><span>On the top menu bar, choose <strong id="das_04_0023__b152675073215">Database Management</strong>. On the displayed <strong id="das_04_0023__b7272409328">Objects</strong> page, select <span class="uicontrol" id="das_04_0023__uicontrol6272606323"><b>Views</b></span>, locate the target view, and click <span class="uicontrol" id="das_04_0023__uicontrol4273120173216"><b>Alter</b></span> in the <strong id="das_04_0023__b1127314003213">Operation</strong> column.</span></li><li id="das_04_0023__li9303194314333"><span>On the displayed page, modify the information including the security, algorithm, and view definition statement and click <strong id="das_04_0023__b1182054216336">Alter</strong>.</span></li><li id="das_04_0023__li029871314593"><span>In the displayed dialog box, click <strong id="das_04_0023__b2444205853510">Execute</strong>.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0019.html">View Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_04_0025.html b/docs/das/umn/das_04_0025.html
new file mode 100644
index 00000000..813bcece
--- /dev/null
+++ b/docs/das/umn/das_04_0025.html
@@ -0,0 +1,14 @@
+<a name="das_04_0025"></a><a name="das_04_0025"></a>
+
+<h1 class="topictitle1">Dropping a View</h1>
+<div id="body1541062643707"><div class="notice" id="das_04_0025__note66377071111037"><span class="noticetitle"><img src="public_sys-resources/notice_3.0-en-us.png"> </span><div class="noticebody"><p id="das_04_0025__p10249075175439">Dropped views cannot be recovered. Exercise caution when performing this operation.</p>
+</div></div>
+<div class="section" id="das_04_0025__section92015282488"><h4 class="sectiontitle">Procedure</h4><ol id="das_04_0025__ol020912236558"><li id="das_04_0025__li6372195813501"><span>On the top menu bar, choose <strong id="das_04_0025__b713541366">Database Management</strong>. On the displayed <strong id="das_04_0025__b1365544363">Objects</strong> page, select <span class="uicontrol" id="das_04_0025__uicontrol176145493612"><b>Views</b></span>, locate the target view, and click <span class="uicontrol" id="das_04_0025__uicontrol96254173616"><b>Drop View</b></span> in the <strong id="das_04_0025__b10785433611">Operation</strong> column.</span></li><li id="das_04_0025__li9303194314333"><span>In the displayed dialog box, click <strong id="das_04_0025__b4207194033115">Yes</strong>.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0019.html">View Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_04_0026.html b/docs/das/umn/das_04_0026.html
new file mode 100644
index 00000000..12472cc1
--- /dev/null
+++ b/docs/das/umn/das_04_0026.html
@@ -0,0 +1,19 @@
+<a name="das_04_0026"></a><a name="das_04_0026"></a>
+
+<h1 class="topictitle1">Event Management</h1>
+<div id="body1541062643708"></div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_04_0027.html">Creating an Event</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_04_0028.html">Altering an Event</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_04_0029.html">Dropping an Event</a></strong><br>
+</li>
+</ul>
+
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_08_0010.html">Database Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_04_0027.html b/docs/das/umn/das_04_0027.html
new file mode 100644
index 00000000..b2d8d33d
--- /dev/null
+++ b/docs/das/umn/das_04_0027.html
@@ -0,0 +1,19 @@
+<a name="das_04_0027"></a><a name="das_04_0027"></a>
+
+<h1 class="topictitle1">Creating an Event</h1>
+<div id="body1541062644404"><div class="section" id="das_04_0027__section144661851598"><h4 class="sectiontitle">Scenarios</h4><p id="das_04_0027__p4287447473">This section describes how to create an event to periodically respond to specific operations.</p>
+<p id="das_04_0027__p1146020065716">When <strong id="das_04_0027__b1148653615584">event_scheduler</strong> for RDS DB instances is set to <strong id="das_04_0027__b849215363583">ON</strong> and the event function is enabled, you can perform operations on events.</p>
+<p id="das_04_0027__p128161347112516">When <strong id="das_04_0027__b096119270450">event_scheduler</strong> is set to <strong id="das_04_0027__b29661227154515">OFF</strong>, but the event function is enabled, you can only create events and the events do not take effect.</p>
+</div>
+<div class="section" id="das_04_0027__section192599166"><h4 class="sectiontitle">Procedure</h4><ol id="das_04_0027__ol15937185716454"><li id="das_04_0027__li9585135104611"><span>On the top menu bar, choose <strong id="das_04_0027__b179891547418">Database Management</strong>. On the displayed <strong id="das_04_0027__b1298913541949">Objects</strong> page, select <strong id="das_04_0027__b899018547415">Events</strong>, and click <strong id="das_04_0027__b1499012543410">Create Event</strong>.</span></li><li id="das_04_0027__li17244195816565"><span>Specify an event name (mandatory) and event definition statements (mandatory), set the execution time, status, and comment, and click <strong id="das_04_0027__b2887539462">Create</strong>.</span><p><ul id="das_04_0027__ul044317019123"><li id="das_04_0027__li2809103119123"><strong id="das_04_0027__b620319262416">Event Definition Statements</strong><p id="das_04_0027__p82733361212">Indicates the SQL statements to be executed when a scheduled event is triggered.</p>
+</li><li id="das_04_0027__li32586251212"><strong id="das_04_0027__b193401523847">Dropped upon expiration</strong><ul id="das_04_0027__ul141881022316"><li id="das_04_0027__li5281659163017">Indicates that the events to be executed at a fixed point in time will be deleted after they are executed.</li><li id="das_04_0027__li05865943013">Indicates that the events to be periodically executed will be deleted at the specified end time.</li></ul>
+</li></ul>
+</p></li><li id="das_04_0027__li1308434173519"><span>In the displayed dialog box, click <strong id="das_04_0027__b165971940121518">Execute</strong>. If no error is reported, the event takes effect.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0026.html">Event Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_04_0028.html b/docs/das/umn/das_04_0028.html
new file mode 100644
index 00000000..d800eaf5
--- /dev/null
+++ b/docs/das/umn/das_04_0028.html
@@ -0,0 +1,14 @@
+<a name="das_04_0028"></a><a name="das_04_0028"></a>
+
+<h1 class="topictitle1">Altering an Event</h1>
+<div id="body1541062644934"><div class="section" id="das_04_0028__section1129215618518"><h4 class="sectiontitle">Scenarios</h4><p id="das_04_0028__p1510045820510">This section describes how to alter an event.</p>
+</div>
+<div class="section" id="das_04_0028__section226915276"><h4 class="sectiontitle">Procedure</h4><ol id="das_04_0028__ol15937185716454"><li id="das_04_0028__li15374151116329"><span>On the top menu bar, choose <strong id="das_04_0028__b6316175411716">Database Management</strong>. On the displayed <strong id="das_04_0028__b1532110543174">Objects</strong> page, select <span class="uicontrol" id="das_04_0028__uicontrol1032195417179"><b>Events</b></span>, locate the target event, and click <span class="uicontrol" id="das_04_0028__uicontrol232115411719"><b>Alter</b></span> in the <strong id="das_04_0028__b5322954121718">Operation</strong> column.</span></li><li id="das_04_0028__li13968131894216"><span>On the displayed page, modify the required information and click <strong id="das_04_0028__b114550613814">Alter</strong>.</span></li><li id="das_04_0028__li171873714236"><span>In the displayed dialog box, click <strong id="das_04_0028__b9950103614213">Execute</strong>.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0026.html">Event Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_04_0029.html b/docs/das/umn/das_04_0029.html
new file mode 100644
index 00000000..e52504fc
--- /dev/null
+++ b/docs/das/umn/das_04_0029.html
@@ -0,0 +1,12 @@
+<a name="das_04_0029"></a><a name="das_04_0029"></a>
+
+<h1 class="topictitle1">Dropping an Event</h1>
+<div id="body1541062645235"><div class="section" id="das_04_0029__section5105163875218"><h4 class="sectiontitle">Procedure</h4><ol id="das_04_0029__ol15937185716454"><li id="das_04_0029__li4668192315254"><span>On the top menu bar, choose <strong id="das_04_0029__b0064711228">Database Management</strong>. On the displayed <strong id="das_04_0029__b14544792212">Objects</strong> page, select <span class="uicontrol" id="das_04_0029__uicontrol353471224"><b>Events</b></span>, locate the target event, and click <span class="uicontrol" id="das_04_0029__uicontrol116194710228"><b>Drop</b></span> in the <strong id="das_04_0029__b1562047142217">Operation</strong> column.</span></li><li id="das_04_0029__li1168475814525"><span>In the displayed dialog box, click <strong id="das_04_0029__b19852119161011">Yes</strong>.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0026.html">Event Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_04_0030.html b/docs/das/umn/das_04_0030.html
new file mode 100644
index 00000000..c48d95c9
--- /dev/null
+++ b/docs/das/umn/das_04_0030.html
@@ -0,0 +1,21 @@
+<a name="das_04_0030"></a><a name="das_04_0030"></a>
+
+<h1 class="topictitle1">Stored Procedure Management</h1>
+<div id="body1541062645236"></div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_04_0067.html">Creating a Stored Procedure</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_04_0032.html">Altering or Executing a Stored Procedure</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_04_0033.html">Dropping a Stored Procedure</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_04_0110.html">Viewing Stored Procedure Details</a></strong><br>
+</li>
+</ul>
+
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_08_0010.html">Database Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_04_0031.html b/docs/das/umn/das_04_0031.html
new file mode 100644
index 00000000..52290d1f
--- /dev/null
+++ b/docs/das/umn/das_04_0031.html
@@ -0,0 +1,21 @@
+<a name="das_04_0031"></a><a name="das_04_0031"></a>
+
+<h1 class="topictitle1">Homepage</h1>
+<div id="body1533260691251"></div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_08_0014.html">Overview</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_03_0090.html">Creating a Database</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_08_0011.html">Dropping a Database</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_08_0016.html">Data Dictionary</a></strong><br>
+</li>
+</ul>
+
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0001.html">MySQL DB Instance Management (Development Tool)</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_04_0032.html b/docs/das/umn/das_04_0032.html
new file mode 100644
index 00000000..987270d5
--- /dev/null
+++ b/docs/das/umn/das_04_0032.html
@@ -0,0 +1,12 @@
+<a name="das_04_0032"></a><a name="das_04_0032"></a>
+
+<h1 class="topictitle1">Altering or Executing a Stored Procedure</h1>
+<div id="body1541062647278"><div class="section" id="das_04_0032__section183231805564"><h4 class="sectiontitle">Procedure</h4><ol id="das_04_0032__ol15937185716454"><li id="das_04_0032__li15374151116329"><span>On the top menu bar, choose <strong id="das_04_0032__b14903111512358">Database Management</strong>. On the displayed <strong id="das_04_0032__b2908181563511">Objects</strong> tab, choose <span class="uicontrol" id="das_04_0032__uicontrol1290891523513"><b>Stored Procedures</b></span> on the left, locate the target procedure, and click <span class="uicontrol" id="das_04_0032__uicontrol79087156357"><b>Alter or Execute</b></span> in the <strong id="das_04_0032__b18908191511358">Operation</strong> column.</span></li><li id="das_04_0032__li18484204912311"><span>On the displayed page, click <strong id="das_04_0032__b18279160143918">Option</strong> to set parameters as required and click <strong id="das_04_0032__b345114258396">OK</strong>. Then, click <strong id="das_04_0032__b496616588228">Save</strong>.</span></li><li id="das_04_0032__li1124843983"><span>Execute the stored procedure and view the execution status in the <strong id="das_04_0032__b164851655134012">Message</strong> area.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0030.html">Stored Procedure Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_04_0033.html b/docs/das/umn/das_04_0033.html
new file mode 100644
index 00000000..9e1db37d
--- /dev/null
+++ b/docs/das/umn/das_04_0033.html
@@ -0,0 +1,14 @@
+<a name="das_04_0033"></a><a name="das_04_0033"></a>
+
+<h1 class="topictitle1">Dropping a Stored Procedure</h1>
+<div id="body1541062647626"><div class="section" id="das_04_0033__section295911254916"><h4 class="sectiontitle">Procedure</h4><ol id="das_04_0033__ol18960925691"><li id="das_04_0033__li4668192315254"><span>On the top menu bar, choose <strong id="das_04_0033__b9290124917447">Database Management</strong>. On the displayed <strong id="das_04_0033__b4295144910442">Objects</strong> tab, choose <span class="uicontrol" id="das_04_0033__uicontrol1729615498447"><b>Stored Procedures</b></span> on the left, locate the target stored procedure, and click <span class="uicontrol" id="das_04_0033__uicontrol172961149184414"><b>Drop</b></span> in the <strong id="das_04_0033__b18296154904417">Operation</strong> column.</span></li><li id="das_04_0033__li1168475814525"><span>In the displayed dialog box, click <strong id="das_04_0033__b1598319555241">Yes</strong>.</span><p><div class="notice" id="das_04_0033__note66377071111037"><span class="noticetitle"><img src="public_sys-resources/notice_3.0-en-us.png"> </span><div class="noticebody"><p id="das_04_0033__p10249075175439">Dropped stored procedures cannot be recovered. Exercise caution when performing this operation.</p>
+</div></div>
+</p></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0030.html">Stored Procedure Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_04_0035.html b/docs/das/umn/das_04_0035.html
new file mode 100644
index 00000000..5e462bc9
--- /dev/null
+++ b/docs/das/umn/das_04_0035.html
@@ -0,0 +1,21 @@
+<a name="das_04_0035"></a><a name="das_04_0035"></a>
+
+<h1 class="topictitle1">Function Management</h1>
+<div id="body1541062647996"></div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_04_0036.html">Creating a Function</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_04_0037.html">Altering or Executing a Function</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_04_0038.html">Dropping a Function</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_04_0039.html">Viewing Details of a Function</a></strong><br>
+</li>
+</ul>
+
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_08_0010.html">Database Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_04_0036.html b/docs/das/umn/das_04_0036.html
new file mode 100644
index 00000000..ab25a149
--- /dev/null
+++ b/docs/das/umn/das_04_0036.html
@@ -0,0 +1,12 @@
+<a name="das_04_0036"></a><a name="das_04_0036"></a>
+
+<h1 class="topictitle1">Creating a Function</h1>
+<div id="body1541062649296"><div class="section" id="das_04_0036__section1573305620545"><h4 class="sectiontitle">Procedure</h4><ol id="das_04_0036__ol15937185716454"><li id="das_04_0036__li9585135104611"><span>On the top menu bar, choose <strong id="das_04_0036__b1568621164719">Database Management</strong>. On the displayed <strong id="das_04_0036__b1857362115476">Objects</strong> page, select <strong id="das_04_0036__b2573132118479">Functions</strong>, and click <strong id="das_04_0036__b5573172134712">Create Function</strong>.</span></li><li id="das_04_0036__li1058695125617"><span>In the displayed dialog box, specify the function name, returned value, and description, and click <strong id="das_04_0036__b1429661681311">OK</strong>.</span></li><li id="das_04_0036__li84521329145119"><span>On the displayed page, edit the function body.</span></li><li id="das_04_0036__li1842951181611"><span>In the upper left corner, click <strong id="das_04_0036__b1654738132218">Option</strong>. In the displayed dialog box, set required parameters and click <strong id="das_04_0036__b12651160102317">OK</strong>.</span></li><li id="das_04_0036__li142461358141620"><span>Click <strong id="das_04_0036__b286514065513">Save</strong>, or click <strong id="das_04_0036__b0866200195513">Execute</strong> and view the status in the <strong id="das_04_0036__b118661508553">Message</strong> area.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0035.html">Function Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_04_0037.html b/docs/das/umn/das_04_0037.html
new file mode 100644
index 00000000..d66f2130
--- /dev/null
+++ b/docs/das/umn/das_04_0037.html
@@ -0,0 +1,12 @@
+<a name="das_04_0037"></a><a name="das_04_0037"></a>
+
+<h1 class="topictitle1">Altering or Executing a Function</h1>
+<div id="body1541062649848"><div class="section" id="das_04_0037__section1157219584419"><h4 class="sectiontitle">Procedure</h4><ol id="das_04_0037__ol15937185716454"><li id="das_04_0037__li15374151116329"><span>On the top menu bar, choose <strong id="das_04_0037__b20240451185617">Database Management</strong>. On the <strong id="das_04_0037__b1024555115566">Objects</strong> page, select <strong id="das_04_0037__b182451151185619">Functions</strong>, locate the target function, and click <strong id="das_04_0037__b9246185117562">Alter or Execute Function</strong> in the <strong id="das_04_0037__b8294182415712">Operation</strong> column.</span></li><li id="das_04_0037__li14338051104311"><span>On the displayed page, click <strong id="das_04_0037__b5411135217592">Option</strong> and set parameters as required. Then, click <strong id="das_04_0037__b541295275911">Save</strong> to save the settings or click <strong id="das_04_0037__b44126524598">Execute</strong> to invoke the function.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0035.html">Function Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_04_0038.html b/docs/das/umn/das_04_0038.html
new file mode 100644
index 00000000..3e21bf32
--- /dev/null
+++ b/docs/das/umn/das_04_0038.html
@@ -0,0 +1,14 @@
+<a name="das_04_0038"></a><a name="das_04_0038"></a>
+
+<h1 class="topictitle1">Dropping a Function</h1>
+<div id="body1541062650086"><div class="section" id="das_04_0038__section1427115012504"><h4 class="sectiontitle">Procedure</h4><ol id="das_04_0038__ol15937185716454"><li id="das_04_0038__li10481428104417"><span>On the top menu bar, choose <strong id="das_04_0038__b2070315581927">Database Management</strong>. On the displayed <strong id="das_04_0038__b1170413581823">Objects</strong> page, select <span class="uicontrol" id="das_04_0038__uicontrol11704258824"><b>Functions</b></span>, locate the target function, and click <span class="uicontrol" id="das_04_0038__uicontrol1770414588211"><b>Drop Function</b></span> in the <strong id="das_04_0038__b1370517581429">Operation</strong> column.</span></li><li id="das_04_0038__li1168475814525"><span>In the displayed dialog box, click <strong id="das_04_0038__b4908104613017">Yes</strong>.</span><p><div class="notice" id="das_04_0038__note66377071111037"><span class="noticetitle"><img src="public_sys-resources/notice_3.0-en-us.png"> </span><div class="noticebody"><p id="das_04_0038__p10249075175439">Dropped functions cannot be recovered. Exercise caution when performing this operation.</p>
+</div></div>
+</p></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0035.html">Function Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_04_0039.html b/docs/das/umn/das_04_0039.html
new file mode 100644
index 00000000..8206d153
--- /dev/null
+++ b/docs/das/umn/das_04_0039.html
@@ -0,0 +1,12 @@
+<a name="das_04_0039"></a><a name="das_04_0039"></a>
+
+<h1 class="topictitle1">Viewing Details of a Function</h1>
+<div id="body0000001127157410"><div class="section" id="das_04_0039__section174057196813"><h4 class="sectiontitle">Procedure</h4><ol id="das_04_0039__ol15937185716454"><li id="das_04_0039__li10481428104417"><span>In the top menu bar, choose <strong id="das_04_0039__b664753318548">Database Management</strong>. In the navigation pane on the left, choose <strong id="das_04_0039__b1430431025715">Functions</strong>, locate the function whose details you want to view and click <strong id="das_04_0039__b7893127218">View Function</strong> in the <strong id="das_04_0039__b8479831312">Operation</strong> column.</span></li><li id="das_04_0039__li1168475814525"><span>In the displayed dialog box, view function details and click <strong id="das_04_0039__b25568341404">Close</strong>.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0035.html">Function Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_04_0041.html b/docs/das/umn/das_04_0041.html
new file mode 100644
index 00000000..90830431
--- /dev/null
+++ b/docs/das/umn/das_04_0041.html
@@ -0,0 +1,20 @@
+<a name="das_04_0041"></a><a name="das_04_0041"></a>
+
+<h1 class="topictitle1">Data Export</h1>
+<div id="body1565678263143"><div class="section" id="das_04_0041__section162978016466"><h4 class="sectiontitle">Prerequisites</h4><p id="das_04_0041__p17173940183619">You have created a user database on the MySQL database management page. For details, see <a href="das_03_0090.html">Creating a Database</a>.</p>
+</div>
+<div class="section" id="das_04_0041__section60461353162212"><h4 class="sectiontitle">Scenarios</h4><p id="das_04_0041__p4287447473">Use pagination to query large amounts of data. You can export all the data at a time when backing up or migrating data.</p>
+</div>
+<div class="section" id="das_04_0041__section18193850204214"><h4 class="sectiontitle">Procedure</h4><ol id="das_04_0041__ol11642542194818"><li id="das_04_0041__li824152914346"><span>On the login page, enter the account and password to log in to the management console.</span></li><li id="das_04_0041__li1087344912452"><span>Click <span><img id="das_04_0041__image187519493456" src="en-us_image_0000001387911349.png"></span> in the upper left corner and select the desired region and project.</span></li><li id="das_04_0041__li154311814343"><span>Under <strong id="das_04_0041__b3946140212">Database</strong>, click <strong id="das_04_0041__b199461740111">Data Admin Service</strong>.</span></li><li id="das_04_0041__li1177615407343"><span>Locate the target database and click <span class="uicontrol" id="das_04_0041__uicontrol148711735183518"><b>Log In</b></span> in the <strong id="das_04_0041__b6326104319216">Operation</strong> column. The homepage of the MySQL database management is displayed.</span></li><li id="das_04_0041__li196931101612"><span>On the top menu bar, choose <strong id="das_04_0041__b181861147121019">Import and Export</strong> &gt; <strong id="das_04_0041__b19191204713107">Export</strong>.</span></li><li id="das_04_0041__li19543219454"><span>On the displayed page, click <strong id="das_04_0041__b119171349131619">Create Task</strong> and choose <strong id="das_04_0041__b1626892610175">Export Database</strong> or <strong id="das_04_0041__b3965172116171">Export SQL Result</strong> as required. The following takes database export as an example.</span><p><p id="das_04_0041__p1494911421134">Alternatively, click <span class="uicontrol" id="das_04_0041__uicontrol176641137461"><b>Quick Export</b></span> and select the target database. On the displayed page, select a storage path and click <strong id="das_04_0041__b9675637463">OK</strong>.</p>
+</p></li><li id="das_04_0041__li11471916598"><span>On the displayed page, set parameters as required in areas <strong id="das_04_0041__b108843113474">Basic Information</strong> and <strong id="das_04_0041__b7901181134710">Advanced Settings</strong>. Then, select the tables to be exported on the right.</span><p><div class="note" id="das_04_0041__note3553191663116"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="das_04_0041__ul1071401616309"><li id="das_04_0041__li177141216193013">In a SQL result export task, the executed SQL statements cannot exceed 5 MB.<p id="das_04_0041__p5117192343416"><a name="das_04_0041__li177141216193013"></a><a name="li177141216193013"></a></p>
+</li><li id="das_04_0041__li85685217305">Databases are classified into user databases and system databases. System database cannot be exported. If system database data is required, deploy system database services in a created user database, so that you can export the system database data from the user database.</li><li id="das_04_0041__li12181231203416">DAS connects to your standby database to export data. This prevents the primary database from being affected by data export. However, if the standby database has a high replication delay, the exported data may not be the latest.</li></ul>
+</div></div>
+</p></li><li id="das_04_0041__li11439175804"><span>After settings are complete, click <strong id="das_04_0041__b199491751123020">OK</strong>.</span></li><li id="das_04_0041__li92619315319"><span>In the task list, view the task ID, type, status, and progress.</span></li><li id="das_04_0041__li15086018120"><span>Click <strong id="das_04_0041__b157834310234">Details</strong> in the <strong id="das_04_0041__b9999445152318">Operation</strong> column to view task details.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0098.html">Import and Export</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_04_0042.html b/docs/das/umn/das_04_0042.html
new file mode 100644
index 00000000..335d3f4b
--- /dev/null
+++ b/docs/das/umn/das_04_0042.html
@@ -0,0 +1,26 @@
+<a name="das_04_0042"></a><a name="das_04_0042"></a>
+
+<h1 class="topictitle1">Data Import</h1>
+<div id="body1565678263875"><div class="section" id="das_04_0042__section894425815332"><h4 class="sectiontitle">Scenarios</h4><p id="das_04_0042__p984770103418">Import data from your local PC or OBS bucket for data backup and migration.</p>
+</div>
+<div class="section" id="das_04_0042__section60461353162212"><h4 class="sectiontitle">Operation Description</h4><p id="das_04_0042__p838663920460">Import data into a table for backup or data migration. The table structure to be imported must be the same as that of the target table. If you import a CSV or SQL file, the data type of the target table must be the same. The imported file should be no larger than 10 GB.</p>
+<p id="das_04_0042__p1368114540178">Data files in the CSV or SQL format can be imported.</p>
+</div>
+<div class="section" id="das_04_0042__section5642820121812"><h4 class="sectiontitle">Procedure</h4><ol id="das_04_0042__ol954991264919"><li id="das_04_0042__li75504128499"><span>On the top menu bar, choose <strong id="das_04_0042__b720631049">Import and Export</strong> &gt; <strong id="das_04_0042__b1220813115418">Import</strong>.</span></li><li id="das_04_0042__li14606735163019"><span>Import a file from your local PC or an OBS bucket.</span><p><ul id="das_04_0042__ul106477724915"><li id="das_04_0042__li14647670499">From your local PC</li></ul>
+<p id="das_04_0042__p19647878490">In the upper left corner, click <span class="uicontrol" id="das_04_0042__uicontrol449211745912"><b>Create Task</b></span>. On the displayed page, select an import type, select <span class="uicontrol" id="das_04_0042__uicontrol1250112173594"><b>Upload file</b></span> for <strong id="das_04_0042__b950251719599">File Source</strong>, set the attachment storage, and upload the file. Then, set other parameters as required.</p>
+<p id="das_04_0042__p1264737134916">For security purposes, imported files are stored in OBS buckets.</p>
+<div class="note" id="das_04_0042__note106471270495"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="das_04_0042__ul964716774910"><li id="das_04_0042__li1864710774914">To keep your data secure, provide your own OBS bucket to store the attachments you upload. In this way, DAS automatically connects to your OBS bucket for in-memory reading.</li><li id="das_04_0042__li14647374498">If you select <strong id="das_04_0042__b5532547135916">Delete the uploaded file upon an import success</strong>, the file you upload will be automatically deleted from the OBS bucket after being imported to the destination database.</li></ul>
+</div></div>
+<ul id="das_04_0042__ul1364718714492"><li id="das_04_0042__li1647147104920">From an OBS bucket<p id="das_04_0042__p7647107134915"><a name="das_04_0042__li1647147104920"></a><a name="li1647147104920"></a>In the upper left corner, click <span class="uicontrol" id="das_04_0042__uicontrol121271854175911"><b>Create Task</b></span>. On the displayed page, select an import type, select <span class="uicontrol" id="das_04_0042__uicontrol7127854185911"><b>Choose from OBS</b></span> for <strong id="das_04_0042__b141281954165913">File Source</strong>, and select a file from the bucket. Then, set other parameters as required.</p>
+</li></ul>
+<div class="note" id="das_04_0042__note86475712496"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="das_04_0042__p18647197194915">The file uploaded from an OBS bucket will not be deleted upon an import success.</p>
+</div></div>
+</p></li><li id="das_04_0042__li6820348191217"><span>After setting the import parameters, click <span class="uicontrol" id="das_04_0042__uicontrol99041842174"><b>Create</b></span>. Confirm the information again before you click <strong id="das_04_0042__b2523472002">OK</strong> because original data may be overwritten after data import.</span></li><li id="das_04_0042__li145843244818"><span>View the import progress in the task list or check task details.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0098.html">Import and Export</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_04_0045.html b/docs/das/umn/das_04_0045.html
new file mode 100644
index 00000000..d7e7ec11
--- /dev/null
+++ b/docs/das/umn/das_04_0045.html
@@ -0,0 +1,26 @@
+<a name="das_04_0045"></a><a name="das_04_0045"></a>
+
+<h1 class="topictitle1">SQL Operations</h1>
+<div id="body1526022397426"><p id="das_04_0045__p1363314814282">DAS manages database objects through SQL statements, facilitating user operations.</p>
+</div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_04_0046.html">SQL Window</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_04_0047.html">Executing SQL Statements</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_04_0074.html">Tuning SQL Statements</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_04_0048.html">Executing SQL Plan</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_04_0050.html">SQL Favorites</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_04_0084.html">SQL History</a></strong><br>
+</li>
+</ul>
+
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0001.html">MySQL DB Instance Management (Development Tool)</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_04_0046.html b/docs/das/umn/das_04_0046.html
new file mode 100644
index 00000000..585b17b3
--- /dev/null
+++ b/docs/das/umn/das_04_0046.html
@@ -0,0 +1,15 @@
+<a name="das_04_0046"></a><a name="das_04_0046"></a>
+
+<h1 class="topictitle1">SQL Window</h1>
+<div id="body1541062656454"><div class="section" id="das_04_0046__section92015282488"><h4 class="sectiontitle">Procedure</h4><ol id="das_04_0046__ol11700203645918"><li id="das_04_0046__li865994011591"><span>On the top menu bar, choose <strong id="das_04_0046__b20707122615315">SQL Operations</strong> &gt; <strong id="das_04_0046__b1870911266311">SQL Window</strong>.</span></li><li id="das_04_0046__li9888141281210"><span>In the navigation pane, select a database, and then specify a table or view.</span><p><ul id="das_04_0046__ul154627317148"><li id="das_04_0046__li146103141413"><strong id="das_04_0046__b14935618143814">Execute SQL</strong>: executes SQL statements.</li><li id="das_04_0046__li2046118312148"><strong id="das_04_0046__b1612011228388">Tune SQL</strong>: queries the SQL statements that are executed frequently, consume a large amount of resources, or take a long time to execute.</li><li id="das_04_0046__li10461173141419"><strong id="das_04_0046__b1790582513810">Execute SQL Plan</strong>: reports the execution of SQL statements to facilitate troubleshooting and optimize SQL processing performance.</li><li id="das_04_0046__li946112331413"><strong id="das_04_0046__b1535171595810">SQL Favorites</strong>: allows you to add, view, and manage frequently used SQL statements.</li><li id="das_04_0046__li11462123151415"><strong id="das_04_0046__b9686131014587">Format SQL</strong>: improves the readability of SQL statements. Formatting SQL statements enables statements to be displayed in line break mode, but does not change their logic and semantics.<p id="das_04_0046__p9241133211126">The formatting takes effect for all the SQL statements in the SQL window. You cannot format only the selected statements.</p>
+</li><li id="das_04_0046__li19176413183214"><strong id="das_04_0046__b104731640175716">SQL Input Prompt</strong>: helps you to select your desired database, table, or field name as prompted to quickly enter statements in the SQL window.</li><li id="das_04_0046__li1962131717358">Overwrite/Append Mode:<ul id="das_04_0046__ul18375142712350"><li id="das_04_0046__li0509132333515"><strong id="das_04_0046__b181974311577">Append Mode:</strong> Each time a SQL statement is executed, the new result set is appended to the previous one.</li><li id="das_04_0046__li387121993417"><strong id="das_04_0046__b125619445575">Overwrite Mode</strong>: Each time a SQL statement is executed, the new result set overwrites the previous one.</li></ul>
+</li><li id="das_04_0046__li1060919373347"><strong id="das_04_0046__b844314451578">Full Screen</strong>: shows SQL statements on a full screen.</li></ul>
+</p></li><li id="das_04_0046__li87941948184411"><span>After SQL statements are executed, view SQL execution status on the <span class="uicontrol" id="das_04_0046__uicontrol1427445315712"><b>Executed SQL Statements</b></span>, <span class="uicontrol" id="das_04_0046__uicontrol202831153155716"><b>Messages</b></span>, and <span class="uicontrol" id="das_04_0046__uicontrol1128365385710"><b>Result Set</b></span> tab pages.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0045.html">SQL Operations</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_04_0047.html b/docs/das/umn/das_04_0047.html
new file mode 100644
index 00000000..baea0f43
--- /dev/null
+++ b/docs/das/umn/das_04_0047.html
@@ -0,0 +1,17 @@
+<a name="das_04_0047"></a><a name="das_04_0047"></a>
+
+<h1 class="topictitle1">Executing SQL Statements</h1>
+<div id="body1531466991825"><div class="section" id="das_04_0047__section112555914186"><h4 class="sectiontitle">Procedure</h4><ol id="das_04_0047__ol357117409449"><li id="das_04_0047__li38761328204514"><span>On the top menu bar, choose <strong id="das_04_0047__b1668903514440">SQL Operations</strong> &gt; <strong id="das_04_0047__b45267015458">SQL Window</strong>. In the SQL window, select a database from the navigation pane.</span></li><li id="das_04_0047__li865994011591"><span>Enter SQL statements in the SQL window and click <strong id="das_04_0047__b1910303619537">Execute SQL</strong>.</span><p><ul id="das_04_0047__ul1445123491616"><li id="das_04_0047__li718811132125">Enabling <strong id="das_04_0047__b16654915175118">SQL Input Prompt</strong> is recommended<strong id="das_04_0047__b650417114516">.</strong> It helps you to select your desired database, table, or field name as prompted to quickly enter statements in the SQL window.</li><li id="das_04_0047__li869110386167">To protect query result sets from being displayed as garbled characters caused by UTF-8, the default encoding format, select an encoding format as needed.</li><li id="das_04_0047__li15444103481615">To execute multiple SQL statements at a time, separate them using semicolons (;). In this case, click <strong id="das_04_0047__b259756195911">Full Screen</strong> to view the logics in SQL statements clearly.<ul id="das_04_0047__ul8566150131816"><li id="das_04_0047__li16444133491614">To execute some of the SQL statements, select the statements before executing them.</li><li id="das_04_0047__li244515348169">To execute all the SQL statements, do not select any SQL statements or select all of them.</li></ul>
+</li></ul>
+</p></li><li id="das_04_0047__li125091725194618"><span>View the SQL execution details on <strong id="das_04_0047__b18770940605">Executed SQL Statements</strong> and <strong id="das_04_0047__b378010404019">Messages</strong> tab pages, including the SQL execution history, execution status, impact scope, execution progress, and elapsed time.</span></li><li id="das_04_0047__li53576710813"><span>On the <strong id="das_04_0047__b1481204416011">Result Sets</strong> tab, view the execution details. You can perform the following operations on the result sets:</span><p><ul id="das_04_0047__ul373662017207"><li id="das_04_0047__li17703191442115"><strong id="das_04_0047__b129715212015">Copy Row</strong>/<strong id="das_04_0047__b141045521008">Copy Column</strong>: copies a row or column for reuse.</li><li id="das_04_0047__li117914246215"><strong id="das_04_0047__b1087563216">Column Settings</strong>: customizes the columns to display when there are a large number of columns in the query result.</li><li id="das_04_0047__li16737112015201"><strong id="das_04_0047__b144641642133913">Binary to Hexadecimal</strong>: converts the binary data in the result set into hexadecimal data for display.</li><li id="das_04_0047__li1373713202202"><strong id="das_04_0047__b194591014917">Refresh</strong>: refreshes the changed data.</li><li id="das_04_0047__li339919276206"><strong id="das_04_0047__b735211395514">Row Details</strong>: displays the column field name, value, and type of the selected row.</li><li id="das_04_0047__li856033514201"><strong id="das_04_0047__b6612174524017">Add</strong>: adds an empty row to the result set.</li><li id="das_04_0047__li15754164210209"><strong id="das_04_0047__b14366186194217">Submit</strong>: views the SQL statements to be modified. After you click <strong id="das_04_0047__b0735124714210">OK</strong>, the result set is updated to the latest.</li><li id="das_04_0047__li1872292783411"><strong id="das_04_0047__b144101178433">Delete Row</strong>: deletes the selected row, including the data.</li><li id="das_04_0047__li02681956162013"><strong id="das_04_0047__b455713355434">Export</strong>: allows you to export the data in a SQL or CSV file. A maximum of 10,000 rows of data can be exported.</li><li id="das_04_0047__li10236155083814"><strong id="das_04_0047__b19972164915448">Export More</strong>: redirects you to the data export page and allows you to export over 10,000 rows of data.<div class="note" id="das_04_0047__note1723655019381"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="das_04_0047__ul42351450133817"><li id="das_04_0047__li1623535043811">If the result set involves a view, you cannot edit the data.</li><li id="das_04_0047__li18235145033818">If the type of the result set is metadata, the data cannot be edited or displayed on multiple pages.</li><li id="das_04_0047__li9235175018385">If the result set involves multiple tables, you cannot edit the data.</li><li id="das_04_0047__li6235150113818">If the result set involves only one table and does not include all the primary key columns of the table or no primary key is found, you cannot edit the data.</li><li id="das_04_0047__li14235450123819">Virtual tables (for example, tables generated during SQL execution) cannot be edited.</li></ul>
+</div></div>
+</li></ul>
+</p></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0045.html">SQL Operations</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_04_0048.html b/docs/das/umn/das_04_0048.html
new file mode 100644
index 00000000..f9686687
--- /dev/null
+++ b/docs/das/umn/das_04_0048.html
@@ -0,0 +1,15 @@
+<a name="das_04_0048"></a><a name="das_04_0048"></a>
+
+<h1 class="topictitle1">Executing SQL Plan</h1>
+<div id="body1531466991826"><div class="section" id="das_04_0048__section60461353162212"><h4 class="sectiontitle">Scenarios</h4><p id="das_04_0048__p4287447473">This section describes how to analyze the execution efficiency of the current SQL statement.</p>
+</div>
+<div class="section" id="das_04_0048__section112555914186"><h4 class="sectiontitle">Procedure</h4><ol id="das_04_0048__ol6397961556"><li id="das_04_0048__li1346814311418"><span>On the top menu bar, choose <strong id="das_04_0048__b1712585761717">SQL Operations</strong> &gt; <strong id="das_04_0048__b111341757181720">SQL Window</strong>. In the SQL window, select a database from the navigation pane.</span></li><li id="das_04_0048__li38761328204514"><span>Enter SQL statements in the SQL window and click <strong id="das_04_0048__b260730184418">Execute SQL Plan</strong>.</span><p><ul id="das_04_0048__ul11834711101920"><li id="das_04_0048__li8387171412616">On the <strong id="das_04_0048__b7953316399">Executed SQL Statements</strong> tab page, view the historical SQL executions.</li><li id="das_04_0048__li183471121914">On the <strong id="das_04_0048__b474315455451">Messages</strong> tab page, view the execution information, including SQL splitting, execution status, and elapsed time.</li><li id="das_04_0048__li48001613141919">On the <strong id="das_04_0048__b12194112751">Execution Plan</strong> tab page, view the execution status for each SQL statement.</li></ul>
+</p></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0045.html">SQL Operations</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_04_0050.html b/docs/das/umn/das_04_0050.html
new file mode 100644
index 00000000..f26fe6eb
--- /dev/null
+++ b/docs/das/umn/das_04_0050.html
@@ -0,0 +1,15 @@
+<a name="das_04_0050"></a><a name="das_04_0050"></a>
+
+<h1 class="topictitle1">SQL Favorites</h1>
+<div id="body1541062657151"><div class="section" id="das_04_0050__section894425815332"><h4 class="sectiontitle">Scenarios</h4><p id="das_04_0050__p984770103418">DAS allows you to add frequently used SQL statements and view and manage SQL statements.</p>
+</div>
+<div class="section" id="das_04_0050__section1874215661919"><h4 class="sectiontitle">Procedure</h4><ol id="das_04_0050__ol15937185716454"><li id="das_04_0050__li1610134235110"><span>On the top menu bar, choose <strong id="das_04_0050__b129407452436">SQL Operations</strong> &gt; <strong id="das_04_0050__b19177134824316">SQL Window</strong>.</span></li><li id="das_04_0050__li742517718214"><span>In the SQL window, click <strong id="das_04_0050__b207541854101820">SQL Favorites</strong>.</span><p><ul id="das_04_0050__ul121871832131917"><li id="das_04_0050__li118733241919"><strong id="das_04_0050__b1791871591918">Add SQL Statement</strong>: allows you to add your desired SQL statements. Specifically, specify the title, select the application scope, enter SQL statements, and click <strong id="das_04_0050__b2092921518197">Save</strong>.</li><li id="das_04_0050__li3333521916"><strong id="das_04_0050__b20956118132016">Insert SQL Statement</strong>: allows you to insert the SQL statements you have added. If there are no SQL statements stored, this option will not be displayed.</li><li id="das_04_0050__li20191143871919"><strong id="das_04_0050__b14437173614203">Manage SQL Statements</strong>: allows you to manage frequently used SQL statements, including adding, editing, and deleting statements.</li></ul>
+</p></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0045.html">SQL Operations</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_04_0051.html b/docs/das/umn/das_04_0051.html
new file mode 100644
index 00000000..eb546e25
--- /dev/null
+++ b/docs/das/umn/das_04_0051.html
@@ -0,0 +1,19 @@
+<a name="das_04_0051"></a><a name="das_04_0051"></a>
+
+<h1 class="topictitle1">Trigger Management</h1>
+<div id="body1535705972047"></div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_04_0052.html">Creating a Trigger</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_04_0054.html">Altering a Trigger</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_04_0055.html">Dropping a Trigger</a></strong><br>
+</li>
+</ul>
+
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_08_0010.html">Database Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_04_0052.html b/docs/das/umn/das_04_0052.html
new file mode 100644
index 00000000..f0163d57
--- /dev/null
+++ b/docs/das/umn/das_04_0052.html
@@ -0,0 +1,12 @@
+<a name="das_04_0052"></a><a name="das_04_0052"></a>
+
+<h1 class="topictitle1">Creating a Trigger</h1>
+<div id="body1535705972047"><div class="section" id="das_04_0052__section831019159013"><h4 class="sectiontitle">Procedure</h4><ol id="das_04_0052__ol020912236558"><li id="das_04_0052__li36501041115519"><span>On the top menu bar, choose <strong id="das_04_0052__b1195200121215">Database Management</strong>. On the displayed <strong id="das_04_0052__b1820020131218">Objects</strong> page, choose <strong id="das_04_0052__b192002015122">Triggers</strong>, and click <strong id="das_04_0052__b1720012018127">Create Trigger</strong>.</span></li><li id="das_04_0052__li2053717598318"><span>On the displayed page, set required parameters and edit trigger definition statements. Then, click <strong id="das_04_0052__b7227145813143">Create</strong>.</span></li><li id="das_04_0052__li2023211232618"><span>In the displayed dialog box, click <strong id="das_04_0052__b81617128200">Execute</strong>.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0051.html">Trigger Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_04_0054.html b/docs/das/umn/das_04_0054.html
new file mode 100644
index 00000000..ca167556
--- /dev/null
+++ b/docs/das/umn/das_04_0054.html
@@ -0,0 +1,12 @@
+<a name="das_04_0054"></a><a name="das_04_0054"></a>
+
+<h1 class="topictitle1">Altering a Trigger</h1>
+<div id="body1535705972047"><div class="section" id="das_04_0054__section831019159013"><h4 class="sectiontitle">Procedure</h4><ol id="das_04_0054__ol161268231290"><li id="das_04_0054__li15374151116329"><span>On the top menu bar, choose <strong id="das_04_0054__b758363311258">Database Management</strong>. On the displayed <strong id="das_04_0054__b1258863316257">Objects</strong> page, select <span class="uicontrol" id="das_04_0054__uicontrol115891933142513"><b>Triggers</b></span>, locate the target trigger, and click <span class="uicontrol" id="das_04_0054__uicontrol155891533112519"><b>Alter</b></span> in the <strong id="das_04_0054__b16589633102510">Operation</strong> column.</span></li><li id="das_04_0054__li1113111219336"><span>On the displayed page, modify the required parameters and click <strong id="das_04_0054__b8880337152814">Alter</strong>.</span></li><li id="das_04_0054__li180022213344"><span>In the displayed dialog box, click <strong id="das_04_0054__b18412442172916">Execute</strong>.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0051.html">Trigger Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_04_0055.html b/docs/das/umn/das_04_0055.html
new file mode 100644
index 00000000..3187ee12
--- /dev/null
+++ b/docs/das/umn/das_04_0055.html
@@ -0,0 +1,14 @@
+<a name="das_04_0055"></a><a name="das_04_0055"></a>
+
+<h1 class="topictitle1">Dropping a Trigger</h1>
+<div id="body1535705972047"><div class="section" id="das_04_0055__section831019159013"><h4 class="sectiontitle">Procedure</h4><ol id="das_04_0055__ol161268231290"><li id="das_04_0055__li12126323182915"><span>On the top menu bar, choose <strong id="das_04_0055__b1088871214302">Database Management</strong>. On the displayed <strong id="das_04_0055__b589371293016">Objects</strong> page, select <span class="uicontrol" id="das_04_0055__uicontrol2893151213300"><b>Triggers</b></span>, locate the target trigger, and click <span class="uicontrol" id="das_04_0055__uicontrol689481211304"><b>Drop Trigger</b></span> in the <strong id="das_04_0055__b189481223011">Operation</strong> column.</span></li><li id="das_04_0055__li1113111219336"><span>In the displayed dialog box, click <strong id="das_04_0055__b795675425617">Yes</strong>.</span><p><div class="notice" id="das_04_0055__note1893254483419"><span class="noticetitle"><img src="public_sys-resources/notice_3.0-en-us.png"> </span><div class="noticebody"><p id="das_04_0055__p1393224443415">Dropped triggers cannot be recovered. Exercise caution when performing this operation.</p>
+</div></div>
+</p></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0051.html">Trigger Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_04_0056.html b/docs/das/umn/das_04_0056.html
new file mode 100644
index 00000000..eafbd2c4
--- /dev/null
+++ b/docs/das/umn/das_04_0056.html
@@ -0,0 +1,17 @@
+<a name="das_04_0056"></a><a name="das_04_0056"></a>
+
+<h1 class="topictitle1">Data Scheme</h1>
+<div id="body1535009894747"></div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_04_0058.html">Data Generator</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_04_0082.html">Data Tracking and Rollback</a></strong><br>
+</li>
+</ul>
+
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0001.html">MySQL DB Instance Management (Development Tool)</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_04_0058.html b/docs/das/umn/das_04_0058.html
new file mode 100644
index 00000000..87c8183f
--- /dev/null
+++ b/docs/das/umn/das_04_0058.html
@@ -0,0 +1,19 @@
+<a name="das_04_0058"></a><a name="das_04_0058"></a>
+
+<h1 class="topictitle1">Data Generator</h1>
+<div id="body1541062657995"><div class="section" id="das_04_0058__section60461353162212"><h4 class="sectiontitle">Scenarios</h4><p id="das_04_0058__p93731347103812">During the functional testing of a program, a large amount of test data complying with specific rules needs to be inserted into the database. DAS allows you to automatically, efficiently generate test data based on specific rules.</p>
+</div>
+<div class="section" id="das_04_0058__section28941011114714"><h4 class="sectiontitle">Procedure</h4><ol id="das_04_0058__ol15937185716454"><li id="das_04_0058__li766462453215"><span>On the top menu bar, choose <strong id="das_04_0058__b0588141814510">Data Scheme</strong> &gt; <strong id="das_04_0058__b209511815556">Data Generator</strong>.</span></li><li id="das_04_0058__li54872196213"><span>On the displayed page, click <span class="uicontrol" id="das_04_0058__uicontrol112363292716"><b>Create Task</b></span>. In the displayed dialog box, configure the required parameters.</span><p><ul id="das_04_0058__ul254411614213"><li id="das_04_0058__li1954441613212">Rows to Generate<p id="das_04_0058__p145441916192115"><a name="das_04_0058__li1954441613212"></a><a name="li1954441613212"></a>A maximum of 1,000,000 rows of data can be generated.</p>
+</li></ul>
+<ul id="das_04_0058__ul171426816237"><li id="das_04_0058__li654413162216">Conflict Policy<p id="das_04_0058__p16545171617212"><a name="das_04_0058__li654413162216"></a><a name="li654413162216"></a>If you select <strong id="das_04_0058__b154399451802">Skip</strong>, the system skips data rows in conflict and continues generating data. If you select <strong id="das_04_0058__b44538452019">Replace</strong>, the system replaces existing rows with new ones that have the same primary key.</p>
+</li><li id="das_04_0058__li6545316182119">Generation type<p id="das_04_0058__p437662213529"><a name="das_04_0058__li6545316182119"></a><a name="li6545316182119"></a>You can set the rules for randomly generated data based on the column settings. For example, if the column type is time, you can set the start time, end time, and format, or set the value to the current time.</p>
+</li></ul>
+</p></li><li id="das_04_0058__li15717466474"><span>Click <strong id="das_04_0058__b12742191610216">Preview</strong> to check whether the generated data is as expected. If not, modify the settings. Then, click <strong id="das_04_0058__b19756516527">Generate</strong>. Alternatively, directly click <strong id="das_04_0058__b1575851613211">Generate</strong>.</span></li><li id="das_04_0058__li1412581674911"><span>In the task list, locate the created task and click <strong id="das_04_0058__b95786412314">Details</strong>. You can also delete the task as required.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0056.html">Data Scheme</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_04_0059.html b/docs/das/umn/das_04_0059.html
new file mode 100644
index 00000000..732ed963
--- /dev/null
+++ b/docs/das/umn/das_04_0059.html
@@ -0,0 +1,21 @@
+<a name="das_04_0059"></a><a name="das_04_0059"></a>
+
+<h1 class="topictitle1">Account Management</h1>
+<div id="body1535006555078"></div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_04_0068.html">Database Account Security</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_04_0060.html">Creating a User</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_04_0061.html">Editing User Information</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_04_0062.html">Deleting a User</a></strong><br>
+</li>
+</ul>
+
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0001.html">MySQL DB Instance Management (Development Tool)</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_04_0060.html b/docs/das/umn/das_04_0060.html
new file mode 100644
index 00000000..f77c82dc
--- /dev/null
+++ b/docs/das/umn/das_04_0060.html
@@ -0,0 +1,151 @@
+<a name="das_04_0060"></a><a name="das_04_0060"></a>
+
+<h1 class="topictitle1">Creating a User</h1>
+<div id="body1535006555078"><div class="section" id="das_04_0060__section60461353162212"><h4 class="sectiontitle">Scenarios</h4><p id="das_04_0060__p458681415284">Multiple users with different permissions can be created to access a DB instance or database, but the permissions of these users cannot exceed the operation permissions of the account.</p>
+</div>
+<div class="section" id="das_04_0060__section7824163705917"><h4 class="sectiontitle">Procedure</h4><ol id="das_04_0060__ol28269375592"><li id="das_04_0060__li17289921202"><span>On the top menu bar, choose <strong id="das_04_0060__b4511034141113">Account Management</strong> &gt; <strong id="das_04_0060__b5608347115">User Management</strong>.</span></li><li id="das_04_0060__li188291334717"><span>On the displayed page, click <strong id="das_04_0060__b176083383113">Create User</strong>. Then, configure required information, such as basic information, advanced settings, global permissions, and object permissions, and click <strong id="das_04_0060__b14617123812116">Save</strong>. In the displayed dialog box, click <strong id="das_04_0060__b861823812117">OK</strong>.</span><p><p id="das_04_0060__p17531544152115">You can click <strong id="das_04_0060__b4786114527">Add DAS IP Address</strong> to add the IP address of the DAS server to the user's host. In the user list, you can view all created users, or locate a user and click <strong id="das_04_0060__b126181216833">Edit</strong> and <strong id="das_04_0060__b5861181714310">Delete</strong> in the <strong id="das_04_0060__b1578315301635">Operation</strong> column to manage it.</p>
+<p id="das_04_0060__p1935818494128"><a href="#das_04_0060__table76681822181315">Table 1</a> describes the user permissions briefly. For details about permission usages and explanations, visit the <a href="https://dev.mysql.com/doc/refman/8.0/en/grant.html" target="_blank" rel="noopener noreferrer">official website</a>.</p>
+
+<div class="tablenoborder"><a name="das_04_0060__table76681822181315"></a><a name="table76681822181315"></a><table cellpadding="4" cellspacing="0" summary="" id="das_04_0060__table76681822181315" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Permission description</caption><thead align="left"><tr id="das_04_0060__row106681622161313"><th align="left" class="cellrowborder" valign="top" width="17.990000000000002%" id="mcps1.3.2.2.2.2.3.2.3.1.1"><p id="das_04_0060__p866842201312">Permission</p>
+</th>
+<th align="left" class="cellrowborder" valign="top" width="82.01%" id="mcps1.3.2.2.2.2.3.2.3.1.2"><p id="das_04_0060__p17668222151312">Description</p>
+</th>
+</tr>
+</thead>
+<tbody><tr id="das_04_0060__row1766812241311"><td class="cellrowborder" valign="top" width="17.990000000000002%" headers="mcps1.3.2.2.2.2.3.2.3.1.1 "><p id="das_04_0060__p112798148151">SELECT</p>
+</td>
+<td class="cellrowborder" valign="top" width="82.01%" headers="mcps1.3.2.2.2.2.3.2.3.1.2 "><p id="das_04_0060__p15668182261317">Permission to query a specified object (such as, a global or single database).</p>
+</td>
+</tr>
+<tr id="das_04_0060__row3668722131310"><td class="cellrowborder" valign="top" width="17.990000000000002%" headers="mcps1.3.2.2.2.2.3.2.3.1.1 "><p id="das_04_0060__p112791014101515">INSERT</p>
+</td>
+<td class="cellrowborder" valign="top" width="82.01%" headers="mcps1.3.2.2.2.2.3.2.3.1.2 "><p id="das_04_0060__p12668152210139">Permission to insert data into a specified object.</p>
+</td>
+</tr>
+<tr id="das_04_0060__row106682022181315"><td class="cellrowborder" valign="top" width="17.990000000000002%" headers="mcps1.3.2.2.2.2.3.2.3.1.1 "><p id="das_04_0060__p327951401517">UPDATE</p>
+</td>
+<td class="cellrowborder" valign="top" width="82.01%" headers="mcps1.3.2.2.2.2.3.2.3.1.2 "><p id="das_04_0060__p866912291312">Permission to update data of a specified object.</p>
+</td>
+</tr>
+<tr id="das_04_0060__row5669162291310"><td class="cellrowborder" valign="top" width="17.990000000000002%" headers="mcps1.3.2.2.2.2.3.2.3.1.1 "><p id="das_04_0060__p19279201418155">DELETE</p>
+</td>
+<td class="cellrowborder" valign="top" width="82.01%" headers="mcps1.3.2.2.2.2.3.2.3.1.2 "><p id="das_04_0060__p17669142281310">Permission to delete data from a specified object.</p>
+</td>
+</tr>
+<tr id="das_04_0060__row166918226131"><td class="cellrowborder" valign="top" width="17.990000000000002%" headers="mcps1.3.2.2.2.2.3.2.3.1.1 "><p id="das_04_0060__p92791414161510">CREATE</p>
+</td>
+<td class="cellrowborder" valign="top" width="82.01%" headers="mcps1.3.2.2.2.2.3.2.3.1.2 "><p id="das_04_0060__p76695220133">Permission to create databases and tables for a specified object.</p>
+</td>
+</tr>
+<tr id="das_04_0060__row14669152212138"><td class="cellrowborder" valign="top" width="17.990000000000002%" headers="mcps1.3.2.2.2.2.3.2.3.1.1 "><p id="das_04_0060__p142801914101517">DROP</p>
+</td>
+<td class="cellrowborder" valign="top" width="82.01%" headers="mcps1.3.2.2.2.2.3.2.3.1.2 "><p id="das_04_0060__p1066992218137">Permission to delete databases, tables, and views of a specified object.</p>
+</td>
+</tr>
+<tr id="das_04_0060__row266911220137"><td class="cellrowborder" valign="top" width="17.990000000000002%" headers="mcps1.3.2.2.2.2.3.2.3.1.1 "><p id="das_04_0060__p1280314101519">RELOAD</p>
+</td>
+<td class="cellrowborder" valign="top" width="82.01%" headers="mcps1.3.2.2.2.2.3.2.3.1.2 "><p id="das_04_0060__p1466912228133">Permission to execute <a href="https://dev.mysql.com/doc/refman/8.0/en/flush.html" target="_blank" rel="noopener noreferrer">FLUSH</a>.</p>
+</td>
+</tr>
+<tr id="das_04_0060__row6162183111519"><td class="cellrowborder" valign="top" width="17.990000000000002%" headers="mcps1.3.2.2.2.2.3.2.3.1.1 "><p id="das_04_0060__p1280414131510">PROCESS</p>
+</td>
+<td class="cellrowborder" valign="top" width="82.01%" headers="mcps1.3.2.2.2.2.3.2.3.1.2 "><p id="das_04_0060__p18162336153">Permission to execute <a href="https://dev.mysql.com/doc/refman/8.0/en/show-processlist.html" target="_blank" rel="noopener noreferrer">SHOW PROCESSLIST</a> to view all the processes.</p>
+</td>
+</tr>
+<tr id="das_04_0060__row193103391516"><td class="cellrowborder" valign="top" width="17.990000000000002%" headers="mcps1.3.2.2.2.2.3.2.3.1.1 "><p id="das_04_0060__p132801314151512">GRANT</p>
+</td>
+<td class="cellrowborder" valign="top" width="82.01%" headers="mcps1.3.2.2.2.2.3.2.3.1.2 "><p id="das_04_0060__p10310536153">Permission to grant permissions to another account or reclaim permissions from another account.</p>
+</td>
+</tr>
+<tr id="das_04_0060__row04624314152"><td class="cellrowborder" valign="top" width="17.990000000000002%" headers="mcps1.3.2.2.2.2.3.2.3.1.1 "><p id="das_04_0060__p1728021419155">REFERENCES</p>
+</td>
+<td class="cellrowborder" valign="top" width="82.01%" headers="mcps1.3.2.2.2.2.3.2.3.1.2 "><p id="das_04_0060__p546219331520">Permission to create foreign keys for a specified object.</p>
+</td>
+</tr>
+<tr id="das_04_0060__row105927381517"><td class="cellrowborder" valign="top" width="17.990000000000002%" headers="mcps1.3.2.2.2.2.3.2.3.1.1 "><p id="das_04_0060__p383271915157">INDEX</p>
+</td>
+<td class="cellrowborder" valign="top" width="82.01%" headers="mcps1.3.2.2.2.2.3.2.3.1.2 "><p id="das_04_0060__p1759319341513">Permission to create or delete index for a specified object.</p>
+</td>
+</tr>
+<tr id="das_04_0060__row1274113319156"><td class="cellrowborder" valign="top" width="17.990000000000002%" headers="mcps1.3.2.2.2.2.3.2.3.1.1 "><p id="das_04_0060__p15832219191511">ALTER</p>
+</td>
+<td class="cellrowborder" valign="top" width="82.01%" headers="mcps1.3.2.2.2.2.3.2.3.1.2 "><p id="das_04_0060__p137411311511">Permission to execute <a href="https://dev.mysql.com/doc/refman/8.0/en/alter-table.html" target="_blank" rel="noopener noreferrer">ALTER TABLE</a> for a specified object.</p>
+</td>
+</tr>
+<tr id="das_04_0060__row48701131154"><td class="cellrowborder" valign="top" width="17.990000000000002%" headers="mcps1.3.2.2.2.2.3.2.3.1.1 "><p id="das_04_0060__p208321119101515">SHOW DATABASES</p>
+</td>
+<td class="cellrowborder" valign="top" width="82.01%" headers="mcps1.3.2.2.2.2.3.2.3.1.2 "><p id="das_04_0060__p487013321516">Permission to run the <a href="https://dev.mysql.com/doc/refman/8.0/en/show-databases.html" target="_blank" rel="noopener noreferrer">SHOW DATABASES</a> command to display all databases.</p>
+</td>
+</tr>
+<tr id="das_04_0060__row1322204101513"><td class="cellrowborder" valign="top" width="17.990000000000002%" headers="mcps1.3.2.2.2.2.3.2.3.1.1 "><p id="das_04_0060__p38321319191512">CREATE TEMPORARY TABLES</p>
+</td>
+<td class="cellrowborder" valign="top" width="82.01%" headers="mcps1.3.2.2.2.2.3.2.3.1.2 "><p id="das_04_0060__p322184161510">Permission to execute <a href="https://dev.mysql.com/doc/refman/8.0/en/create-table.html" target="_blank" rel="noopener noreferrer">CREATE TEMPORARY TABLE</a> for a specified object.</p>
+</td>
+</tr>
+<tr id="das_04_0060__row191641146154"><td class="cellrowborder" valign="top" width="17.990000000000002%" headers="mcps1.3.2.2.2.2.3.2.3.1.1 "><p id="das_04_0060__p3832131981516">LOCK TABLES</p>
+</td>
+<td class="cellrowborder" valign="top" width="82.01%" headers="mcps1.3.2.2.2.2.3.2.3.1.2 "><p id="das_04_0060__p1216411431517">Permission to execute <a href="https://dev.mysql.com/doc/refman/8.0/en/lock-tables.html" target="_blank" rel="noopener noreferrer">LOCK TABLES</a> on the tables with the SELECT permission for a specified object.</p>
+</td>
+</tr>
+<tr id="das_04_0060__row731317410154"><td class="cellrowborder" valign="top" width="17.990000000000002%" headers="mcps1.3.2.2.2.2.3.2.3.1.1 "><p id="das_04_0060__p0832219171515">EXECUTE</p>
+</td>
+<td class="cellrowborder" valign="top" width="82.01%" headers="mcps1.3.2.2.2.2.3.2.3.1.2 "><p id="das_04_0060__p183131949156">Permission to execute a stored procedure for a specified object.</p>
+</td>
+</tr>
+<tr id="das_04_0060__row547219411516"><td class="cellrowborder" valign="top" width="17.990000000000002%" headers="mcps1.3.2.2.2.2.3.2.3.1.1 "><p id="das_04_0060__p483221971513">REPLICATION SLAVE</p>
+</td>
+<td class="cellrowborder" valign="top" width="82.01%" headers="mcps1.3.2.2.2.2.3.2.3.1.2 "><p id="das_04_0060__p144722043157">Permission to allow the replica server to read binary log events from the source server.</p>
+</td>
+</tr>
+<tr id="das_04_0060__row136220411520"><td class="cellrowborder" valign="top" width="17.990000000000002%" headers="mcps1.3.2.2.2.2.3.2.3.1.1 "><p id="das_04_0060__p2832161913156">REPLICATION CLIENT</p>
+</td>
+<td class="cellrowborder" valign="top" width="82.01%" headers="mcps1.3.2.2.2.2.3.2.3.1.2 "><p id="das_04_0060__p116227412157">Permission to query the location of the source server or replica server.</p>
+</td>
+</tr>
+<tr id="das_04_0060__row17669411156"><td class="cellrowborder" valign="top" width="17.990000000000002%" headers="mcps1.3.2.2.2.2.3.2.3.1.1 "><p id="das_04_0060__p118326191153">CREATE VIEW</p>
+</td>
+<td class="cellrowborder" valign="top" width="82.01%" headers="mcps1.3.2.2.2.2.3.2.3.1.2 "><p id="das_04_0060__p2766114131513">Permission to create or alter a view for a specified object.</p>
+</td>
+</tr>
+<tr id="das_04_0060__row5930845155"><td class="cellrowborder" valign="top" width="17.990000000000002%" headers="mcps1.3.2.2.2.2.3.2.3.1.1 "><p id="das_04_0060__p6832121931513">SHOW VIEW</p>
+</td>
+<td class="cellrowborder" valign="top" width="82.01%" headers="mcps1.3.2.2.2.2.3.2.3.1.2 "><p id="das_04_0060__p14930144101519">Permission to execute <a href="https://dev.mysql.com/doc/refman/8.0/en/show-create-view.html" target="_blank" rel="noopener noreferrer">SHOW CREATE VIEW</a> for a specified object.</p>
+</td>
+</tr>
+<tr id="das_04_0060__row1026115294158"><td class="cellrowborder" valign="top" width="17.990000000000002%" headers="mcps1.3.2.2.2.2.3.2.3.1.1 "><p id="das_04_0060__p469143351513">CREATE ROUTINE</p>
+</td>
+<td class="cellrowborder" valign="top" width="82.01%" headers="mcps1.3.2.2.2.2.3.2.3.1.2 "><p id="das_04_0060__p626115295156">Permission to create a stored procedure for a specified object.</p>
+</td>
+</tr>
+<tr id="das_04_0060__row44021529181519"><td class="cellrowborder" valign="top" width="17.990000000000002%" headers="mcps1.3.2.2.2.2.3.2.3.1.1 "><p id="das_04_0060__p9691133371511">ALTER ROUTINE</p>
+</td>
+<td class="cellrowborder" valign="top" width="82.01%" headers="mcps1.3.2.2.2.2.3.2.3.1.2 "><p id="das_04_0060__p114029295154">Permission to alter or delete a stored procedure for a specified object.</p>
+</td>
+</tr>
+<tr id="das_04_0060__row1054612981517"><td class="cellrowborder" valign="top" width="17.990000000000002%" headers="mcps1.3.2.2.2.2.3.2.3.1.1 "><p id="das_04_0060__p136911033151516">CREATE USER</p>
+</td>
+<td class="cellrowborder" valign="top" width="82.01%" headers="mcps1.3.2.2.2.2.3.2.3.1.2 "><p id="das_04_0060__p1454672915159">Permission to execute <a href="https://dev.mysql.com/doc/refman/8.0/en/create-user.html" target="_blank" rel="noopener noreferrer">CREATE USER</a>, <a href="https://dev.mysql.com/doc/refman/8.0/en/drop-user.html" target="_blank" rel="noopener noreferrer">DROP USER</a>, <a href="https://dev.mysql.com/doc/refman/8.0/en/rename-user.html" target="_blank" rel="noopener noreferrer">RENAME USER</a>, and <a href="https://dev.mysql.com/doc/refman/8.0/en/revoke.html" target="_blank" rel="noopener noreferrer">REVOKE ALL PRIVILEGES</a> for a specified object.</p>
+</td>
+</tr>
+<tr id="das_04_0060__row11682329161512"><td class="cellrowborder" valign="top" width="17.990000000000002%" headers="mcps1.3.2.2.2.2.3.2.3.1.1 "><p id="das_04_0060__p1169133381511">EVENT</p>
+</td>
+<td class="cellrowborder" valign="top" width="82.01%" headers="mcps1.3.2.2.2.2.3.2.3.1.2 "><p id="das_04_0060__p176821929191519">Permission to create, modify, delete, or display the event scheduler for a specified object.</p>
+</td>
+</tr>
+<tr id="das_04_0060__row1382410296156"><td class="cellrowborder" valign="top" width="17.990000000000002%" headers="mcps1.3.2.2.2.2.3.2.3.1.1 "><p id="das_04_0060__p1269115334156">TRIGGER</p>
+</td>
+<td class="cellrowborder" valign="top" width="82.01%" headers="mcps1.3.2.2.2.2.3.2.3.1.2 "><p id="das_04_0060__p1282412914154">Permission to execute a trigger for a specified object. Only users with this permission can create, delete, execute, or display the triggers of a table.</p>
+</td>
+</tr>
+</tbody>
+</table>
+</div>
+</p></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0059.html">Account Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_04_0061.html b/docs/das/umn/das_04_0061.html
new file mode 100644
index 00000000..65ea216d
--- /dev/null
+++ b/docs/das/umn/das_04_0061.html
@@ -0,0 +1,14 @@
+<a name="das_04_0061"></a><a name="das_04_0061"></a>
+
+<h1 class="topictitle1">Editing User Information</h1>
+<div id="body1535006555078"><div class="section" id="das_04_0061__section60461353162212"><h4 class="sectiontitle">Scenarios</h4><p id="das_04_0061__p4287447473">This section describes how to edit user information, including the user name, password, global permissions, object permissions, and advanced settings.</p>
+</div>
+<div class="section" id="das_04_0061__section1412134904915"><h4 class="sectiontitle">Procedure</h4><ol id="das_04_0061__ol1314114919495"><li id="das_04_0061__li17289921202"><span>On the top menu bar, choose <strong id="das_04_0061__b19205175592910">Account Management</strong> &gt; <strong id="das_04_0061__b121235592915">User Management</strong>. In the user list, locate the target user and click <strong id="das_04_0061__b10225142154920">Edit</strong> in the <strong id="das_04_0061__b19236162174912">Operation</strong> column.</span></li><li id="das_04_0061__li18794164620553"><span>On the displayed page, edit user information, set global and object permissions, and click <strong id="das_04_0061__b252310121703">Save</strong>. In the displayed dialog box, click <strong id="das_04_0061__b134623501306">OK</strong>.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0059.html">Account Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_04_0062.html b/docs/das/umn/das_04_0062.html
new file mode 100644
index 00000000..7ba7e087
--- /dev/null
+++ b/docs/das/umn/das_04_0062.html
@@ -0,0 +1,14 @@
+<a name="das_04_0062"></a><a name="das_04_0062"></a>
+
+<h1 class="topictitle1">Deleting a User</h1>
+<div id="body1535009431204"><div class="notice" id="das_04_0062__note66377071111037"><span class="noticetitle"><img src="public_sys-resources/notice_3.0-en-us.png"> </span><div class="noticebody"><p id="das_04_0062__p10249075175439">Deleted users cannot be recovered. Exercise caution when performing this operation.</p>
+</div></div>
+<div class="section" id="das_04_0062__section1412134904915"><h4 class="sectiontitle">Procedure</h4><ol id="das_04_0062__ol19282133613169"><li id="das_04_0062__li133144521520"><span>On the top menu bar, choose <strong id="das_04_0062__b66475255305">Account Management</strong> &gt; <strong id="das_04_0062__b66561525183016">User Management</strong>.</span></li><li id="das_04_0062__li20282143661612"><span>In the user list, locate the target user and click <strong id="das_04_0062__b10958131615485">Delete</strong> in the <strong id="das_04_0062__b1596831654816">Operation</strong> column. In the displayed dialog box, click <strong id="das_04_0062__b19969716124813">Yes</strong>.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0059.html">Account Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_04_0063.html b/docs/das/umn/das_04_0063.html
new file mode 100644
index 00000000..d02f89ed
--- /dev/null
+++ b/docs/das/umn/das_04_0063.html
@@ -0,0 +1,29 @@
+<a name="das_04_0063"></a><a name="das_04_0063"></a>
+
+<h1 class="topictitle1">Intelligent O&amp;M</h1>
+<div id="body1543392469722"></div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_04_0081.html">Real-Time Performance</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_04_0065.html">Real-Time Sessions</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_04_0093.html">Emergency Channel</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_04_0094.html">Memory Parameter Setting Diagnosis</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_04_0072.html">SQL Tuning</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_04_0080.html">Tuning Report</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_04_0071.html">InnoDB Lock Query</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_04_0066.html">Binlog Query</a></strong><br>
+</li>
+</ul>
+
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0001.html">MySQL DB Instance Management (Development Tool)</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_04_0065.html b/docs/das/umn/das_04_0065.html
new file mode 100644
index 00000000..78bfbfdb
--- /dev/null
+++ b/docs/das/umn/das_04_0065.html
@@ -0,0 +1,16 @@
+<a name="das_04_0065"></a><a name="das_04_0065"></a>
+
+<h1 class="topictitle1">Real-Time Sessions</h1>
+<div id="body1543392469722"><div class="section" id="das_04_0065__section60461353162212"><h4 class="sectiontitle">Scenarios</h4><p id="das_04_0065__p4287447473">View the running duration and status of SQL statements online to detect and handle abnormal processes in a timely manner to ensure that databases run smoothly.</p>
+</div>
+<div class="section" id="das_04_0065__section192331323135212"><h4 class="sectiontitle">Procedure</h4><ol id="das_04_0065__ol1314114919495"><li id="das_04_0065__li339010195229"><span>On the top menu bar, choose <strong id="das_04_0065__b1359312161318">Intelligent O&amp;M</strong> &gt; <strong id="das_04_0065__b1459813162313">Real-Time Sessions</strong>.</span></li><li id="das_04_0065__li17289921202"><span>On the displayed page, view the total sessions, running sessions, and slow sessions.</span><p><ul id="das_04_0065__ul376195124210"><li id="das_04_0065__li17866919205514"><strong id="das_04_0065__b1016345812815">Define slow SQL threshold</strong><p id="das_04_0065__p19334182612558">Set a slow session threshold and click the refreshing button to filter the slow sessions that exceed this threshold.</p>
+</li></ul>
+</p></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0063.html">Intelligent O&amp;M</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_04_0066.html b/docs/das/umn/das_04_0066.html
new file mode 100644
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+<a name="das_04_0066"></a><a name="das_04_0066"></a>
+
+<h1 class="topictitle1">Binlog Query</h1>
+<div id="body1543392469722"><div class="section" id="das_04_0066__section60461353162212"><h4 class="sectiontitle">Scenarios</h4><p id="das_04_0066__p4287447473">Use binlogs to query historical operations to trace data and quickly locate problems.</p>
+</div>
+<div class="section" id="das_04_0066__section192331323135212"><h4 class="sectiontitle">Procedure</h4><ol id="das_04_0066__ol1314114919495"><li id="das_04_0066__li339010195229"><span>On the top menu bar, choose <strong id="das_04_0066__b15531534992">Intelligent O&amp;M</strong> &gt; <strong id="das_04_0066__b654234697">Binlog Query</strong>.</span></li><li id="das_04_0066__li7490114913338"><span>On the displayed page, click the target file in the binlog file list to view event details.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0063.html">Intelligent O&amp;M</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_04_0067.html b/docs/das/umn/das_04_0067.html
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+<a name="das_04_0067"></a><a name="das_04_0067"></a>
+
+<h1 class="topictitle1">Creating a Stored Procedure</h1>
+<div id="body1541062646449"><div class="section" id="das_04_0067__section19624841142511"><h4 class="sectiontitle">Overview</h4><p id="das_04_0067__p1915020318461">A stored procedure is a set of SQL statements used to implement specific functions. After being compiled, stored procedures are stored in databases. You can execute the stored procedures by specifying their names and related parameters.</p>
+</div>
+<div class="section" id="das_04_0067__section739231415189"><h4 class="sectiontitle">Scenarios</h4><p id="das_04_0067__p1285119570271">A stored procedure consists of a set of SQL statements that can complete specific tasks or process complex services. This section describes how to create a stored procedure. You can use loop statements in a stored procedure to insert objects repeatedly.</p>
+</div>
+<div class="section" id="das_04_0067__section3107414122814"><h4 class="sectiontitle">Prerequisites</h4><ul id="das_04_0067__ul1421419595404"><li id="das_04_0067__li199561049161912">You have obtained the CREATE ROUTINE permission.</li><li id="das_04_0067__li117331210416">You have obtained the Execute permission.</li></ul>
+</div>
+<div class="section" id="das_04_0067__section1573305620545"><h4 class="sectiontitle">Procedure</h4><ol id="das_04_0067__ol15937185716454"><li id="das_04_0067__li9585135104611"><span>On the top menu bar, choose <strong id="das_04_0067__b121051833256">Database Management</strong>. On the displayed <strong id="das_04_0067__b910617332515">Objects</strong> page, select <strong id="das_04_0067__b21061315254">Stored Procedures</strong>, and click <strong id="das_04_0067__b151061431255">Create Stored Procedure</strong>.</span></li><li id="das_04_0067__li11735722203116"><span>On the displayed page, enter the stored procedure name and description, and click <strong id="das_04_0067__b8772183805117">OK</strong>.</span></li><li id="das_04_0067__li3748145017342"><span>On the displayed page, click <strong id="das_04_0067__b380385414272">Option</strong>, set required parameters, and click <strong id="das_04_0067__b919817131310">OK</strong>. Then, save and execute the stored procedure.</span></li><li id="das_04_0067__li152151535205611"><span>View the execution status in the <strong id="das_04_0067__b181301538171911">Message</strong> area.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0030.html">Stored Procedure Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_04_0068.html b/docs/das/umn/das_04_0068.html
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+<a name="das_04_0068"></a><a name="das_04_0068"></a>
+
+<h1 class="topictitle1">Database Account Security</h1>
+<div id="body0000001072395992"><p id="das_04_0068__p079755364415">To ensure that RDS MySQL databases run properly and prevent account information from being deleted by mistake, DAS hides the following accounts of MySQL database users.</p>
+
+<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="das_04_0068__table12367144618482" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Accounts to be hidden</caption><thead align="left"><tr id="das_04_0068__row20367846134812"><th align="left" class="cellrowborder" valign="top" width="33.650000000000006%" id="mcps1.3.2.2.3.1.1"><p id="das_04_0068__p036774684819">Account</p>
+</th>
+<th align="left" class="cellrowborder" valign="top" width="66.35%" id="mcps1.3.2.2.3.1.2"><p id="das_04_0068__p19367546184820">Description</p>
+</th>
+</tr>
+</thead>
+<tbody><tr id="das_04_0068__row123671046174817"><td class="cellrowborder" valign="top" width="33.650000000000006%" headers="mcps1.3.2.2.3.1.1 "><p id="das_04_0068__p83677461484">mysql.session@localhost</p>
+</td>
+<td class="cellrowborder" valign="top" width="66.35%" headers="mcps1.3.2.2.3.1.2 "><p id="das_04_0068__p1936711469489">Internal database account configured in MySQL 5.7 or later.</p>
+</td>
+</tr>
+<tr id="das_04_0068__row16367164619480"><td class="cellrowborder" valign="top" width="33.650000000000006%" headers="mcps1.3.2.2.3.1.1 "><p id="das_04_0068__p15367146104820">mysql.sys@localhost</p>
+</td>
+<td class="cellrowborder" valign="top" width="66.35%" headers="mcps1.3.2.2.3.1.2 "><p id="das_04_0068__p23673468486">Internal database account configured in MySQL 5.7 or later.</p>
+</td>
+</tr>
+<tr id="das_04_0068__row2056743713304"><td class="cellrowborder" valign="top" width="33.650000000000006%" headers="mcps1.3.2.2.3.1.1 "><p id="das_04_0068__p256903713019">mysql.infoschema@localhost</p>
+</td>
+<td class="cellrowborder" valign="top" width="66.35%" headers="mcps1.3.2.2.3.1.2 "><p id="das_04_0068__p1569103714308">Database account.</p>
+</td>
+</tr>
+<tr id="das_04_0068__row1536764612481"><td class="cellrowborder" valign="top" width="33.650000000000006%" headers="mcps1.3.2.2.3.1.1 "><p id="das_04_0068__p53672464482">root@%</p>
+</td>
+<td class="cellrowborder" valign="top" width="66.35%" headers="mcps1.3.2.2.3.1.2 "><p id="das_04_0068__p1836714613485">Account configured when you create an RDS MySQL instance.</p>
+</td>
+</tr>
+<tr id="das_04_0068__row193671146204819"><td class="cellrowborder" valign="top" width="33.650000000000006%" headers="mcps1.3.2.2.3.1.1 "><p id="das_04_0068__p203671546204815">rdsAdmin@localhost</p>
+</td>
+<td class="cellrowborder" valign="top" width="66.35%" headers="mcps1.3.2.2.3.1.2 "><p id="das_04_0068__p1036724613480">Management account, which has the highest superuser permission and is used to query and modify DB instance information, rectify faults, as well as migrate and restore data.</p>
+</td>
+</tr>
+<tr id="das_04_0068__row133671246154819"><td class="cellrowborder" valign="top" width="33.650000000000006%" headers="mcps1.3.2.2.3.1.1 "><p id="das_04_0068__p153671646134813">rdsBackup@localhost</p>
+</td>
+<td class="cellrowborder" valign="top" width="66.35%" headers="mcps1.3.2.2.3.1.2 "><p id="das_04_0068__p19367446104820">Backup account, which is used to back up background data.</p>
+</td>
+</tr>
+<tr id="das_04_0068__row143671146104816"><td class="cellrowborder" valign="top" width="33.650000000000006%" headers="mcps1.3.2.2.3.1.1 "><p id="das_04_0068__p1636764610484">rdsMetric</p>
+</td>
+<td class="cellrowborder" valign="top" width="66.35%" headers="mcps1.3.2.2.3.1.2 "><p id="das_04_0068__p1236734617481">Metering account, which is used by watchdog to collect database status data.</p>
+</td>
+</tr>
+<tr id="das_04_0068__row113671246114811"><td class="cellrowborder" valign="top" width="33.650000000000006%" headers="mcps1.3.2.2.3.1.1 "><p id="das_04_0068__p10367104694811">rdsRepl</p>
+</td>
+<td class="cellrowborder" valign="top" width="66.35%" headers="mcps1.3.2.2.3.1.2 "><p id="das_04_0068__p123677467482">Replication account, which is used to synchronize data from primary DB instances to standby ones or read replicas.</p>
+</td>
+</tr>
+<tr id="das_04_0068__row1639184103118"><td class="cellrowborder" valign="top" width="33.650000000000006%" headers="mcps1.3.2.2.3.1.1 "><p id="das_04_0068__p17391641183115">rdsProxy</p>
+</td>
+<td class="cellrowborder" valign="top" width="66.35%" headers="mcps1.3.2.2.3.1.2 "><p id="das_04_0068__p740134113315">Proxy account, which is used for authentication when the database is connected using the read/write splitting address. This account is automatically created when read/write splitting is enabled.</p>
+</td>
+</tr>
+<tr id="das_04_0068__row133671546144812"><td class="cellrowborder" valign="top" width="33.650000000000006%" headers="mcps1.3.2.2.3.1.1 "><p id="das_04_0068__p1736744618486">drsFull</p>
+</td>
+<td class="cellrowborder" valign="top" width="66.35%" headers="mcps1.3.2.2.3.1.2 "><p id="das_04_0068__p1736774616481">Account added to the destination database when you start a full migration task.</p>
+</td>
+</tr>
+<tr id="das_04_0068__row1836711469481"><td class="cellrowborder" valign="top" width="33.650000000000006%" headers="mcps1.3.2.2.3.1.1 "><p id="das_04_0068__p1836754664811">drsIncremental</p>
+</td>
+<td class="cellrowborder" valign="top" width="66.35%" headers="mcps1.3.2.2.3.1.2 "><p id="das_04_0068__p16333151613411">Account added to the destination database when you start an incremental migration task.</p>
+</td>
+</tr>
+</tbody>
+</table>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0059.html">Account Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_04_0069.html b/docs/das/umn/das_04_0069.html
new file mode 100644
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+<a name="das_04_0069"></a><a name="das_04_0069"></a>
+
+<h1 class="topictitle1">Maintaining a Table</h1>
+<div id="body1548669049392"><div class="section" id="das_04_0069__section60461353162212"><h4 class="sectiontitle">Scenarios</h4><p id="das_04_0069__p4287447473">While working with MySQL databases, you do a lot of changes such as data insert, update, and deletion, which may cause table fragmentation. As a result, the database server performance is deteriorated. To handle this, periodic maintenance is required.</p>
+</div>
+<div class="section" id="das_04_0069__section680705916178"><h4 class="sectiontitle">Functions</h4><ul id="das_04_0069__ul3273108171112"><li id="das_04_0069__li627313813113">Check<p id="das_04_0069__p1914532581817"><a name="das_04_0069__li627313813113"></a><a name="li627313813113"></a>The CHECK TABLE statement adds a read-only lock to the table.</p>
+<p id="das_04_0069__p15433123741815">Allows you to check whether there are errors in database tables using the CHECK TABLE statement. You can check a table with any of the following methods:</p>
+<ul id="das_04_0069__ul124331837181811"><li id="das_04_0069__li184331437111812"><strong id="das_04_0069__b173291629195019">Check</strong>: Scan rows to verify that deleted links are valid. Alternatively, calculate a key checksum for the rows and verifies the validity using the obtained checksum.</li><li id="das_04_0069__li6433103771810"><strong id="das_04_0069__b184531239121510">Fast</strong>: Check only tables that have not been closed properly.</li><li id="das_04_0069__li18433937111815"><strong id="das_04_0069__b124201836105012">Quick</strong>: Do not scan rows or check for incorrect links.</li><li id="das_04_0069__li74338379188"><strong id="das_04_0069__b102231447181510">Changed</strong>: Check only tables that have been changed since the last check or tables that have not been closed properly.</li><li id="das_04_0069__li243318371181"><strong id="das_04_0069__b474283851618">Extended</strong>: Search for keywords in each row. This ensures that the table is 100% consistent, but takes a long time.</li></ul>
+</li><li id="das_04_0069__li1327328131115">Repair<p id="das_04_0069__p13273983112"><a name="das_04_0069__li1327328131115"></a><a name="li1327328131115"></a>Allows you to use the REPAIR TABLE statement to repair possibly corrupted or incorrect tables. You can repair tables using any of the following three methods:</p>
+<ul id="das_04_0069__ul145257111191"><li id="das_04_0069__li5561557189"><strong id="das_04_0069__b164899185119">Check</strong>: a simple repair, which repairs data and index files.</li><li id="das_04_0069__li05713553188"><strong id="das_04_0069__b371181819512">Quick</strong>: the quickest repair, which repairs only index files, but not data files.</li><li id="das_04_0069__li6571552180"><strong id="das_04_0069__b108632025117">Extended</strong>: the slowest repair, which creates indexes row by row to repair data and index files.</li></ul>
+</li></ul>
+</div>
+<div class="section" id="das_04_0069__section147601232144912"><h4 class="sectiontitle">Procedure</h4><p id="das_04_0069__p11624247144917">The following uses the <strong id="das_04_0069__b460811912270">Check</strong> operation as an example to explain how to maintain tables.</p>
+<ol id="das_04_0069__ol188842054115319"><li id="das_04_0069__li58851754125313"><span>On the top menu bar, choose <strong id="das_04_0069__b1061818395259">Database Management</strong>.</span></li><li id="das_04_0069__li05421250349"><span>On the displayed <strong id="das_04_0069__b1150105510278">Objects</strong> page, select <span class="uicontrol" id="das_04_0069__uicontrol13150655162717"><b>Tables</b></span>, locate the target table, and choose <strong id="das_04_0069__b61511955122718">More</strong> &gt; <strong id="das_04_0069__b191511255132715">Maintain</strong> &gt; <strong id="das_04_0069__b1615165515275">Check</strong> in the <strong id="das_04_0069__b1615195522711">Operation</strong> column.</span></li><li id="das_04_0069__li10299183015541"><span>In the displayed dialog box, click <span class="uicontrol" id="das_04_0069__uicontrol20125162411411"><b>Yes</b></span>.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0008.html">Table Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_04_0071.html b/docs/das/umn/das_04_0071.html
new file mode 100644
index 00000000..06ed7e63
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@@ -0,0 +1,17 @@
+<a name="das_04_0071"></a><a name="das_04_0071"></a>
+
+<h1 class="topictitle1">InnoDB Lock Query</h1>
+<div id="body1548401775868"><div class="section" id="das_04_0071__section60461353162212"><h4 class="sectiontitle">Scenarios</h4><ul id="das_04_0071__ul1814713513543"><li id="das_04_0071__li7147855543">InnoDB lock status management allows you to diagnose conflicts during execution of transactions or sessions with a few clicks. By querying the lock status, you can obtain the lock-holding and lock-wait information of transactions, such as the transaction status, session ID, locked table, and locked data range.</li><li id="das_04_0071__li5147555542">InnoDB Lock Query is currently in open beta testing.</li></ul>
+</div>
+<div class="section" id="das_04_0071__section790151362311"><h4 class="sectiontitle">Procedure</h4><ol id="das_04_0071__ol1982732612518"><li id="das_04_0071__li13827426132514">On the top menu bar, choose <strong id="das_04_0071__b12281041164112">Intelligent O&amp;M</strong> &gt; <strong id="das_04_0071__b829341164117">InnoDB Lock Query</strong>. If there is no transaction waiting for a lock, click <strong id="das_04_0071__b1819417453404">Refresh</strong> to view the latest lock query information.</li><li id="das_04_0071__li058130122519">On the displayed page, the lock-holding and lock-wait information is displayed if a transaction is waiting for a lock.</li><li id="das_04_0071__li102371350263">Move the cursor above an icon to view its detailed information.</li><li id="das_04_0071__li980017327261">Click the lock-holding or lock-wait icon. A dialog box for killing the session is displayed.<div class="p" id="das_04_0071__p13800732102619"><a name="das_04_0071__li980017327261"></a><a name="li980017327261"></a><div class="note" id="das_04_0071__note14800153222614"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="das_04_0071__ul78001132142618"><li id="das_04_0071__li1079963212267">The default lock wait timeout is 50s. You can modify the <span class="uicontrol" id="das_04_0071__uicontrol724712720239"><b>innodb_lock_wait_timeout</b></span> parameter to change the timeout value.</li><li id="das_04_0071__li88001732162612">The SQL window execution timeout is 300s.</li></ul>
+</div></div>
+</div>
+</li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0063.html">Intelligent O&amp;M</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_04_0072.html b/docs/das/umn/das_04_0072.html
new file mode 100644
index 00000000..cad440ca
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+++ b/docs/das/umn/das_04_0072.html
@@ -0,0 +1,22 @@
+<a name="das_04_0072"></a><a name="das_04_0072"></a>
+
+<h1 class="topictitle1">SQL Tuning</h1>
+<div id="body1548401775868"><div class="section" id="das_04_0072__section60461353162212"><h4 class="sectiontitle">Scenarios</h4><p id="das_04_0072__p4287447473">SQL tuning helps you identify the SQL statements that are executed frequently or slowly, and consume large volumes of resources. You can optimize the database according to the diagnosis suggestions to ensure database stability.</p>
+</div>
+<div class="section" id="das_04_0072__section1958785417259"><h4 class="sectiontitle">Prerequisites</h4><ul id="das_04_0072__ul14471626202011"><li id="das_04_0072__li8838928142018">You have tuned SQL statements in the SQL window.</li></ul>
+</div>
+<div class="section" id="das_04_0072__section270110297283"><h4 class="sectiontitle">Procedure</h4><ol id="das_04_0072__ol1314114919495"><li id="das_04_0072__li339010195229"><span>On the top menu bar, choose <strong id="das_04_0072__b1323620514515">Intelligent O&amp;M</strong> &gt; <strong id="das_04_0072__b182411556457">SQL Tuning</strong>.</span></li><li id="das_04_0072__li1461529121716"><span>On the <strong id="das_04_0072__b184909115469">SQL Tuning</strong> page, click <strong id="das_04_0072__b4495911184613">Add SQL Performance Tuning</strong> to add a SQL tuning task. In the displayed dialog box, enter SQL statements or upload a SQL file as required, and then click <strong id="das_04_0072__b381651564611">OK</strong>.</span></li><li id="das_04_0072__li16614163819509"><span>In the SQL tuning task list, select a database, specify a time range, and click <strong id="das_04_0072__b1660141117419">Search</strong> to filter tuning reports. Click <strong id="das_04_0072__b254519428464">View Details</strong> in the <strong id="das_04_0072__b125506429467">Operation</strong> column to view tuning details.</span><p><p id="das_04_0072__p11323342011">On the <strong id="das_04_0072__b746215013489">View Details</strong> page, you can view basic information of the tuning task, turning statuses, and tuned SQL statements.</p>
+<p id="das_04_0072__p14168172615518"></p>
+<p id="das_04_0072__p429817191660">In the tuned SQL list, locate the required SQL and click <strong id="das_04_0072__b15369846144915">View Tuning Result Detail</strong>.</p>
+<div class="p" id="das_04_0072__p151371525563"><div class="note" id="das_04_0072__note12509194118211"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="das_04_0072__ul1250974118216"><li id="das_04_0072__li1750911412219">Only MySQL InnoDB is supported.</li><li id="das_04_0072__li7509204119213">Only the diagnosis of the SELECT, INSERT, UPDATE, and DELETE statements is supported. An INSERT statement must contain a SELECT clause.</li><li id="das_04_0072__li550994119214">Querying stored SQL statements such as information_schema, test, mysql, is not supported.</li><li id="das_04_0072__li19509041929">View statements are not supported.</li><li id="das_04_0072__li14803142143520">The SQL tuning function obtains the table structure and data distribution information (non-original). The obtained data is only for logic diagnosis, but not stored on the DAS server.</li><li id="das_04_0072__li126373133519">Obtaining table structure and data distribution information may add additional loads to the DB instance, but has little impact on its performance.</li><li id="das_04_0072__li10149193553512">Only the SQL diagnosis history is stored on the DAS server. You can delete it from the server permanently.</li></ul>
+</div></div>
+</div>
+</p></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0063.html">Intelligent O&amp;M</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_04_0073.html b/docs/das/umn/das_04_0073.html
new file mode 100644
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@@ -0,0 +1,14 @@
+<a name="das_04_0073"></a><a name="das_04_0073"></a>
+
+<h1 class="topictitle1">Deleting a User</h1>
+<div id="body0000001160992217"><div class="notice" id="das_04_0073__note66377071111037"><span class="noticetitle"><img src="public_sys-resources/notice_3.0-en-us.png"> </span><div class="noticebody"><p id="das_04_0073__p10249075175439">Deleted users cannot be recovered. Exercise caution when performing this operation.</p>
+</div></div>
+<div class="section" id="das_04_0073__section1412134904915"><h4 class="sectiontitle">Procedure</h4><ol id="das_04_0073__ol19282133613169"><li id="das_04_0073__li133144521520"><span>On the top menu bar, choose <strong id="das_04_0073__b7193119114912">Account Management</strong> &gt; <strong id="das_04_0073__b319551994911">User Management</strong>.</span></li><li id="das_04_0073__li20282143661612"><span>In the user list, locate the target user and click <strong id="das_04_0073__b115222424912">Delete</strong> in the <strong id="das_04_0073__b554182418491">Operation</strong> column. In the displayed dialog box, click <strong id="das_04_0073__b1355152484917">Yes</strong>.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_13_0061.html">Account Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_04_0074.html b/docs/das/umn/das_04_0074.html
new file mode 100644
index 00000000..ed1872b4
--- /dev/null
+++ b/docs/das/umn/das_04_0074.html
@@ -0,0 +1,23 @@
+<a name="das_04_0074"></a><a name="das_04_0074"></a>
+
+<h1 class="topictitle1">Tuning SQL Statements</h1>
+<div id="body1551756419076"><div class="section" id="das_04_0074__section60461353162212"><h4 class="sectiontitle">Scenarios</h4><p id="das_04_0074__p4287447473">SQL tuning helps you identify the SQL statements that are executed frequently or slowly, and consume large volumes of resources. You can optimize the database according to the diagnosis suggestions to ensure database stability.</p>
+</div>
+<div class="section" id="das_04_0074__section1887742017442"><h4 class="sectiontitle">Prerequisites</h4><p id="das_04_0074__p125812354416">There is at least one SQL statement or character in the SQL window.</p>
+</div>
+<div class="section" id="das_04_0074__section4735044195013"><h4 class="sectiontitle">Procedure</h4><ol id="das_04_0074__ol1314114919495"><li id="das_04_0074__li339010195229"><span>On the top menu bar, choose <strong id="das_04_0074__b152767456220">SQL Operations</strong> &gt; <strong id="das_04_0074__b128484510213">SQL Window</strong>. In the SQL window, click <strong id="das_04_0074__b132845452218">Tune SQL</strong>.</span></li><li id="das_04_0074__li9638139453"><span>View the tuning result on the displayed <strong id="das_04_0074__b085912452816">SQL Tuning</strong> page, which is opened after the system automatically tunes the SQL statements.</span></li><li id="das_04_0074__li0603195910454"><span>Click <span class="uicontrol" id="das_04_0074__uicontrol1478594312129"><b>View Details</b></span> to view diagnosis information.</span></li><li id="das_04_0074__li16261101716143"><span>On the <strong id="das_04_0074__b2321133161018">SQL Tuning</strong> page, click <strong id="das_04_0074__b432919331103">Add SQL Performance Tuning</strong> to add a SQL tuning task.</span></li><li id="das_04_0074__li674519717176"><span>On the displayed page, enter the SQL statements or upload a SQL file.</span><p><div class="note" id="das_04_0074__note15882651205414"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="das_04_0074__p51311135145513">Separate multiple SQL statements with semicolons (;) if you choose to enter SQL statements. Upload a file of no more than 100 MB if you choose to upload a SQL file.</p>
+</div></div>
+</p></li><li id="das_04_0074__li1461529121716"><span>Click <strong id="das_04_0074__b344214151373">OK</strong>.</span></li><li id="das_04_0074__li106241328201919"><span>In the SQL tuning task list, select a database, specify a time range, and click <strong id="das_04_0074__b182661177714">Search</strong> to filter tuning reports.</span></li><li id="das_04_0074__li16614163819509"><span>Click <strong id="das_04_0074__b54351258162116">View Details</strong> in the <strong id="das_04_0074__b953986142516">Operation</strong> column to view tuning details.</span><p><p id="das_04_0074__p11323342011">On the displayed diagnosis details page, view the tuning details, including the basic information, tuning status preview, tuning task list, and optimization suggestions.</p>
+<div class="p" id="das_04_0074__p151371525563"><div class="note" id="das_04_0074__note12509194118211"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="das_04_0074__ul1250974118216"><li id="das_04_0074__li19732038135619">SQL tuning has the following constraints:<ul id="das_04_0074__ul11878183519599"><li id="das_04_0074__li11378172775917">Only MySQL InnoDB is supported.</li><li id="das_04_0074__li13383227185918">Only the diagnosis of the SELECT, INSERT, UPDATE, and DELETE statements is supported. An INSERT statement must contain a SELECT clause.</li><li id="das_04_0074__li73841227165915">Querying stored SQL statements such as information_schema, test, mysql, is not supported.</li><li id="das_04_0074__li13841727175911">View statements are not supported.</li></ul>
+</li><li id="das_04_0074__li14803142143520">The SQL tuning function obtains the table structure and data distribution information (non-original). The obtained data is only for logic diagnosis, but not stored on the DAS server.</li><li id="das_04_0074__li126373133519">Obtaining table structure and data distribution information may add additional loads to the DB instance, but has little impact on its performance.</li><li id="das_04_0074__li10149193553512">Only the SQL diagnosis history is stored on the DAS server. You can delete it from the server permanently.</li></ul>
+</div></div>
+</div>
+</p></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0045.html">SQL Operations</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_04_0080.html b/docs/das/umn/das_04_0080.html
new file mode 100644
index 00000000..f2bd2ced
--- /dev/null
+++ b/docs/das/umn/das_04_0080.html
@@ -0,0 +1,14 @@
+<a name="das_04_0080"></a><a name="das_04_0080"></a>
+
+<h1 class="topictitle1">Tuning Report</h1>
+<div id="body1561356910738"><div class="section" id="das_04_0080__section60461353162212"><h4 class="sectiontitle">Scenarios</h4><p id="das_04_0080__p5799123793512">A diagnosis report displays the database data in a specified period, including real-time performance data, session statistics, slow SQL statements, and SQL tuning statistics.</p>
+</div>
+<div class="section" id="das_04_0080__section15220181517431"><h4 class="sectiontitle">Procedure</h4><ol id="das_04_0080__ol1634713405437"><li id="das_04_0080__li5347114054311"><span>On the top menu bar, choose <strong id="das_04_0080__b1798812615204">Intelligent O&amp;M</strong> &gt; <strong id="das_04_0080__b1198876142017">Tuning Report</strong>.</span></li><li id="das_04_0080__li12343190114419"><span>On the displayed page, click <strong id="das_04_0080__b1780714521719">Start Diagnosis</strong>. In the displayed dialog box, set duration and frequency and click <strong id="das_04_0080__b1864963715210">OK</strong>.</span></li><li id="das_04_0080__li13822194620311"><span>Search for diagnosis reports by time range. Click <strong id="das_04_0080__b132631527856">View Report</strong> in the <strong id="das_04_0080__b13594255145511">Operation</strong> column to view report details.</span></li><li id="das_04_0080__li13536203223720"><span>On the details page, view metrics such as thread_conn, QPS, and com_del in real time. You can analyze the diagnosis based on performance data, session statistics, slow SQL statements, and SQL tuning content, and download the diagnosis report.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0063.html">Intelligent O&amp;M</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_04_0081.html b/docs/das/umn/das_04_0081.html
new file mode 100644
index 00000000..563e2631
--- /dev/null
+++ b/docs/das/umn/das_04_0081.html
@@ -0,0 +1,95 @@
+<a name="das_04_0081"></a><a name="das_04_0081"></a>
+
+<h1 class="topictitle1">Real-Time Performance</h1>
+<div id="body1561083674019"><div class="section" id="das_04_0081__section17694314481"><h4 class="sectiontitle">Scenarios</h4><p id="das_04_0081__p73151135164814">With <span class="keyword" id="das_04_0081__keyword14709111916195">Intelligent O&amp;M</span>, you can comprehensively analyze DB instances to understand their performance and operating statuses. It provides multi-dimensional and real-time performance monitoring information, including real-time performance of a single instance, performance comparisons of multiple instances, and performance dashboard of multiple instances.</p>
+</div>
+<div class="section" id="das_04_0081__section9200155316493"><h4 class="sectiontitle">Procedure</h4><ol id="das_04_0081__ol2013185711499"><li id="das_04_0081__li013155794913"><span>On the top menu bar, choose <strong id="das_04_0081__b0210343252">Intelligent O&amp;M</strong> &gt; <strong id="das_04_0081__b11773472519">Real-Time Performance</strong>.</span></li><li id="das_04_0081__li9565183625614"><span>On the displayed page, view a variety of metrics, including slow SQL queries, connections, QPS/TPS. You can also pause or start the monitoring and set the monitoring interval (1 to 10 seconds).</span></li><li id="das_04_0081__li490254310530"><span>In the upper right corner, click <strong id="das_04_0081__b1516732114019">Set Metric</strong> to select required metrics.</span><p>
+<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="das_04_0081__table718442518015" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Real-time performance metrics</caption><thead align="left"><tr id="das_04_0081__row618592517020"><th align="left" class="cellrowborder" valign="top" width="33.83%" id="mcps1.3.2.2.3.2.1.2.3.1.1"><p id="das_04_0081__p0360113419010"><strong id="das_04_0081__b1356723034713">Metric</strong></p>
+</th>
+<th align="left" class="cellrowborder" valign="top" width="66.17%" id="mcps1.3.2.2.3.2.1.2.3.1.2"><p id="das_04_0081__p93600344018"><strong id="das_04_0081__b53505398473">Description</strong></p>
+</th>
+</tr>
+</thead>
+<tbody><tr id="das_04_0081__row239362435911"><td class="cellrowborder" valign="top" width="33.83%" headers="mcps1.3.2.2.3.2.1.2.3.1.1 "><p id="das_04_0081__p2394202411599">Slow Queries</p>
+</td>
+<td class="cellrowborder" valign="top" width="66.17%" headers="mcps1.3.2.2.3.2.1.2.3.1.2 "><p id="das_04_0081__p8826946161014">Difference between two adjacent slow query collection points.</p>
+</td>
+</tr>
+<tr id="das_04_0081__row3185125804"><td class="cellrowborder" valign="top" width="33.83%" headers="mcps1.3.2.2.3.2.1.2.3.1.1 "><p id="das_04_0081__p1236018341603">QPS | TPS</p>
+</td>
+<td class="cellrowborder" valign="top" width="66.17%" headers="mcps1.3.2.2.3.2.1.2.3.1.2 "><p id="das_04_0081__p59425306118"><strong id="das_04_0081__b2057981183610">QPS</strong>: Number of SQL statement executions per second.</p>
+<p id="das_04_0081__p594213015119"><strong id="das_04_0081__b20295923195313">TPS</strong>: Number of transactions executed per second.</p>
+</td>
+</tr>
+<tr id="das_04_0081__row01850253017"><td class="cellrowborder" valign="top" width="33.83%" headers="mcps1.3.2.2.3.2.1.2.3.1.1 "><p id="das_04_0081__p12360153413018">Connections</p>
+</td>
+<td class="cellrowborder" valign="top" width="66.17%" headers="mcps1.3.2.2.3.2.1.2.3.1.2 "><p id="das_04_0081__p622413514112"><strong id="das_04_0081__b644017253536">Total</strong>: Number of enabled connections.</p>
+<p id="das_04_0081__p322445118117"><strong id="das_04_0081__b8977192695318">Active</strong>: Number of active connections among the enabled ones.</p>
+</td>
+</tr>
+<tr id="das_04_0081__row1118512517018"><td class="cellrowborder" valign="top" width="33.83%" headers="mcps1.3.2.2.3.2.1.2.3.1.1 "><p id="das_04_0081__p93610341605">DML Executions</p>
+</td>
+<td class="cellrowborder" valign="top" width="66.17%" headers="mcps1.3.2.2.3.2.1.2.3.1.2 "><p id="das_04_0081__p59157961216"><strong id="das_04_0081__b9599103019534">select</strong>: Number of SELECT statement executions per second.</p>
+<p id="das_04_0081__p291520911125"><strong id="das_04_0081__b2163133310530">insert</strong>: Number of INSERT statement executions per second.</p>
+<p id="das_04_0081__p591514941219"><strong id="das_04_0081__b188706330531">update</strong>: Number of UPDATE statement executions per second.</p>
+<p id="das_04_0081__p49151695120"><strong id="das_04_0081__b1952323475318">delete</strong>: Number of DELETE statement executions per second.</p>
+<p id="das_04_0081__p179158914127"><strong id="das_04_0081__b1923593519531">insert_select</strong>: Number of INSERT and QUERY statement executions per second.</p>
+</td>
+</tr>
+<tr id="das_04_0081__row1318520251509"><td class="cellrowborder" valign="top" width="33.83%" headers="mcps1.3.2.2.3.2.1.2.3.1.1 "><p id="das_04_0081__p153613341200">InnoDB Cache</p>
+</td>
+<td class="cellrowborder" valign="top" width="66.17%" headers="mcps1.3.2.2.3.2.1.2.3.1.2 "><p id="das_04_0081__p031416160574"><strong id="das_04_0081__b104001332195915">Cache Hit Ratio</strong>: Measures how many content requests a cache can deliver successfully from its cache storage, compared to how many requests it receives.</p>
+<p id="das_04_0081__p123144160574"><strong id="das_04_0081__b204723385597">Cache Usage</strong>: Usage of a cache.</p>
+</td>
+</tr>
+<tr id="das_04_0081__row1618592517011"><td class="cellrowborder" valign="top" width="33.83%" headers="mcps1.3.2.2.3.2.1.2.3.1.1 "><p id="das_04_0081__p63612342013">InnoDB Accessed Rows</p>
+</td>
+<td class="cellrowborder" valign="top" width="66.17%" headers="mcps1.3.2.2.3.2.1.2.3.1.2 "><p id="das_04_0081__p77531257121211"><strong id="das_04_0081__b1419511394535">rows_read</strong>: Number of rows read from an InnoDB storage engine table.</p>
+<p id="das_04_0081__p1754195710122"><strong id="das_04_0081__b13709184015319">rows_inserted</strong>: Number of rows inserted into an InnoDB storage engine table.</p>
+<p id="das_04_0081__p13754105712122"><strong id="das_04_0081__b7366104105313">rows_updated</strong>: Number of rows updated in an InnoDB storage engine table.</p>
+<p id="das_04_0081__p0754175781215"><strong id="das_04_0081__b915684205312">rows_deleted</strong>: Number of rows deleted from an InnoDB storage engine table.</p>
+</td>
+</tr>
+<tr id="das_04_0081__row71854253011"><td class="cellrowborder" valign="top" width="33.83%" headers="mcps1.3.2.2.3.2.1.2.3.1.1 "><p id="das_04_0081__p148281555576">Logical Reads | Physical Reads</p>
+</td>
+<td class="cellrowborder" valign="top" width="66.17%" headers="mcps1.3.2.2.3.2.1.2.3.1.2 "><p id="das_04_0081__p1047142017136"><strong id="das_04_0081__b1610194417539">Logic Reads</strong>: Number of logical reads per second.</p>
+<p id="das_04_0081__p84711620181317"><strong id="das_04_0081__b890345145315">Physical Reads</strong>: Number of physical reads per second.</p>
+</td>
+</tr>
+<tr id="das_04_0081__row1118520251501"><td class="cellrowborder" valign="top" width="33.83%" headers="mcps1.3.2.2.3.2.1.2.3.1.1 "><p id="das_04_0081__p366711717819">InnoDB Average Row Lock Duration (ms)</p>
+</td>
+<td class="cellrowborder" valign="top" width="66.17%" headers="mcps1.3.2.2.3.2.1.2.3.1.2 "><p id="das_04_0081__p188201946191020">Average locking time of InnoDB row locks (ms).</p>
+</td>
+</tr>
+<tr id="das_04_0081__row141856251605"><td class="cellrowborder" valign="top" width="33.83%" headers="mcps1.3.2.2.3.2.1.2.3.1.1 "><p id="das_04_0081__p966620720813">InnoDB Row Lock Waits</p>
+</td>
+<td class="cellrowborder" valign="top" width="66.17%" headers="mcps1.3.2.2.3.2.1.2.3.1.2 "><p id="das_04_0081__p443032916141"><strong id="das_04_0081__b979323185911">Average InnoDB Row Lock Waits</strong>: Average wait times of InnoDB row locks.</p>
+<p id="das_04_0081__p1943052971413"><strong id="das_04_0081__b1064512513595">Current InnoDB Row Lock Waits</strong>: Number of current waits of InnoDB row locks.</p>
+</td>
+</tr>
+<tr id="das_04_0081__row14208331321"><td class="cellrowborder" valign="top" width="33.83%" headers="mcps1.3.2.2.3.2.1.2.3.1.1 "><p id="das_04_0081__p8664171486">Temporary Tables | Files</p>
+</td>
+<td class="cellrowborder" valign="top" width="66.17%" headers="mcps1.3.2.2.3.2.1.2.3.1.2 "><p id="das_04_0081__p1633816568148"><strong id="das_04_0081__b5260101915112">Temporary tables</strong>: Number of temporary tables that are automatically created during SQL statement execution.</p>
+<p id="das_04_0081__p433811569147"><strong id="das_04_0081__b07952935910">Temporary files</strong>: Number of temporary files that are automatically created during SQL statement execution.</p>
+</td>
+</tr>
+<tr id="das_04_0081__row12430955311"><td class="cellrowborder" valign="top" width="33.83%" headers="mcps1.3.2.2.3.2.1.2.3.1.1 "><p id="das_04_0081__p13662278813">Network Traffic</p>
+</td>
+<td class="cellrowborder" valign="top" width="66.17%" headers="mcps1.3.2.2.3.2.1.2.3.1.2 "><p id="das_04_0081__p039223418157"><strong id="das_04_0081__b18251133195914">Total</strong>: Total incoming and outgoing traffic of an instance.</p>
+<p id="das_04_0081__p6393133414156"><strong id="das_04_0081__b12459143216597">Incoming</strong>: Incoming traffic of an instance.</p>
+<p id="das_04_0081__p15393153420152"><strong id="das_04_0081__b1518813375918">Outgoing</strong>: Outgoing traffic of an instance.</p>
+</td>
+</tr>
+</tbody>
+</table>
+</div>
+</p></li></ol>
+</div>
+<p id="das_04_0081__p1656213158309"></p>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0063.html">Intelligent O&amp;M</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_04_0082.html b/docs/das/umn/das_04_0082.html
new file mode 100644
index 00000000..e4d99a83
--- /dev/null
+++ b/docs/das/umn/das_04_0082.html
@@ -0,0 +1,32 @@
+<a name="das_04_0082"></a><a name="das_04_0082"></a>
+
+<h1 class="topictitle1">Data Tracking and Rollback</h1>
+<div id="body1564736448986"><div class="section" id="das_04_0082__section17694314481"><h4 class="sectiontitle">Scenarios</h4><ul id="das_04_0082__ul148601044115315"><li id="das_04_0082__li286084415539">Audit core data changes, collect change statistics, and view sensitive information. For example, you can use this function to query bank statements, statistics on new orders, and key configuration changes.</li><li id="das_04_0082__li99041705411">Roll back the misoperation to the state before it is operated. For example, you can use the rollback function when the WHERE condition is not added during DBA configuration update, configuration data is deleted by mistake, or a large amount of dirty data and ripple effects are generated due to program bugs.</li></ul>
+</div>
+<div class="section" id="das_04_0082__section181311221621"><h4 class="sectiontitle">Procedure</h4><ol id="das_04_0082__ol129171538538"><li id="das_04_0082__li627672518566"><span>On the top menu bar, choose <strong id="das_04_0082__b155691045192918">Data Scheme</strong> &gt; <strong id="das_04_0082__b545094232911">Data Tracking and Rollback</strong>.</span><p><ul id="das_04_0082__ul1442594588"><li id="das_04_0082__li444359145811">Search for tasks by time range or database name.</li><li id="das_04_0082__li3372912598">You can delete tasks as required by selecting check boxes next to task IDs. The deletion operation is synchronized to DAS.</li><li id="das_04_0082__li11922911222">In the task list, click the task ID to view task details.</li><li id="das_04_0082__li6941638223">In the task list, locate the target task and click <strong id="das_04_0082__b736911110519">View Task</strong> in the <strong id="das_04_0082__b1437411135111">Operation</strong> column. Then, you can view task details under <strong id="das_04_0082__b203741125118">Task Information</strong>, <strong id="das_04_0082__b183752116512">Log Search</strong>, and <strong id="das_04_0082__b53750175120">Rollback Task List</strong>.</li></ul>
+<div class="note" id="das_04_0082__note1073612551418"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="das_04_0082__p1073625516413">A created task will expire in 15 days. Once the task expires, the system automatically retrieves and deletes the changes in DAS.</p>
+</div></div>
+</p></li><li id="das_04_0082__li19747513057"><span>On the displayed page, click <strong id="das_04_0082__b8474251332">Create Tracking Task</strong>. In the displayed dialog box, specify task details, including the task name, time range, and database name.</span><p><div class="note" id="das_04_0082__note1992206185217"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="das_04_0082__ul109217695212"><li id="das_04_0082__li149214617526">Users who create the tracking task for the first time need to agree to the agreement.</li><li id="das_04_0082__li179216665213">Task tracking and rollback take three hours by default.</li></ul>
+</div></div>
+</p></li><li id="das_04_0082__li1614203611125"><span>Click <strong id="das_04_0082__b159653318354">Precheck</strong> to obtain the operation details at a specific point in time.</span><p><div class="note" id="das_04_0082__note1392615127108"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="das_04_0082__ul6394125181012"><li id="das_04_0082__li2039420251102">During the pre-check, binlog files are displayed based on time range. RDS DB instances with the backup function enabled periodically back up the binlog file to the OBS bucket. The backup delay is no more than five minutes.</li><li id="das_04_0082__li13339203031017">When you create a tracking task, there may be no changes in the latest five minutes. In this case, you can create a task again later.</li></ul>
+</div></div>
+</p></li><li id="das_04_0082__li1090913373610"><span>Click <strong id="das_04_0082__b9901171218423">Read Logs</strong> to obtain log details.</span><p><p id="das_04_0082__p18421922124710">When reading logs, the system initiates binlog parsing and stores log changes for filtering and displaying data.</p>
+<div class="note" id="das_04_0082__note1926417299324"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="das_04_0082__ul040775518504"><li id="das_04_0082__li1140711558505">You can search for logs only after all logs are successfully read.</li><li id="das_04_0082__li77411957105012">If a new task is started before the last tracking task is completely read, it is normal that the log start time is later than the end time.</li></ul>
+</div></div>
+</p></li><li id="das_04_0082__li1134813419527"><span>Click <strong id="das_04_0082__b11214624154216">Log Search</strong> to obtain details about the event changes.</span></li><li id="das_04_0082__li1723105812139"><span>Create a rollback task if you need to roll back multiple events. Specifically, click <strong id="das_04_0082__b2373175916111">Create Rollback Task</strong> on the <strong id="das_04_0082__b176342213">Log Search</strong> tab page. In the displayed dialog box, specify event IDs and storage of rollback statements, set advanced settings as required, and click <strong id="das_04_0082__b1555715220496">OK</strong>.</span><p><div class="note" id="das_04_0082__note743415113280"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="das_04_0082__ul1181172910"><li id="das_04_0082__li1013182612312">The start and end event IDs are the ones in the task list and must be entered in ascending order.</li><li id="das_04_0082__li7760319143313">Combing changes<p id="das_04_0082__p138661120123319"><a name="das_04_0082__li7760319143313"></a><a name="li7760319143313"></a>Changing a record (primary key) three consecutive times (for example, 1-&gt;2-&gt;3-&gt;4) equals the change of 1 to 4 (1-&gt;4).</p>
+</li><li id="das_04_0082__li92177556319">Statement Type<p id="das_04_0082__p16959115611310"><a name="das_04_0082__li92177556319"></a><a name="li92177556319"></a><strong id="das_04_0082__b466116131310">Generate event rollback SQL statements</strong>: generates SQL statements with reverse changes based on the images before and after data change.</p>
+<p id="das_04_0082__p111951858183113"><strong id="das_04_0082__b16571131815132">Obtain the original data before changes</strong>: generates rollback tables and insert statements by mirroring before data change.</p>
+</li></ul>
+</div></div>
+</p></li><li id="das_04_0082__li68131831112316"><span>In the rollback task list, view the current rollback task information or create a rollback task.</span><p><ul id="das_04_0082__ul1516815113263"><li id="das_04_0082__li1416810112260">Locate the target rollback task and click <strong id="das_04_0082__b94301652151813">View Details</strong> in the <strong id="das_04_0082__b3431135210181">Operation</strong> column to view task details.</li><li id="das_04_0082__li13168121111268">In the <strong id="das_04_0082__b1740516193571">Operation</strong> column, click <strong id="das_04_0082__b7259152745712">Download</strong> to download the compressed data package of the task.<div class="note" id="das_04_0082__note131277576110"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="das_04_0082__p2013225313443">Changes (such as insert-&gt;delete, delete-&gt;insert, update-&gt;update) on the same record will be combined or canceled. Therefore, the generated file may have no rollback SQL statements or original data.</p>
+</div></div>
+</li></ul>
+</p></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0056.html">Data Scheme</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_04_0083.html b/docs/das/umn/das_04_0083.html
new file mode 100644
index 00000000..ab86a548
--- /dev/null
+++ b/docs/das/umn/das_04_0083.html
@@ -0,0 +1,17 @@
+<a name="das_04_0083"></a><a name="das_04_0083"></a>
+
+<h1 class="topictitle1">Background Tasks</h1>
+<div id="body1564736508500"></div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_04_0120.html">Task Scheduling</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_04_0121.html">Scheduled Backup</a></strong><br>
+</li>
+</ul>
+
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0001.html">MySQL DB Instance Management (Development Tool)</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_04_0084.html b/docs/das/umn/das_04_0084.html
new file mode 100644
index 00000000..fe1479e8
--- /dev/null
+++ b/docs/das/umn/das_04_0084.html
@@ -0,0 +1,15 @@
+<a name="das_04_0084"></a><a name="das_04_0084"></a>
+
+<h1 class="topictitle1">SQL History</h1>
+<div id="body1564736933209"><div class="section" id="das_04_0084__section11762204110325"><h4 class="sectiontitle">Procedure</h4><ol id="das_04_0084__ol1976311419326"><li id="das_04_0084__li865994011591"><span>On the top menu bar, choose <strong id="das_04_0084__b948718716412">SQL Operations</strong> &gt; <strong id="das_04_0084__b1949218714116">SQL History</strong>.</span></li><li id="das_04_0084__li12855234373"><span>On the displayed page, search for execution information about the target SQL statement by time range, database name, or keyword.</span><p><div class="fignone" id="das_04_0084__fig02281237114216"><span class="figcap"><b>Figure 1 </b>SQL History</span><br><span><img id="das_04_0084__image131374204425" src="en-us_image_0000001337591520.png"></span></div>
+<div class="p" id="das_04_0084__p1190210516427"><ul id="das_04_0084__ul1443911170425"><li id="das_04_0084__li12439317104212">To access the <strong id="das_04_0084__b1717295911205">Database Management</strong> page, click a database name.</li><li id="das_04_0084__li1743941754212">To copy and use your required SQL statements, click the SQL statement in the <strong id="das_04_0084__b17800238114214">SQL Statement</strong> column.</li><li id="das_04_0084__li124394177423">To directly execute a SQL statement, click <strong id="das_04_0084__b13954410433">Open in SQL Window</strong> in the <strong id="das_04_0084__b09584174318">Operation</strong> column.</li></ul>
+</div>
+</p></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0045.html">SQL Operations</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_04_0085.html b/docs/das/umn/das_04_0085.html
new file mode 100644
index 00000000..63deb641
--- /dev/null
+++ b/docs/das/umn/das_04_0085.html
@@ -0,0 +1,15 @@
+<a name="das_04_0085"></a><a name="das_04_0085"></a>
+
+<h1 class="topictitle1">Structure Management</h1>
+<div id="body1564736933209"></div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_04_0086.html">Table Structure Comparison and Synchronization</a></strong><br>
+</li>
+</ul>
+
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0001.html">MySQL DB Instance Management (Development Tool)</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_04_0086.html b/docs/das/umn/das_04_0086.html
new file mode 100644
index 00000000..63db03c1
--- /dev/null
+++ b/docs/das/umn/das_04_0086.html
@@ -0,0 +1,20 @@
+<a name="das_04_0086"></a><a name="das_04_0086"></a>
+
+<h1 class="topictitle1">Table Structure Comparison and Synchronization</h1>
+<div id="body1564736933209"><div class="section" id="das_04_0086__section106881527383"><h4 class="sectiontitle">Scenarios</h4><p id="das_04_0086__p093416617386">When you perform a migration or verification, you can check the structure difference by comparing and synchronizing table structures.</p>
+</div>
+<div class="section" id="das_04_0086__section9467125793919"><h4 class="sectiontitle">Procedure</h4><ol id="das_04_0086__ol114685574398"><li id="das_04_0086__li1696710012312"><span>On the top menu bar, choose <strong id="das_04_0086__b112013321338">Structure Management</strong> &gt; <strong id="das_04_0086__b125132153313">Table Structure Comparison and Synchronization</strong>.</span><p><p id="das_04_0086__p67812113316">Search for tasks by task status and view task details.</p>
+<p id="das_04_0086__p1541593935813"></p>
+</p></li><li id="das_04_0086__li876044612294"><span>On the displayed page, click <strong id="das_04_0086__b1485814793619">Create Task</strong> in the upper left corner.</span></li><li id="das_04_0086__li321582193116"><span>On the displayed page, specify the source database, target instance, target database, error tolerance, and synchronization type. Click <strong id="das_04_0086__b1388939102215">Next</strong>.</span><p><p id="das_04_0086__p23282389391"></p>
+</p></li><li id="das_04_0086__li198741431184418"><span>View comparison objects and click <strong id="das_04_0086__b12713110144018">Compare</strong>.</span><p><p id="das_04_0086__p153161738144414">You can also select the items you want to skip and click <strong id="das_04_0086__b1785112184217">Skip</strong> to cancel the comparison.</p>
+</p></li><li id="das_04_0086__li6428362447"><span>View the comparison progress. In the comparison item list, click <strong id="das_04_0086__b565917133250">View Logs</strong> in the <strong id="das_04_0086__b53641319204414">Operation</strong> column to obtain comparison details. You can also click <strong id="das_04_0086__b4219131304511">Download DDL</strong> as needed.</span><p><p id="das_04_0086__p7390731047"></p>
+</p></li><li id="das_04_0086__li1168811212419"><span>Click <strong id="das_04_0086__b155721727154611">Next</strong>. On the <strong id="das_04_0086__b10236115317469">Synchronize</strong> page, view the basic information about this comparison task, such as the source instance, source database, target instance, target database, and synchronization type, and specify the items to be synchronized.</span></li><li id="das_04_0086__li2868121416399"><span>Skip synchronization items that may cause high risks and click <strong id="das_04_0086__b11262657504">Synchronize</strong>.</span><p><p id="das_04_0086__p537112113424"></p>
+</p></li><li id="das_04_0086__li213616498476"><span>After synchronization is complete, click <strong id="das_04_0086__b57591119165214">View Logs</strong> in the <strong id="das_04_0086__b769793514525">Operation</strong> column to obtain comparison details. You can download DDL as required.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0085.html">Structure Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_04_0093.html b/docs/das/umn/das_04_0093.html
new file mode 100644
index 00000000..a7e85d45
--- /dev/null
+++ b/docs/das/umn/das_04_0093.html
@@ -0,0 +1,16 @@
+<a name="das_04_0093"></a><a name="das_04_0093"></a>
+
+<h1 class="topictitle1">Emergency Channel</h1>
+<div id="body1594283679325"><div class="section" id="das_04_0093__section60461353162212"><h4 class="sectiontitle">Scenarios</h4><p id="das_04_0093__p1316315391375">If the maximum number of sessions for an instance has been reached and the instance cannot be logged in to, you can view and kill unnecessary sessions through the emergency channel.</p>
+</div>
+<div class="section" id="das_04_0093__section17704165013818"><h4 class="sectiontitle">Procedure</h4><ol id="das_04_0093__ol1314114919495"><li id="das_04_0093__li339010195229"><span>On the top menu bar, choose <strong id="das_04_0093__b6559105416265">Intelligent O&amp;M</strong> &gt; <strong id="das_04_0093__b1791012227272">Emergency Channel</strong>.</span></li><li id="das_04_0093__li17289921202"><span>On the displayed page, view the description of Emergency Channel.</span></li><li id="das_04_0093__li135748212452"><span>On the <strong id="das_04_0093__b1141124393120">History Logs</strong> page, view the sessions that have been killed.</span></li></ol>
+<div class="note" id="das_04_0093__note15314132134120"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="das_04_0093__p64121023182320">A session supports a maximum of three tasks. Close unnecessary sessions temporarily for the transaction to run properly.</p>
+</div></div>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0063.html">Intelligent O&amp;M</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_04_0094.html b/docs/das/umn/das_04_0094.html
new file mode 100644
index 00000000..ea0c9976
--- /dev/null
+++ b/docs/das/umn/das_04_0094.html
@@ -0,0 +1,16 @@
+<a name="das_04_0094"></a><a name="das_04_0094"></a>
+
+<h1 class="topictitle1">Memory Parameter Setting Diagnosis</h1>
+<div id="body1594283679325"><div class="section" id="das_04_0094__section60461353162212"><h4 class="sectiontitle">Scenarios</h4><p id="das_04_0094__p3302501949">You can view memory parameter settings online to detect problems in a timely manner. This prevents high memory usage.</p>
+<p id="das_04_0094__p177251361445">    </p>
+</div>
+<div class="section" id="das_04_0094__section17704165013818"><h4 class="sectiontitle">Procedure</h4><ol id="das_04_0094__ol1314114919495"><li id="das_04_0094__li339010195229"><span>On the top menu bar, choose <strong id="das_04_0094__b1521838173412">Intelligent O&amp;M</strong> &gt; <strong id="das_04_0094__b14852841173416">Memory Parameter Setting Diagnosis</strong>.</span></li><li id="das_04_0094__li17289921202"><span>On the displayed page, adjust parameter settings to estimate the maximum available memory for MySQL.</span></li></ol>
+<p id="das_04_0094__p1029517437599"></p>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0063.html">Intelligent O&amp;M</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_04_0096.html b/docs/das/umn/das_04_0096.html
new file mode 100644
index 00000000..44f04eca
--- /dev/null
+++ b/docs/das/umn/das_04_0096.html
@@ -0,0 +1,31 @@
+<a name="das_04_0096"></a><a name="das_04_0096"></a>
+
+<h1 class="topictitle1">MySQL DB Instances</h1>
+<div id="body1597910782631"></div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_03_0025.html">Function Overview</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_03_0026.html">Performance</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_03_0027.html">Sessions</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_03_0028.html">SQL</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_03_0029.html">Space</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_03_0030.html">Binlog</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_03_0031.html">Parameters</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_03_0032.html">Daily Reports</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_03_0041.html">Locks and Transactions</a></strong><br>
+</li>
+</ul>
+
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_18_0097.html">Intelligent O&amp;M</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_04_0098.html b/docs/das/umn/das_04_0098.html
new file mode 100644
index 00000000..af8abe58
--- /dev/null
+++ b/docs/das/umn/das_04_0098.html
@@ -0,0 +1,17 @@
+<a name="das_04_0098"></a><a name="das_04_0098"></a>
+
+<h1 class="topictitle1">Import and Export</h1>
+<div id="body1565678260816"></div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_04_0042.html">Data Import</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_04_0041.html">Data Export</a></strong><br>
+</li>
+</ul>
+
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0001.html">MySQL DB Instance Management (Development Tool)</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_04_0100.html b/docs/das/umn/das_04_0100.html
new file mode 100644
index 00000000..43d58999
--- /dev/null
+++ b/docs/das/umn/das_04_0100.html
@@ -0,0 +1,15 @@
+<a name="das_04_0100"></a><a name="das_04_0100"></a>
+
+<h1 class="topictitle1">SQL Diagnosis</h1>
+<div id="body1597911480256"><div class="section" id="das_04_0100__section270110297283"><h4 class="sectiontitle">Procedure</h4><ol id="das_04_0100__ol1314114919495"><li id="das_04_0100__li85211981017"><span>Log in to the DAS console using your username and password.</span></li><li id="das_04_0100__li2145113319114"><span>On the <strong id="das_04_0100__b4133353201311">Overview</strong> page, click <strong id="das_04_0100__b11140165310135">Go to Intelligent O&amp;M</strong>.</span></li><li id="das_04_0100__li2566183817210"><span>Locate your desired instance and click <strong id="das_04_0100__b1186075514139">Details</strong> to go to the Intelligent O&amp;M overview page.</span></li><li id="das_04_0100__li581367183111"><span>Choose <strong id="das_04_0100__b20945148194316">SQL</strong> &gt; <strong id="das_04_0100__b0271152164419">SQL Diagnosis</strong>. On the displayed page, select your desired database, enter the SQL statements to be diagnosed, and click <strong id="das_04_0100__b1848112654517">Diagnose</strong>. The diagnosis result page is displayed.</span></li><li id="das_04_0100__li138551321515"><span>On the <strong id="das_04_0100__b17275101964317">SQL Diagnosis</strong> page, enter SQL statements and click <span class="uicontrol" id="das_04_0100__uicontrol142751919114316"><b>Execute</b></span>. The system automatically executes the statements and displays a result set.</span></li><li id="das_04_0100__li187234371539"><span>On the <strong id="das_04_0100__b5951646124018">SQL Diagnosis</strong> page, enter multiple SQL statements and click <span class="uicontrol" id="das_04_0100__uicontrol17961346194011"><b>Format</b></span>. The system automatically formats all SQL statements.</span></li><li id="das_04_0100__li194134417546"><span>On the <strong id="das_04_0100__b1577195124014">SQL Diagnosis</strong> page, enter multiple SQL statements and click <span class="uicontrol" id="das_04_0100__uicontrol1358215517406"><b>View Execution Plan</b></span>. The system automatically executes all SQL statements in sequence.</span><p><div class="note" id="das_04_0100__note12509194118211"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="das_04_0100__ul1250974118216"><li id="das_04_0100__li1750911412219">Only MySQL InnoDB is supported.</li><li id="das_04_0100__li7509204119213">Only the diagnosis of the SELECT, INSERT, UPDATE, and DELETE statements is supported. An INSERT statement must contain a SELECT clause.</li><li id="das_04_0100__li550994119214">Querying stored SQL statements such as information_schema, test, mysql, is not supported.</li><li id="das_04_0100__li19509041929">View statements are not supported.</li><li id="das_04_0100__li14803142143520">The SQL tuning function obtains the table structure and data distribution information (non-original). The obtained data is only for logic diagnosis, but not stored on the DAS server.</li><li id="das_04_0100__li126373133519">Obtaining table structure and data distribution information may add additional loads to the DB instance, but has little impact on its performance.</li><li id="das_04_0100__li10149193553512">Only the SQL diagnosis history is stored on the DAS server. You can delete it from the server permanently.</li><li id="das_04_0100__li11462123151415"><strong id="das_04_0100__b2015712165532">Format SQL</strong>: improves the readability of SQL statements. Formatting SQL statements enables statements to be displayed in line break mode, but does not change their logic and semantics.<p id="das_04_0100__p9241133211126">The formatting takes effect for all the SQL statements in the SQL window. You cannot format only the selected statements.</p>
+</li></ul>
+</div></div>
+</p></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_03_0028.html">SQL</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_04_0110.html b/docs/das/umn/das_04_0110.html
new file mode 100644
index 00000000..058edaf7
--- /dev/null
+++ b/docs/das/umn/das_04_0110.html
@@ -0,0 +1,13 @@
+<a name="das_04_0110"></a><a name="das_04_0110"></a>
+
+<h1 class="topictitle1">Viewing Stored Procedure Details</h1>
+<div id="body0000001082118355"><div class="section" id="das_04_0110__section178641012717"><h4 class="sectiontitle">Procedure</h4><ol id="das_04_0110__ol18960925691"><li id="das_04_0110__li4668192315254"><span>On the top menu bar, choose <strong id="das_04_0110__b8827195375413">Database Management</strong>. On the displayed <strong id="das_04_0110__b13829145375418">Objects</strong> tab, choose <strong id="das_04_0110__b283085375412">Stored Procedures</strong>.</span></li><li id="das_04_0110__li842262182817"><span>In the right pane, click <span class="uicontrol" id="das_04_0110__uicontrol781132419553"><b>View Details</b></span>.</span></li></ol>
+</div>
+<p id="das_04_0110__p8060118"></p>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0030.html">Stored Procedure Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_04_0120.html b/docs/das/umn/das_04_0120.html
new file mode 100644
index 00000000..038703d4
--- /dev/null
+++ b/docs/das/umn/das_04_0120.html
@@ -0,0 +1,29 @@
+<a name="das_04_0120"></a><a name="das_04_0120"></a>
+
+<h1 class="topictitle1">Task Scheduling</h1>
+<div id="body0000001088313923"><div class="section" id="das_04_0120__section167651415193412"><h4 class="sectiontitle">Scenarios</h4><p id="das_04_0120__p1837141853415">DAS allows you to execute SQL statements by scheduling tasks. Scheduling types include upon submission, scheduled, and periodic. You can select the scheduling type when creating a task. Error control and transaction control can be performed on SQL statements during scheduling, and task dependency chains can be set for dependent SQL statements.</p>
+</div>
+<div class="section" id="das_04_0120__section1625516410281"><h4 class="sectiontitle">Procedure</h4><ol id="das_04_0120__ol855152412816"><li id="das_04_0120__li17289921202"><span>On the top menu bar, choose <strong id="das_04_0120__b16349155172019">Background Tasks</strong> &gt; <strong id="das_04_0120__b83601155102019">Task Scheduling</strong>.</span><p><div class="note" id="das_04_0120__note1367813417393"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="das_04_0120__p1367916443915">You can create a scheduling task only after agreeing to save the SQL statements in the database.</p>
+</div></div>
+</p></li><li id="das_04_0120__li929814733711"><span>On the <strong id="das_04_0120__b1395016595207">Scheduling Tasks</strong> page, click <strong id="das_04_0120__b20957195920204">Create Task</strong>.</span></li><li id="das_04_0120__li13846199163715"><span>On the displayed page, set the task name, scheduling type, and execution time tolerance.</span><p><p id="das_04_0120__p1025142611511"><strong id="das_04_0120__b6629123163418">Upon submission</strong>: Indicates that a scheduled task is executed immediately after being submitted. The task is executed only once.</p>
+<p id="das_04_0120__p196863975118"><strong id="das_04_0120__b109344531347">Scheduled</strong>: Indicates that a task is executed at a scheduled point in time after being submitted. The task is executed only once.</p>
+<p id="das_04_0120__p6152134475112"><strong id="das_04_0120__b2351161412110">Periodic</strong>: Indicates that a task is executed periodically at the specified time after being submitted.</p>
+<p id="das_04_0120__p851214125501"><strong id="das_04_0120__b1587821662117">Execution Time Tolerance</strong>: Indicates the length of time (in seconds) to wait for a task to be executed before it is no longer scheduled. However, this will not affect the task if it is scheduled again later.</p>
+</p></li><li id="das_04_0120__li9418115110431"><span>Under <strong id="das_04_0120__b16536122014219">Add SQL Statements</strong>, click <strong id="das_04_0120__b95434201216">Add</strong>. On the displayed page, set parameters as needed and click <strong id="das_04_0120__b854418203217">Save</strong>. Then, submit the task.</span><p><div class="note" id="das_04_0120__note17249103011467"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="das_04_0120__p1725023034616">After a task is executed, it is automatically displayed in the list of finished tasks.</p>
+</div></div>
+</p></li><li id="das_04_0120__li188575611397"><span>In the scheduling task list, view periodic tasks.</span><p><p id="das_04_0120__p154578803920">You can search for tasks by status, scheduling type, task ID, or task name.</p>
+<ul id="das_04_0120__ul173314531390"><li id="das_04_0120__li14666185614588"><strong id="das_04_0120__b152817391212">Details</strong>: Click it to view the task information.<p id="das_04_0120__p123461901316">View the execution logs and group details under the group list and view the SQL statements on the group details page.</p>
+<p id="das_04_0120__p3309557127">Click the name of a periodic task to go to the <strong id="das_04_0120__b174801043142110">Task Information</strong> page. Then, click <strong id="das_04_0120__b1488134319215">Schedule Now</strong> to trigger a scheduling immediately. Additionally, view the execution details on the <strong id="das_04_0120__b122024582112">Scheduling Execution Records</strong> page.</p>
+</li><li id="das_04_0120__li2332135373912"><strong id="das_04_0120__b1739117498216">Execution Records</strong>: Click it to view the task execution details and logs.</li><li id="das_04_0120__li23321753183910"><strong id="das_04_0120__b11768155218217">View Logs</strong>: Click it to view log details.</li><li id="das_04_0120__li173321535393"><strong id="das_04_0120__b746115511214">Terminate</strong>: Click it to stop a scheduled task. A stopped task will be moved to the <strong id="das_04_0120__b154755592114">Finished Tasks</strong> list.</li><li id="das_04_0120__li81511133195219"><strong id="das_04_0120__b25047577211">Pause</strong>: Click it to pause a task. The task status changes from <span class="uicontrol" id="das_04_0120__uicontrol1697018474531"><b>Scheduling</b></span> to <span class="uicontrol" id="das_04_0120__uicontrol1642085345310"><b>Paused</b></span>. You can also click <span class="uicontrol" id="das_04_0120__uicontrol614411213543"><b>Resume</b></span> to restore the scheduling.</li></ul>
+</p></li><li id="das_04_0120__li152588115396"><span>On the <strong id="das_04_0120__b14885170132216">Finished Tasks</strong> page, view tasks that are executed upon submission or at scheduled points in time.</span><p><p id="das_04_0120__p61041812133910">You can search for tasks by status, scheduling type, task ID, or task name.</p>
+<ul id="das_04_0120__ul189009531816"><li id="das_04_0120__li117751922105814"><strong id="das_04_0120__b84447213819">Details</strong>: Click it to view the task information.<p id="das_04_0120__p192461924115814">View the execution logs and group details under the group list, and view or modify the SQL statements on the group details page.</p>
+</li><li id="das_04_0120__li199031710182"><strong id="das_04_0120__b311941312210">Execution Records</strong>: Click it to view the task execution details, group execution status, SQL statements, and group logs.</li><li id="das_04_0120__li151784106187"><strong id="das_04_0120__b168722142223">View Logs</strong>: Click it to view log details.</li><li id="das_04_0120__li9114101251815"><strong id="das_04_0120__b387181792216">Delete</strong>: Click it to delete a task from the database.</li></ul>
+</p></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0083.html">Background Tasks</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_04_0121.html b/docs/das/umn/das_04_0121.html
new file mode 100644
index 00000000..932c203b
--- /dev/null
+++ b/docs/das/umn/das_04_0121.html
@@ -0,0 +1,18 @@
+<a name="das_04_0121"></a><a name="das_04_0121"></a>
+
+<h1 class="topictitle1">Scheduled Backup</h1>
+<div id="body0000001088187655"><div class="section" id="das_04_0121__section735519191322"><h4 class="sectiontitle">Scenarios</h4><p id="das_04_0121__p11946132243216">Scheduled backup allows you to back up important database tables and data or SQL result sets so that data can be restored timely in case of a data loss.</p>
+</div>
+<div class="section" id="das_04_0121__section1625516410281"><h4 class="sectiontitle">Procedure</h4><ol id="das_04_0121__ol855152412816"><li id="das_04_0121__li17289921202"><span>On the top menu bar, choose <strong id="das_04_0121__b19341014234">Background Tasks</strong> &gt; <strong id="das_04_0121__b2094341122317">Scheduled Backup</strong>.</span></li><li id="das_04_0121__li929814733711"><span>On the task list page, click <span class="uicontrol" id="das_04_0121__uicontrol1929641712373"><b>Set AK/SK</b></span> in the upper left corner.</span><p><div class="note" id="das_04_0121__note212542115313"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="das_04_0121__p31886242315"><strong id="das_04_0121__b14812165681511">Storage</strong>: The system stores encrypted files in OBS buckets.</p>
+<p id="das_04_0121__p367303017320"><strong id="das_04_0121__b55656310171">AK</strong> and <strong id="das_04_0121__b421512791715">SK</strong>: Access key ID (AK) and secret access key (SK) are required when cloud services are accessed using development tools (APIs, CLI, and SDKs).</p>
+</div></div>
+</p></li><li id="das_04_0121__li86411829132914"><span>Select an OBS bucket, enter the AK and SK, and click <strong id="das_04_0121__b1157200112112">Test AK/SK</strong>.</span></li><li id="das_04_0121__li23471291263"><span>After the test succeeded, click <span class="uicontrol" id="das_04_0121__uicontrol524615103419"><b>OK</b></span>.</span></li><li id="das_04_0121__li3218173610618"><span>On the task list page, click <span class="uicontrol" id="das_04_0121__uicontrol107991844132715"><b>Create DB Backup Task</b></span>.</span></li><li id="das_04_0121__li374506102816"><span>Enter a task name, select a task type, and select the database and storage information.</span></li><li id="das_04_0121__li10889135327"><span>Confirm the settings and click <span class="uicontrol" id="das_04_0121__uicontrol410718573334"><b>OK</b></span>.</span></li><li id="das_04_0121__li836172017344"><span>On the task list page, click <span class="uicontrol" id="das_04_0121__uicontrol11421959103414"><b>Details</b></span> to view the task details.</span></li><li id="das_04_0121__li157372042444"><span>On the task list page, click <span class="uicontrol" id="das_04_0121__uicontrol2718711164520"><b>Create SQL Result Set Backup Task</b></span>.</span></li><li id="das_04_0121__li87211532145210"><span>Enter a task name, select a task type, and set the time, backup file format, database, and storage information.</span></li><li id="das_04_0121__li1759614434615"><span>Confirm the settings and click <span class="uicontrol" id="das_04_0121__uicontrol16252656132819"><b>OK</b></span>.</span></li><li id="das_04_0121__li16195135784618"><span>On the task list page, click <span class="uicontrol" id="das_04_0121__uicontrol153833155415"><b>Execution Records</b></span> to view the backup status.</span></li><li id="das_04_0121__li15506165525111"><span>Click <span class="uicontrol" id="das_04_0121__uicontrol28011818145311"><b>Details</b></span> to view the backup logs.</span></li><li id="das_04_0121__li27101911165314"><span>Click <strong id="das_04_0121__b148342212245">Download</strong> to download the backup file.</span></li><li id="das_04_0121__li1031801185520"><span>On the task list page, click <span class="uicontrol" id="das_04_0121__uicontrol613064115565"><b>Terminate</b></span> or <span class="uicontrol" id="das_04_0121__uicontrol1998194375614"><b>Pause</b></span> to stop or pause a task.</span></li></ol>
+</div>
+<p id="das_04_0121__p8060118"></p>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0083.html">Background Tasks</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_05_0011.html b/docs/das/umn/das_05_0011.html
new file mode 100644
index 00000000..63c0e6bb
--- /dev/null
+++ b/docs/das/umn/das_05_0011.html
@@ -0,0 +1,14 @@
+<a name="das_05_0011"></a><a name="das_05_0011"></a>
+
+<h1 class="topictitle1">Real-Time Sessions</h1>
+<div id="body0000001122879696"><div class="section" id="das_05_0011__section1582324314564"><h4 class="sectiontitle">Procedure</h4><ol id="das_05_0011__ol93493469568"><li id="das_05_0011__li85211981017"><span>Log in to the DAS console using your username and password.</span></li><li id="das_05_0011__li2145113319114"><span>On the <strong id="das_05_0011__b199271257185417">Overview</strong> page, click <strong id="das_05_0011__b7927195795412">Go to Intelligent O&amp;M</strong>.</span></li><li id="das_05_0011__li2566183817210"><span>Select the required instance and click <strong id="das_05_0011__b419410055512">Details</strong> to go to the Intelligent O&amp;M overview page.</span></li><li id="das_05_0011__li10349946195620"><span>Choose <strong id="das_05_0011__b536274362719">Sessions</strong> &gt; <strong id="das_05_0011__b114931949112716">Real-Time Sessions</strong>.</span><p><p id="das_05_0011__p9543122061018"></p>
+</p></li><li id="das_05_0011__li27051232115"><span>On the <strong id="das_05_0011__b1815113419610">All Sessions</strong> tab page, select the abnormal sessions you want to end and click <span class="uicontrol" id="das_05_0011__uicontrol181603417617"><b>Kill</b></span> for the databases to recover.</span><p><p id="das_05_0011__p746345142113">On the <strong id="das_05_0011__b1261814523283">Slow Sessions</strong> tab page, set the slow session threshold to view the target sessions.</p>
+</p></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_05_0027.html">Sessions</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_05_0015.html b/docs/das/umn/das_05_0015.html
new file mode 100644
index 00000000..c350c4bd
--- /dev/null
+++ b/docs/das/umn/das_05_0015.html
@@ -0,0 +1,14 @@
+<a name="das_05_0015"></a><a name="das_05_0015"></a>
+
+<h1 class="topictitle1">SQL Explorer</h1>
+<div id="body0000001122879698"><div class="section" id="das_05_0015__section194230161415"><h4 class="sectiontitle">Procedure</h4><ol id="das_05_0015__ol181115339416"><li id="das_05_0015__li85211981017"><span>Log in to the DAS console using your username and password.</span></li><li id="das_05_0015__li2145113319114"><span>On the <strong id="das_05_0015__b1778515111396">Overview</strong> page, click <strong id="das_05_0015__b4786911103911">Go to Intelligent O&amp;M</strong>.</span></li><li id="das_05_0015__li2566183817210"><span>Select the required instance and click <strong id="das_05_0015__b67811814113914">Details</strong> to go to the Intelligent O&amp;M overview page.</span></li><li id="das_05_0015__li581367183111"><span>Choose <strong id="das_05_0015__b4539116173915">SQL</strong> &gt; <strong id="das_05_0015__b19540216203916">SQL Explorer</strong> to view full SQL details of the instance.</span></li><li id="das_05_0015__li14457326113"><span>On the <strong id="das_05_0015__b2021653843914">SQL Statements</strong> tab page, click <strong id="das_05_0015__b1021763818398">Enable DAS SQL Explorer</strong>. Query the SQL statements executed by the current instance by time range, user, keyword, or database.</span><p><div class="note" id="das_05_0015__note1784101515111"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="das_05_0015__p1284110151112">A maximum of 10,000 SQL statements can be displayed. If you need to view more, click <span class="uicontrol" id="das_05_0015__uicontrol142463287491"><b>Export</b></span> to export them. A maximum of 100,000 records can be exported.</p>
+</div></div>
+</p></li><li id="das_05_0015__li999619882216"><span>On the <strong id="das_05_0015__b19235194844910">SQL Templates</strong> tab page, select a time range to view SQL templates and their statistical information, for example, the average execution duration.</span></li><li id="das_05_0015__li11294155811106"><span>On the <strong id="das_05_0015__b284271618507">SQL Statement Types</strong> tab page, view types of SQL statements that were ever executed.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_05_0028.html">SQL</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_05_0016.html b/docs/das/umn/das_05_0016.html
new file mode 100644
index 00000000..57511773
--- /dev/null
+++ b/docs/das/umn/das_05_0016.html
@@ -0,0 +1,18 @@
+<a name="das_05_0016"></a><a name="das_05_0016"></a>
+
+<h1 class="topictitle1">Emergency Channel</h1>
+<div id="body0000001123039530"><div class="section" id="das_05_0016__section158691750154012"><h4 class="sectiontitle">Scenarios</h4><ul id="das_05_0016__ul95412126414"><li id="das_05_0016__li75421712104118">Emergency Channel<ul id="das_05_0016__ul145281224191817"><li id="das_05_0016__li1528202471810">If the maximum number of sessions for an instance has been reached and the instance cannot be logged in to, you can view and kill unnecessary sessions through the emergency channel.</li><li id="das_05_0016__li1529182431811">Emergency channel is available to only RDS MySQL and GaussDB(for MySQL) instances currently, but not to self-built DB instances on ECSs and instances in the creating, frozen, or abnormal state.</li><li id="das_05_0016__li952932441816">Do not kill sessions unless you really need to. All your kill operations will be logged.</li><li id="das_05_0016__li1852932431813">If your instance can be logged in to on the DAS console, log in to the instance and perform the required operations through <strong id="das_05_0016__b1517511815239">Real-Time Sessions</strong>.</li><li id="das_05_0016__li9529152416189">Sessions of sensitive users such as <strong id="das_05_0016__b132054353116">rdsadmin</strong>, <strong id="das_05_0016__b12380184512313">rdsbackup</strong>, <strong id="das_05_0016__b7164551103116">rdsmetric</strong>, and <strong id="das_05_0016__b1149575883115">rdsRepl</strong> cannot be killed.</li></ul>
+</li><li id="das_05_0016__li163981515184116">History Logs<p id="das_05_0016__p7667172444419"><a name="das_05_0016__li163981515184116"></a><a name="li163981515184116"></a>On the <strong id="das_05_0016__b1642811415321">History Logs</strong> tab page, you can view all your sessions killed through the emergency channel.</p>
+</li></ul>
+</div>
+<div class="section" id="das_05_0016__section145368305513"><h4 class="sectiontitle">Prerequisites</h4><p id="das_05_0016__p640314181489">The DB engine must be MySQL. The MySQL 5.6 version must be 5.6.43.3 or later, and MySQL 5.7 version must be 5.7.25.3 or later.</p>
+</div>
+<div class="section" id="das_05_0016__section16707254123620"><h4 class="sectiontitle">Procedure</h4><ol id="das_05_0016__ol181115339416"><li id="das_05_0016__li85211981017"><span>Log in to the DAS console using your username and password.</span></li><li id="das_05_0016__li2145113319114"><span>On the <strong id="das_05_0016__b2529134133219">Overview</strong> page, click <strong id="das_05_0016__b653016343327">Go to Intelligent O&amp;M</strong>.</span></li><li id="das_05_0016__li2566183817210"><span>Select the required instance and click <strong id="das_05_0016__b1292714355320">Details</strong> to go to the Intelligent O&amp;M overview page.</span></li><li id="das_05_0016__li1779617209276"><span>Choose <strong id="das_05_0016__b0871311174114">Sessions</strong> &gt; <strong id="das_05_0016__b5791216124113">Emergency Channel</strong>, and select the sessions you want to kill. Sessions are sorted in descending order by duration.</span></li><li id="das_05_0016__li5930134811590"><span>Click <strong id="das_05_0016__b77341448143418">Kill</strong>. In the displayed dialog box, click <span class="uicontrol" id="das_05_0016__uicontrol147351748153412"><b>Yes</b></span>.</span></li><li id="das_05_0016__li650192913916"><span>Click <span class="uicontrol" id="das_05_0016__uicontrol1838110473511"><b>History Logs</b></span> to view the sessions killed through the emergency channel.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_05_0027.html">Sessions</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_05_0017.html b/docs/das/umn/das_05_0017.html
new file mode 100644
index 00000000..2a46788c
--- /dev/null
+++ b/docs/das/umn/das_05_0017.html
@@ -0,0 +1,13 @@
+<a name="das_05_0017"></a><a name="das_05_0017"></a>
+
+<h1 class="topictitle1">Slow Query Logs</h1>
+<div id="body0000001169599381"><div class="section" id="das_05_0017__section1479062101110"><h4 class="sectiontitle">Procedure</h4><ol id="das_05_0017__ol181115339416"><li id="das_05_0017__li85211981017"><span>Log in to the DAS console using your username and password.</span></li><li id="das_05_0017__li2145113319114"><span>On the <strong id="das_05_0017__b1070172216717">Overview</strong> page, click <strong id="das_05_0017__b6702622977">Go to Intelligent O&amp;M</strong>.</span></li><li id="das_05_0017__li2566183817210"><span>Select the required instance and click <strong id="das_05_0017__b188816241577">Details</strong> to go to the Intelligent O&amp;M overview page.</span></li><li id="das_05_0017__li581367183111"><span>Choose <strong id="das_05_0017__b112790263718">SQL</strong> &gt; <strong id="das_05_0017__b1628020269710">Slow Query Logs</strong> to view the slow query log trend of the instance.</span></li><li id="das_05_0017__li1330410173545"><span>Specify a time range or select <strong id="das_05_0017__b36864462337">Last 1 hour</strong>, <strong id="das_05_0017__b106871546183314">Last 6 hours</strong>, or <strong id="das_05_0017__b4687134673312">Last 1 day</strong> to view the corresponding slow query logs, CPU usage, and archived slow query logs.</span></li><li id="das_05_0017__li1276813215449"><span>Click <span class="uicontrol" id="das_05_0017__uicontrol1624501913711"><b>Enable DAS Slow Query Log</b></span>. In the displayed dialog box, read and agree to the security agreement, and click <span class="uicontrol" id="das_05_0017__uicontrol2024610198373"><b>OK</b></span>.</span></li><li id="das_05_0017__li1630518911201"><span>At the lower part of the <strong id="das_05_0017__b3195184319371">Log Trends</strong> tab page, view statistics and details of slow query logs.</span><p><ul id="das_05_0017__ul12453101415258"><li id="das_05_0017__li19355165842518">Query and view slow query logs by database name.</li><li id="das_05_0017__li64535148251">Click <span class="uicontrol" id="das_05_0017__uicontrol1017581712382"><b>Export</b></span> to export the slow query logs.</li><li id="das_05_0017__li16453114172519">Click <span class="uicontrol" id="das_05_0017__uicontrol2415142310385"><b>Export History</b></span> to view the export history of slow query logs.</li></ul>
+</p></li><li id="das_05_0017__li2416118517"><span>In the slow query log list, locate the log that you want to view and click <span class="uicontrol" id="das_05_0017__uicontrol1191934133810"><b>Download</b></span> to download log data.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_05_0028.html">SQL</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_05_0025.html b/docs/das/umn/das_05_0025.html
new file mode 100644
index 00000000..d9af497c
--- /dev/null
+++ b/docs/das/umn/das_05_0025.html
@@ -0,0 +1,12 @@
+<a name="das_05_0025"></a><a name="das_05_0025"></a>
+
+<h1 class="topictitle1">Function Overview</h1>
+<div id="body0000001122879692"><div class="section" id="das_05_0025__section1952710375112"><h4 class="sectiontitle">Procedure</h4><ol id="das_05_0025__ol115581422111117"><li id="das_05_0025__li12558182271112"><span>On the <strong id="das_05_0025__b68317213555">Overview</strong> page, click <span class="uicontrol" id="das_05_0025__uicontrol11848744194719"><b>Go to Intelligent O&amp;M</b></span> to go to the instance overview page. </span></li><li id="das_05_0025__li17554141581215"><span>In the <strong id="das_05_0025__b31920531272">Instance Overview</strong> area, click <strong id="das_05_0025__b1520175317710">Set Displayed Metrics</strong> to specify the performance metrics to display.</span></li><li id="das_05_0025__li7103848103018"><span>After specifying the metrics, click <strong id="das_05_0025__b177914293118">OK</strong>.</span></li><li id="das_05_0025__li16698164822317"><span>Click <strong id="das_05_0025__b17537143721118">Details</strong> of an instance to go to the Intelligent O&amp;M details page.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_05_0096.html">GaussDB(for MySQL) DB Instances</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_05_0026.html b/docs/das/umn/das_05_0026.html
new file mode 100644
index 00000000..9c7e6601
--- /dev/null
+++ b/docs/das/umn/das_05_0026.html
@@ -0,0 +1,23 @@
+<a name="das_05_0026"></a><a name="das_05_0026"></a>
+
+<h1 class="topictitle1">Performance</h1>
+<div id="body0000001123039526"></div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_05_0034.html">Real-Time Diagnosis</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_05_0035.html">Real-Time Performance</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_05_0036.html">Performance History</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_05_0037.html">Performance Trends Comparisons</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_05_0038.html">Custom Graphs</a></strong><br>
+</li>
+</ul>
+
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_05_0096.html">GaussDB(for MySQL) DB Instances</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_05_0027.html b/docs/das/umn/das_05_0027.html
new file mode 100644
index 00000000..68af2097
--- /dev/null
+++ b/docs/das/umn/das_05_0027.html
@@ -0,0 +1,17 @@
+<a name="das_05_0027"></a><a name="das_05_0027"></a>
+
+<h1 class="topictitle1">Sessions</h1>
+<div id="body0000001169599379"></div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_05_0011.html">Real-Time Sessions</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_05_0016.html">Emergency Channel</a></strong><br>
+</li>
+</ul>
+
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_05_0096.html">GaussDB(for MySQL) DB Instances</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_05_0028.html b/docs/das/umn/das_05_0028.html
new file mode 100644
index 00000000..b1f7b47c
--- /dev/null
+++ b/docs/das/umn/das_05_0028.html
@@ -0,0 +1,19 @@
+<a name="das_05_0028"></a><a name="das_05_0028"></a>
+
+<h1 class="topictitle1">SQL</h1>
+<div id="body0000001169479493"></div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_05_0017.html">Slow Query Logs</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_05_0015.html">SQL Explorer</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_05_0100.html">SQL Diagnosis</a></strong><br>
+</li>
+</ul>
+
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_05_0096.html">GaussDB(for MySQL) DB Instances</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_05_0029.html b/docs/das/umn/das_05_0029.html
new file mode 100644
index 00000000..3018beea
--- /dev/null
+++ b/docs/das/umn/das_05_0029.html
@@ -0,0 +1,17 @@
+<a name="das_05_0029"></a><a name="das_05_0029"></a>
+
+<h1 class="topictitle1">Space</h1>
+<div id="body0000001123039572"></div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_05_0039.html">Instance Space</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_05_0040.html">Database Space</a></strong><br>
+</li>
+</ul>
+
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_05_0096.html">GaussDB(for MySQL) DB Instances</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_05_0030.html b/docs/das/umn/das_05_0030.html
new file mode 100644
index 00000000..aedd82bf
--- /dev/null
+++ b/docs/das/umn/das_05_0030.html
@@ -0,0 +1,14 @@
+<a name="das_05_0030"></a><a name="das_05_0030"></a>
+
+<h1 class="topictitle1">Binlog</h1>
+<div id="body0000001122879742"><div class="note" id="das_05_0030__note15314132134120"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="das_05_0030__p144620612510">GaussDB(for MySQL) DB instances are currently not supported.</p>
+</div></div>
+<div class="section" id="das_05_0030__section8332163932915"><h4 class="sectiontitle">Procedure</h4><ol id="das_05_0030__ol1314114919495"><li id="das_05_0030__li85211981017"><span>Log in to the DAS console using your username and password.</span></li><li id="das_05_0030__li2145113319114"><span>On the <strong id="das_05_0030__b1563321784913">Overview</strong> page, click <strong id="das_05_0030__b14634917184917">Go to Intelligent O&amp;M</strong>.</span></li><li id="das_05_0030__li2566183817210"><span>Select the required instance and click <strong id="das_05_0030__b81078192493">Details</strong> to go to the Intelligent O&amp;M overview page.</span></li><li id="das_05_0030__li82054792914"><span>Choose <strong id="das_05_0030__b1810118111615">binlog</strong> &gt; <strong id="das_05_0030__b1180652084913">Latest Logs</strong>, locate the target log, and click <strong id="das_05_0030__b132411021171719">Parse</strong> in the <strong id="das_05_0030__b17807142019495">Operation</strong> column. The system parses the file automatically and displays the file information on the <strong id="das_05_0030__b379711336184">Overview</strong> page.</span></li><li id="das_05_0030__li3194512182316"><span>Click <strong id="das_05_0030__b15831115210171">Archived Logs</strong> and specify a time range to view log files archived during this period.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_05_0096.html">GaussDB(for MySQL) DB Instances</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_05_0031.html b/docs/das/umn/das_05_0031.html
new file mode 100644
index 00000000..eae0b790
--- /dev/null
+++ b/docs/das/umn/das_05_0031.html
@@ -0,0 +1,14 @@
+<a name="das_05_0031"></a><a name="das_05_0031"></a>
+
+<h1 class="topictitle1">Parameters</h1>
+<div id="body0000001123039574"><div class="note" id="das_05_0031__note15314132134120"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="das_05_0031__p144620612510">GaussDB(for MySQL) DB instances are currently not supported.</p>
+</div></div>
+<div class="section" id="das_05_0031__section72051939185412"><h4 class="sectiontitle">Memory Parameter Setting Diagnosis</h4><ol id="das_05_0031__ol1314114919495"><li id="das_05_0031__li85211981017"><span>Log in to the DAS console using your username and password.</span></li><li id="das_05_0031__li2145113319114"><span>On the <strong id="das_05_0031__b794153919212">Overview</strong> page, click <strong id="das_05_0031__b1094213912213">Go to Intelligent O&amp;M</strong>.</span></li><li id="das_05_0031__li2566183817210"><span>Select the required instance and click <strong id="das_05_0031__b53101411214">Details</strong> to go to the Intelligent O&amp;M overview page.</span></li><li id="das_05_0031__li339010195229"><span>Choose <strong id="das_05_0031__b6292431218">Parameters</strong> &gt; <strong id="das_05_0031__b2307438216">Memory Parameter Setting Diagnosis</strong>.</span></li><li id="das_05_0031__li17289921202"><span>On the displayed page, adjust parameter settings to estimate the maximum available memory for your MySQL DB instances.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_05_0096.html">GaussDB(for MySQL) DB Instances</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_05_0032.html b/docs/das/umn/das_05_0032.html
new file mode 100644
index 00000000..ff78d3f3
--- /dev/null
+++ b/docs/das/umn/das_05_0032.html
@@ -0,0 +1,16 @@
+<a name="das_05_0032"></a><a name="das_05_0032"></a>
+
+<h1 class="topictitle1">Daily Reports</h1>
+<div id="body0000001169479535"><div class="section" id="das_05_0032__section16167144964310"><h4 class="sectiontitle">Procedure</h4><ol id="das_05_0032__ol1314114919495"><li id="das_05_0032__li85211981017"><span>Log in to the DAS console using your username and password.</span></li><li id="das_05_0032__li2145113319114"><span>On the <strong id="das_05_0032__b16749144613307">Overview</strong> page, click <strong id="das_05_0032__b774916469301">Go to Intelligent O&amp;M</strong>.</span></li><li id="das_05_0032__li2566183817210"><span>Select the required instance and click <strong id="das_05_0032__b1193924783013">Details</strong> to go to the Intelligent O&amp;M overview page.</span></li><li id="das_05_0032__li3149135017264"><span>On the displayed page, choose <strong id="das_05_0032__b543384918305">Daily Reports</strong> &gt; <strong id="das_05_0032__b2043494910304">Diagnosis Overview</strong> and click <strong id="das_05_0032__b143454953020">Diagnose</strong> to diagnose the current instance.</span><p><p id="das_05_0032__p1633115517269">You can also click <strong id="das_05_0032__b2259135917319">View History Report</strong> to view historical diagnosis reports.</p>
+</p></li><li id="das_05_0032__li1099915172502"><span>Click <strong id="das_05_0032__b820222193311">Analysis Dimensions</strong> to view report details.</span></li><li id="das_05_0032__li20688183754912"><span>Click <strong id="das_05_0032__b173911415439">Specified Analysis</strong> to view report details, including slow SQL analysis, full SQL analysis, SQL type analysis, performance and disk analysis, performance trend graphs, tablespace analysis, and event analysis.</span><p><div class="note" id="das_05_0032__note7518183915503"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="das_05_0032__ul6698195651013"><li id="das_05_0032__li116981656201017">Click <strong id="das_05_0032__b1858592574616">Download</strong> to the upper right corner to download the diagnosis report to your local PC.</li><li id="das_05_0032__li0586115512564">Click <strong id="das_05_0032__b071084925917">Subscribe</strong> and enter your email to have the diagnosis report emailed to you. Before subscribing to diagnosis reports, note that:<ul id="das_05_0032__ul151342418589"><li id="das_05_0032__li1968621385817">The subscription function depends on the Simple Message Notification (SMN) service.</li><li id="das_05_0032__li14131846919">After you enable subscription, diagnosis reports will be emailed to you when the diagnosis result is abnormal.</li></ul>
+</li></ul>
+</div></div>
+</p></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_05_0096.html">GaussDB(for MySQL) DB Instances</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_05_0034.html b/docs/das/umn/das_05_0034.html
new file mode 100644
index 00000000..298da194
--- /dev/null
+++ b/docs/das/umn/das_05_0034.html
@@ -0,0 +1,12 @@
+<a name="das_05_0034"></a><a name="das_05_0034"></a>
+
+<h1 class="topictitle1">Real-Time Diagnosis</h1>
+<div id="body0000001169479489"><div class="section" id="das_05_0034__section31574113514"><h4 class="sectiontitle">Procedure</h4><ol id="das_05_0034__ol11647152514128"><li id="das_05_0034__li85211981017"><span>Log in to the DAS console using your username and password.</span></li><li id="das_05_0034__li2145113319114"><span>On the <strong id="das_05_0034__b2372155144414">Overview</strong> page, click <strong id="das_05_0034__b1737335594414">Go to Intelligent O&amp;M</strong>.</span></li><li id="das_05_0034__li2566183817210"><span>Select the required instance and click <strong id="das_05_0034__b43224598447">Details</strong> to go to the Intelligent O&amp;M overview page.</span></li><li id="das_05_0034__li176471925101217"><span>Click the <strong id="das_05_0034__b5864183674117">Performance</strong> tab.</span></li><li id="das_05_0034__li171582891219"><span>Select the <strong id="das_05_0034__b435761894613">Real-Time Diagnosis</strong> tab, view the resource usages, real-time performance, and slow query logs of the current instance.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_05_0026.html">Performance</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_05_0035.html b/docs/das/umn/das_05_0035.html
new file mode 100644
index 00000000..ec4a0f0f
--- /dev/null
+++ b/docs/das/umn/das_05_0035.html
@@ -0,0 +1,12 @@
+<a name="das_05_0035"></a><a name="das_05_0035"></a>
+
+<h1 class="topictitle1">Real-Time Performance</h1>
+<div id="body0000001169599377"><div class="section" id="das_05_0035__section1994220311514"><h4 class="sectiontitle">Procedure</h4><ol id="das_05_0035__ol76771041192310"><li id="das_05_0035__li85211981017"><span>Log in to the DAS console using your username and password.</span></li><li id="das_05_0035__li2145113319114"><span>On the <strong id="das_05_0035__b1930942018474">Overview</strong> page, click <strong id="das_05_0035__b231022014711">Go to Intelligent O&amp;M</strong>.</span></li><li id="das_05_0035__li2566183817210"><span>Select the required instance and click <strong id="das_05_0035__b9959132117479">Details</strong> to go to the Intelligent O&amp;M overview page.</span></li><li id="das_05_0035__li237313220277"><span>Choose <strong id="das_05_0035__b102245515267">Performance</strong> &gt; <strong id="das_05_0035__b322475114266">Real-Time Performance</strong> to view server performance.</span></li><li id="das_05_0035__li367824119232"><span>Click <strong id="das_05_0035__b327046194917">Pause</strong> and change the time interval from 1 to 10 seconds. You can also click <strong id="das_05_0035__b2988134025212">Set Metric</strong> to specify required metrics based on service requirements.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_05_0026.html">Performance</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_05_0036.html b/docs/das/umn/das_05_0036.html
new file mode 100644
index 00000000..0fa18b09
--- /dev/null
+++ b/docs/das/umn/das_05_0036.html
@@ -0,0 +1,13 @@
+<a name="das_05_0036"></a><a name="das_05_0036"></a>
+
+<h1 class="topictitle1">Performance History</h1>
+<div id="body0000001122879694"><div class="section" id="das_05_0036__section2628165220510"><h4 class="sectiontitle">Procedure</h4><ol id="das_05_0036__ol126725712427"><li id="das_05_0036__li85211981017"><span>Log in to the DAS console using your username and password.</span></li><li id="das_05_0036__li2145113319114"><span>On the <strong id="das_05_0036__b654023133216">Overview</strong> page, click <strong id="das_05_0036__b954118312326">Go to Intelligent O&amp;M</strong>.</span></li><li id="das_05_0036__li2566183817210"><span>Select the required instance and click <strong id="das_05_0036__b353558320">Details</strong> to go to the Intelligent O&amp;M overview page.</span></li><li id="das_05_0036__li10309103144312"><span>Choose <strong id="das_05_0036__b1559931113312">Performance</strong> &gt; <strong id="das_05_0036__b10720137143219">Performance History</strong> to view performance history of instance metrics.</span></li><li id="das_05_0036__li79921117317"><span>Click <span class="uicontrol" id="das_05_0036__uicontrol16528102614327"><b>Select Metric</b></span> to specify metrics and click <span class="uicontrol" id="das_05_0036__uicontrol4528426173220"><b>OK</b></span>.</span><p><p id="das_05_0036__p19226819112614">Set a time range in the upper right corner so that you can view the DB instance performance during this period. You can also click <strong id="das_05_0036__b16969447123511">Detail</strong> on each metric performance graph to set the time range.</p>
+</p></li><li id="das_05_0036__li1779940104015"><span>Enable <span class="uicontrol" id="das_05_0036__uicontrol130915012351"><b>Interactive Graph</b></span> to view the performance of other metrics at the same time.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_05_0026.html">Performance</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_05_0037.html b/docs/das/umn/das_05_0037.html
new file mode 100644
index 00000000..20760ac4
--- /dev/null
+++ b/docs/das/umn/das_05_0037.html
@@ -0,0 +1,12 @@
+<a name="das_05_0037"></a><a name="das_05_0037"></a>
+
+<h1 class="topictitle1">Performance Trends Comparisons</h1>
+<div id="body0000001123039528"><div class="section" id="das_05_0037__section1582324314564"><h4 class="sectiontitle">Procedure</h4><ol id="das_05_0037__ol93493469568"><li id="das_05_0037__li85211981017"><span>Log in to the DAS console using your username and password.</span></li><li id="das_05_0037__li2145113319114"><span>On the <strong id="das_05_0037__b51808513619">Overview</strong> page, click <strong id="das_05_0037__b318020513367">Go to Intelligent O&amp;M</strong>.</span></li><li id="das_05_0037__li2566183817210"><span>Select the required instance and click <strong id="das_05_0037__b1253613613366">Details</strong> to go to the Intelligent O&amp;M overview page.</span></li><li id="das_05_0037__li10349946195620"><span>Choose <strong id="das_05_0037__b159668138287">Performance</strong> &gt; <strong id="das_05_0037__b12731149183619">Performance Trends Comparisons</strong>.</span></li><li id="das_05_0037__li203498460569"><span>Click <span class="uicontrol" id="das_05_0037__uicontrol7731152610373"><b>Select Metric</b></span> to specify metrics and click <span class="uicontrol" id="das_05_0037__uicontrol7731142693717"><b>OK</b></span>.</span></li><li id="das_05_0037__li1535014615562"><span>Specify date 1 and date 2 and a time range to view performance history of the selected metrics in the same time period on different dates. You can also click <strong id="das_05_0037__b29683205410">Detail</strong> on each metric performance graph to set the date and time range.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_05_0026.html">Performance</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_05_0038.html b/docs/das/umn/das_05_0038.html
new file mode 100644
index 00000000..4d0c0d11
--- /dev/null
+++ b/docs/das/umn/das_05_0038.html
@@ -0,0 +1,12 @@
+<a name="das_05_0038"></a><a name="das_05_0038"></a>
+
+<h1 class="topictitle1">Custom Graphs</h1>
+<div id="body0000001169479491"><div class="section" id="das_05_0038__section1582324314564"><h4 class="sectiontitle">Procedure</h4><ol id="das_05_0038__ol93493469568"><li id="das_05_0038__li85211981017"><span>Log in to the DAS console using your username and password.</span></li><li id="das_05_0038__li2145113319114"><span>On the <strong id="das_05_0038__b8216341124214">Overview</strong> page, click <strong id="das_05_0038__b421710411422">Go to Intelligent O&amp;M</strong>.</span></li><li id="das_05_0038__li2566183817210"><span>Select the required instance and click <strong id="das_05_0038__b17272104319420">Details</strong> to go to the Intelligent O&amp;M overview page.</span></li><li id="das_05_0038__li10349946195620"><span>Choose <strong id="das_05_0038__b048325914424">Performance</strong> &gt; <strong id="das_05_0038__b1569494474214">Custom Graphs</strong>.</span></li><li id="das_05_0038__li203498460569"><span>Click <strong id="das_05_0038__b1950913126436">Create Graph</strong>. On the displayed page, select the required metrics in the <strong id="das_05_0038__b14510412174315">Available Metrics</strong> area and click <span class="uicontrol" id="das_05_0038__uicontrol1951171284318"><b>OK</b></span>.</span></li><li id="das_05_0038__li1535014615562"><span>For the displayed graph, specify a time range in the upper right corner to view performance history of the selected metrics. You can also click <strong id="das_05_0038__b1843734219529">Modify</strong> in the upper right corner of the graph to reset the graph information.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_05_0026.html">Performance</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_05_0039.html b/docs/das/umn/das_05_0039.html
new file mode 100644
index 00000000..f2e39662
--- /dev/null
+++ b/docs/das/umn/das_05_0039.html
@@ -0,0 +1,12 @@
+<a name="das_05_0039"></a><a name="das_05_0039"></a>
+
+<h1 class="topictitle1">Instance Space</h1>
+<div id="body0000001169479533"><div class="section" id="das_05_0039__section1582324314564"><h4 class="sectiontitle">Procedure</h4><ol id="das_05_0039__ol93493469568"><li id="das_05_0039__li85211981017"><span>Log in to the DAS console using your username and password.</span></li><li id="das_05_0039__li2145113319114"><span>On the <strong id="das_05_0039__b177491348101017">Overview</strong> page, click <strong id="das_05_0039__b97509481104">Go to Intelligent O&amp;M</strong>.</span></li><li id="das_05_0039__li2566183817210"><span>Select the required instance and click <strong id="das_05_0039__b994816491105">Details</strong> to go to the Intelligent O&amp;M overview page.</span></li><li id="das_05_0039__li10349946195620"><span>Choose <strong id="das_05_0039__b4272224193016">Space</strong> &gt; <strong id="das_05_0039__b1399692603020">Instance Space</strong>.</span></li><li id="das_05_0039__li1535014615562"><span>Set a time range to view the space usage trend.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_05_0029.html">Space</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_05_0040.html b/docs/das/umn/das_05_0040.html
new file mode 100644
index 00000000..bd3048b6
--- /dev/null
+++ b/docs/das/umn/das_05_0040.html
@@ -0,0 +1,12 @@
+<a name="das_05_0040"></a><a name="das_05_0040"></a>
+
+<h1 class="topictitle1">Database Space</h1>
+<div id="body0000001169599421"><div class="section" id="das_05_0040__section1479062101110"><h4 class="sectiontitle">Procedure</h4><ol id="das_05_0040__ol145983882214"><li id="das_05_0040__li85211981017"><span>Log in to the DAS console using your username and password.</span></li><li id="das_05_0040__li2145113319114"><span>On the <strong id="das_05_0040__b132351432111910">Overview</strong> page, click <strong id="das_05_0040__b823643271912">Go to Intelligent O&amp;M</strong>.</span></li><li id="das_05_0040__li2566183817210"><span>Select the required instance and click <strong id="das_05_0040__b129233351919">Details</strong> to go to the Intelligent O&amp;M overview page.</span></li><li id="das_05_0040__li108341492177"><span>Choose <strong id="das_05_0040__b194351552103010">Space</strong> &gt;<strong id="das_05_0040__b7136105820304"> Database Space</strong> to view space of databases in the instance.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_05_0029.html">Space</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_05_0041.html b/docs/das/umn/das_05_0041.html
new file mode 100644
index 00000000..ae52db01
--- /dev/null
+++ b/docs/das/umn/das_05_0041.html
@@ -0,0 +1,19 @@
+<a name="das_05_0041"></a><a name="das_05_0041"></a>
+
+<h1 class="topictitle1">Locks and Transactions</h1>
+<div id="body0000001122879744"></div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_05_0042.html">InnoDB Locks</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_05_0043.html">Metadata Locks</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_05_0044.html">Historical Transactions</a></strong><br>
+</li>
+</ul>
+
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_05_0096.html">GaussDB(for MySQL) DB Instances</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_05_0042.html b/docs/das/umn/das_05_0042.html
new file mode 100644
index 00000000..05a63fde
--- /dev/null
+++ b/docs/das/umn/das_05_0042.html
@@ -0,0 +1,16 @@
+<a name="das_05_0042"></a><a name="das_05_0042"></a>
+
+<h1 class="topictitle1">InnoDB Locks</h1>
+<div id="body0000001123039576"><div class="section" id="das_05_0042__section171085203429"><h4 class="sectiontitle">Overview</h4><div class="p" id="das_05_0042__p1282619442714">With this function, the system displays the lock waits generated before the DML operations on the database in real time. With these waits, you can quickly locate the session waits and blocks that happened when multiple sessions update the same piece of data at the same time, and can quickly terminate the source session that holds locks to restore blocked operations.<div class="note" id="das_05_0042__note15314132134120"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="das_05_0042__p1665174918266">This feature does not support DDL locks. You view and analyze them on the <strong id="das_05_0042__b99681512299">Metadata Locks</strong> page.</p>
+</div></div>
+</div>
+</div>
+<div class="section" id="das_05_0042__section1260112713452"><h4 class="sectiontitle">Procedure</h4><ol id="das_05_0042__ol184041614194411"><li id="das_05_0042__li85211981017"><span>Log in to the DAS console using your username and password.</span></li><li id="das_05_0042__li2145113319114"><span>On the <strong id="das_05_0042__b132521681516">Overview</strong> page, click <strong id="das_05_0042__b1725411611150">Go to Intelligent O&amp;M</strong>.</span></li><li id="das_05_0042__li2566183817210"><span>Select the required instance and click <strong id="das_05_0042__b739617815158">Details</strong> to go to the Intelligent O&amp;M overview page.</span></li><li id="das_05_0042__li5133192714446"><span>Choose <strong id="das_05_0042__b19534171018153">Locks and Transactions</strong> &gt; <strong id="das_05_0042__b17535101041510">InnoDB Locks</strong> to check whether there are lock waits.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_05_0041.html">Locks and Transactions</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_05_0043.html b/docs/das/umn/das_05_0043.html
new file mode 100644
index 00000000..b900d9b5
--- /dev/null
+++ b/docs/das/umn/das_05_0043.html
@@ -0,0 +1,16 @@
+<a name="das_05_0043"></a><a name="das_05_0043"></a>
+
+<h1 class="topictitle1">Metadata Locks</h1>
+<div id="body0000001169479537"><div class="section" id="das_05_0043__section171085203429"><h4 class="sectiontitle">Overview</h4><ul id="das_05_0043__ul196775419461"><li id="das_05_0043__li15447153803212">Metadata locks (MDLs) are used to ensure consistency between DDL and DML operations. Usually, DDL operations require MDL write locks. Once a DML lock occurs, it can have a significant impact on your database because all subsequent operations (SELECT, DML, and DDL operations) on the target table will be blocked, causing a backlog of connections.</li><li id="das_05_0043__li19967254184617">The system displays the database MDL locks in real time. With these locks, you can quickly locate MDL problems and terminate the sessions holding MDL locks, so that blocked operations can be restored.<div class="note" id="das_05_0043__note15314132134120"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="das_05_0043__ul15381654162711"><li id="das_05_0043__li13967155412469">This feature does not support DML locks. You can view and analyze them on the <strong id="das_05_0043__b796123811617">InnoDB Locks</strong> page.</li><li id="das_05_0043__li149671354174613">Currently, this feature is available for only MySQL 5.6 and 5.7.</li><li id="das_05_0043__li4888165712276">A maximum of 1,000 records can be displayed.</li><li id="das_05_0043__li9210171511415">GaussDB(for MySQL) DB instances are currently not supported.</li></ul>
+</div></div>
+</li></ul>
+</div>
+<div class="section" id="das_05_0043__section1260112713452"><h4 class="sectiontitle">Procedure</h4><ol id="das_05_0043__ol184041614194411"><li id="das_05_0043__li85211981017"><span>Log in to the DAS console using your username and password.</span></li><li id="das_05_0043__li2145113319114"><span>On the <strong id="das_05_0043__b7111332170">Overview</strong> page, click <strong id="das_05_0043__b131121638174">Go to Intelligent O&amp;M</strong>.</span></li><li id="das_05_0043__li2566183817210"><span>Select the required instance and click <strong id="das_05_0043__b337044111718">Details</strong> to go to the Intelligent O&amp;M overview page.</span></li><li id="das_05_0043__li5133192714446"><span>Choose <strong id="das_05_0043__b14992125161714">Locks and Transactions</strong> &gt; <strong id="das_05_0043__b189931956176">Metadata Locks</strong>.</span></li><li id="das_05_0043__li111247282503"><span>Select a lock status and type, and enter a database name, table name, and session ID as needed. Then, click <strong id="das_05_0043__b21431210141719">Query</strong> to query required sessions.</span></li><li id="das_05_0043__li15884849483"><span>In the query result, check whether there are sessions that hold MDL locks. If so, select the sessions and click <strong id="das_05_0043__b545170131816">Kill Session</strong>.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_05_0041.html">Locks and Transactions</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_05_0044.html b/docs/das/umn/das_05_0044.html
new file mode 100644
index 00000000..1013f1f5
--- /dev/null
+++ b/docs/das/umn/das_05_0044.html
@@ -0,0 +1,16 @@
+<a name="das_05_0044"></a><a name="das_05_0044"></a>
+
+<h1 class="topictitle1">Historical Transactions</h1>
+<div id="body0000001169599425"><div class="section" id="das_05_0044__section171085203429"><h4 class="sectiontitle">Overview</h4><p id="das_05_0044__p173721117154717">This feature is used to analyze and discover big transactions and the transactions that are not committed for a long time in the database.</p>
+<div class="note" id="das_05_0044__note15314132134120"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="das_05_0044__p144620612510">GaussDB(for MySQL) DB instances are currently not supported.</p>
+</div></div>
+</div>
+<div class="section" id="das_05_0044__section1260112713452"><h4 class="sectiontitle">Procedure</h4><ol id="das_05_0044__ol184041614194411"><li id="das_05_0044__li85211981017"><span>Log in to the DAS console using your username and password.</span></li><li id="das_05_0044__li2145113319114"><span>On the <strong id="das_05_0044__b11210453191820">Overview</strong> page, click <strong id="das_05_0044__b15211195320189">Go to Intelligent O&amp;M</strong>.</span></li><li id="das_05_0044__li2566183817210"><span>Select the required instance and click <strong id="das_05_0044__b194681154121816">Details</strong> to go to the Intelligent O&amp;M overview page.</span></li><li id="das_05_0044__li5133192714446"><span>Choose <strong id="das_05_0044__b987213552189">Locks and Transactions</strong> &gt; <strong id="das_05_0044__b5873125517183">Historical Transactions</strong>.</span></li><li id="das_05_0044__li111247282503"><span>Select a start date and end date and refresh the page.</span></li><li id="das_05_0044__li1247581010557"><span>Analyze big transactions and those that are not committed for a long time in the historical transaction list.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_05_0041.html">Locks and Transactions</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_05_0096.html b/docs/das/umn/das_05_0096.html
new file mode 100644
index 00000000..f8f22995
--- /dev/null
+++ b/docs/das/umn/das_05_0096.html
@@ -0,0 +1,31 @@
+<a name="das_05_0096"></a><a name="das_05_0096"></a>
+
+<h1 class="topictitle1">GaussDB(for MySQL) DB Instances</h1>
+<div id="body0000001169599375"></div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_05_0025.html">Function Overview</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_05_0026.html">Performance</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_05_0027.html">Sessions</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_05_0028.html">SQL</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_05_0029.html">Space</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_05_0030.html">Binlog</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_05_0031.html">Parameters</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_05_0032.html">Daily Reports</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_05_0041.html">Locks and Transactions</a></strong><br>
+</li>
+</ul>
+
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_18_0097.html">Intelligent O&amp;M</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_05_0100.html b/docs/das/umn/das_05_0100.html
new file mode 100644
index 00000000..8ec42ef9
--- /dev/null
+++ b/docs/das/umn/das_05_0100.html
@@ -0,0 +1,15 @@
+<a name="das_05_0100"></a><a name="das_05_0100"></a>
+
+<h1 class="topictitle1">SQL Diagnosis</h1>
+<div id="body0000001123039532"><div class="section" id="das_05_0100__section270110297283"><h4 class="sectiontitle">Procedure</h4><ol id="das_05_0100__ol1314114919495"><li id="das_05_0100__li85211981017"><span>Log in to the DAS console using your username and password.</span></li><li id="das_05_0100__li2145113319114"><span>On the <strong id="das_05_0100__b1292664685013">Overview</strong> page, click <strong id="das_05_0100__b4927104655011">Go to Intelligent O&amp;M</strong>.</span></li><li id="das_05_0100__li2566183817210"><span>Select the required instance and click <strong id="das_05_0100__b14636114895011">Details</strong> to go to the Intelligent O&amp;M overview page.</span></li><li id="das_05_0100__li581367183111"><span>Choose <strong id="das_05_0100__b17874185005016">SQL</strong> &gt; <strong id="das_05_0100__b78741350195012">SQL Diagnosis</strong>. On the displayed page, select the required database, enter the SQL statements to be diagnosed, and click <strong id="das_05_0100__b1793355535011">Diagnose</strong>. The diagnosis result page is displayed.</span></li><li id="das_05_0100__li138551321515"><span>On the <strong id="das_05_0100__b1563652145912">SQL Diagnosis</strong> page, enter SQL statements and click <span class="uicontrol" id="das_05_0100__uicontrol975816309527"><b>Execute</b></span>. The system automatically executes the statements and displays a result set.</span></li><li id="das_05_0100__li187234371539"><span>On the <strong id="das_05_0100__b1144681715587">SQL Diagnosis</strong> page, enter multiple SQL statements and click <span class="uicontrol" id="das_05_0100__uicontrol444681775810"><b>Format</b></span>. The system automatically formats all SQL statements.</span></li><li id="das_05_0100__li194134417546"><span>On the <strong id="das_05_0100__b18276175075818">SQL Diagnosis</strong> page, enter multiple SQL statements and click <span class="uicontrol" id="das_05_0100__uicontrol827775085812"><b>View Execution Plan</b></span>. The system automatically executes all SQL statements in sequence.</span><p><div class="note" id="das_05_0100__note12509194118211"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="das_05_0100__ul1250974118216"><li id="das_05_0100__li1750911412219">Only MySQL InnoDB is supported.</li><li id="das_05_0100__li7509204119213">Only the diagnosis of SELECT, INSERT, UPDATE, and DELETE statements is supported. An INSERT statement must contain a SELECT clause.</li><li id="das_05_0100__li550994119214">SQL statements for querying system databases information_schema, test, and mysql are not supported.</li><li id="das_05_0100__li19509041929">SQL statements that use views are not supported.</li><li id="das_05_0100__li14803142143520">The SQL diagnosis function obtains the table structure and data distribution information (non-original). The obtained data is only for logic diagnosis, but not stored on the DAS server.</li><li id="das_05_0100__li126373133519">Obtaining table structure and data distribution information may add additional loads to the DB instance, but has little impact on its performance.</li><li id="das_05_0100__li10149193553512">Only the SQL diagnosis history is stored on the DAS server. You can delete it from the server permanently.</li><li id="das_05_0100__li11462123151415">SQL formatting improves the readability of SQL statements. Formatting SQL statements enables statements to be displayed in line break mode, but does not change their logic and semantics.<p id="das_05_0100__p9241133211126"><a name="das_05_0100__li11462123151415"></a><a name="li11462123151415"></a>The formatting takes effect for all the SQL statements in the SQL window. You cannot format only the selected statement.</p>
+</li></ul>
+</div></div>
+</p></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_05_0028.html">SQL</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_08_0010.html b/docs/das/umn/das_08_0010.html
new file mode 100644
index 00000000..3b9731f9
--- /dev/null
+++ b/docs/das/umn/das_08_0010.html
@@ -0,0 +1,70 @@
+<a name="das_08_0010"></a><a name="das_08_0010"></a>
+
+<h1 class="topictitle1">Database Management</h1>
+<div id="body1560927580510"><div class="section" id="das_08_0010__section13753917124618"><h4 class="sectiontitle">Function Overview</h4><div class="fignone" id="das_08_0010__fig1415295112444"><span class="figcap"><b>Figure 1 </b>Database Management</span><br><span><img id="das_08_0010__image827213394441" src="en-us_image_0000001387791909.png"></span></div>
+
+<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="das_08_0010__table522203713010" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Functions</caption><thead align="left"><tr id="das_08_0010__row10221037183015"><th align="left" class="cellrowborder" valign="top" width="12.21%" id="mcps1.3.1.3.2.3.1.1"><p id="das_08_0010__p1221937123014">Function</p>
+</th>
+<th align="left" class="cellrowborder" valign="top" width="87.79%" id="mcps1.3.1.3.2.3.1.2"><p id="das_08_0010__p222203773018">Description</p>
+</th>
+</tr>
+</thead>
+<tbody><tr id="das_08_0010__row1722937133017"><td class="cellrowborder" valign="top" width="12.21%" headers="mcps1.3.1.3.2.3.1.1 "><p id="das_08_0010__p178772554911">Sidebar</p>
+</td>
+<td class="cellrowborder" valign="top" width="87.79%" headers="mcps1.3.1.3.2.3.1.2 "><p id="das_08_0010__p188283113175">Consists of six types of objects (tables, views, stored procedures, events, triggers, and functions).</p>
+</td>
+</tr>
+<tr id="das_08_0010__row1122153733011"><td class="cellrowborder" valign="top" width="12.21%" headers="mcps1.3.1.3.2.3.1.1 "><p id="das_08_0010__p118712584916">Database information</p>
+</td>
+<td class="cellrowborder" valign="top" width="87.79%" headers="mcps1.3.1.3.2.3.1.2 "><p id="das_08_0010__p1788024122317">Displays the name, IP address, character set, SQL window, and data dictionary of the current database.</p>
+</td>
+</tr>
+<tr id="das_08_0010__row72223703018"><td class="cellrowborder" valign="top" width="12.21%" headers="mcps1.3.1.3.2.3.1.1 "><p id="das_08_0010__p28614255491">Metadata Collection</p>
+</td>
+<td class="cellrowborder" valign="top" width="87.79%" headers="mcps1.3.1.3.2.3.1.2 "><p id="das_08_0010__p3361103216519">Allows DAS to automatically collects only the data such as database names, table names, and field names in an instance (user data in your tables is not included).</p>
+<div class="note" id="das_08_0010__note146219515238"><span class="notetitle"> NOTE: </span><div class="notebody"><p id="das_08_0010__p93241982311">If there are too many tables, the system will not collect the metadata and display the table list to mitigate the impact on database performance.</p>
+</div></div>
+</td>
+</tr>
+<tr id="das_08_0010__row172313715307"><td class="cellrowborder" valign="top" width="12.21%" headers="mcps1.3.1.3.2.3.1.1 "><p id="das_08_0010__p10841925204913">SQL tuning</p>
+</td>
+<td class="cellrowborder" valign="top" width="87.79%" headers="mcps1.3.1.3.2.3.1.2 "><p id="das_08_0010__p635723225118">Diagnoses SQL statements and SQL files.</p>
+</td>
+</tr>
+<tr id="das_08_0010__row32333712304"><td class="cellrowborder" valign="top" width="12.21%" headers="mcps1.3.1.3.2.3.1.1 "><p id="das_08_0010__p283125144917">List details</p>
+</td>
+<td class="cellrowborder" valign="top" width="87.79%" headers="mcps1.3.1.3.2.3.1.2 "><p id="das_08_0010__p14347113216518">Displays the operation area for each type of object.</p>
+</td>
+</tr>
+</tbody>
+</table>
+</div>
+<div class="note" id="das_08_0010__note1566725010263"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="das_08_0010__p3754201754620">You can go to the <strong id="das_08_0010__b468932515239">Database Management</strong> page in either of the following ways:</p>
+<ul id="das_08_0010__ul875412173469"><li id="das_08_0010__li575461716463">Choose <strong id="das_08_0010__b17965727152320">Database Management</strong> on the top menu bar.</li><li id="das_08_0010__li206004431730">In the database list of the <strong id="das_08_0010__b347522919232">Home</strong> page, locate the target database and click <span class="uicontrol" id="das_08_0010__uicontrol194761529172312"><b>Manage</b></span> in the <strong id="das_08_0010__b9477229152320">Operation</strong> column.</li></ul>
+</div></div>
+</div>
+<div class="section" id="das_08_0010__section67271541124019"><h4 class="sectiontitle">Object List</h4><p id="das_08_0010__p1943681044415">You can manage tables, views, stored procedures, events, triggers, and functions of the MySQL DB instances. The main operations include creating, querying, and modifying objects.</p>
+<ul id="das_08_0010__ul1960420205392"><li id="das_08_0010__li1860452011398">For details on how to manage tables, see <a href="das_04_0008.html">Table Management</a>.</li><li id="das_08_0010__li15604162073910">For details on how to manage views, see <a href="das_04_0019.html">View Management</a>.</li><li id="das_08_0010__li7604122083910">For details on how to manage events, see <a href="das_04_0026.html">Event Management</a>.</li><li id="das_08_0010__li8605820123916">For details on how to manage stored procedures, see <a href="das_04_0030.html">Stored Procedure Management</a>.</li><li id="das_08_0010__li12605192018396">For details on how to manage functions, see <a href="das_04_0035.html">Function Management</a>.</li><li id="das_08_0010__li1960532063910">For details on how to manage triggers, see <a href="das_04_0051.html">Trigger Management</a>.</li></ul>
+</div>
+</div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_04_0008.html">Table Management</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_04_0019.html">View Management</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_04_0030.html">Stored Procedure Management</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_04_0026.html">Event Management</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_04_0051.html">Trigger Management</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_04_0035.html">Function Management</a></strong><br>
+</li>
+</ul>
+
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0001.html">MySQL DB Instance Management (Development Tool)</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_08_0011.html b/docs/das/umn/das_08_0011.html
new file mode 100644
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--- /dev/null
+++ b/docs/das/umn/das_08_0011.html
@@ -0,0 +1,12 @@
+<a name="das_08_0011"></a><a name="das_08_0011"></a>
+
+<h1 class="topictitle1">Dropping a Database</h1>
+<div id="body1560927580511"><div class="section" id="das_08_0011__section1443795211393"><h4 class="sectiontitle">Procedure</h4><ol id="das_08_0011__ol11700203645918"><li id="das_08_0011__li865994011591"><span>In the database list, locate the database you want to delete and choose <strong id="das_08_0011__b48519143812">More</strong> &gt; <strong id="das_08_0011__b11889210123810">Drop</strong> in the <strong id="das_08_0011__b133031614143820">Operation</strong> column.</span></li><li id="das_08_0011__li1837517571311"><span>In the displayed dialog box, click <span class="uicontrol" id="das_08_0011__uicontrol96491318163815"><b>Yes</b></span>.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0031.html">Homepage</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_08_0014.html b/docs/das/umn/das_08_0014.html
new file mode 100644
index 00000000..b06e3b9b
--- /dev/null
+++ b/docs/das/umn/das_08_0014.html
@@ -0,0 +1,46 @@
+<a name="das_08_0014"></a><a name="das_08_0014"></a>
+
+<h1 class="topictitle1">Overview</h1>
+<div id="body1565573243727"><div class="section" id="das_08_0014__section967714152911"><h4 class="sectiontitle">Logging In to DAS</h4><ol id="das_08_0014__ol1251491219247"><li id="das_08_0014__li2684163283620"><span>Obtain the login permission and log in to the DAS console.</span></li><li id="das_08_0014__li583012112535"><span>In the login list of Development Tool, choose <strong id="das_08_0014__b921917220398">RDS DB instances</strong> and <strong id="das_08_0014__b1227922193918">MySQL</strong> from the drop-down lists, locate the DB instance you want to log in to, and click <strong id="das_08_0014__b152292221392">Log In</strong> in the <strong id="das_08_0014__b223022217399">Operation</strong> column.</span><p><div class="fignone" id="das_08_0014__fig178904355317"><span class="figcap"><b>Figure 1 </b>Logging in to MySQL databases</span><br><span><img id="das_08_0014__image8891163533111" src="en-us_image_0000001337591424.png"></span></div>
+</p></li></ol>
+</div>
+<div class="section" id="das_08_0014__section42761717505"><h4 class="sectiontitle">Function Overview</h4><div class="fignone" id="das_08_0014__fig0361342335"><span class="figcap"><b>Figure 2 </b>MySQL management homepage</span><br><span><img id="das_08_0014__image1178334863211" src="en-us_image_0000001337431516.png"></span></div>
+
+<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="das_08_0014__table18242041834" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Functions</caption><thead align="left"><tr id="das_08_0014__row7247419319"><th align="left" class="cellrowborder" valign="top" width="29.599999999999998%" id="mcps1.3.2.3.2.3.1.1"><p id="das_08_0014__p15243411310">Function</p>
+</th>
+<th align="left" class="cellrowborder" valign="top" width="70.39999999999999%" id="mcps1.3.2.3.2.3.1.2"><p id="das_08_0014__p92484112317">Description</p>
+</th>
+</tr>
+</thead>
+<tbody><tr id="das_08_0014__row92474119318"><td class="cellrowborder" valign="top" width="29.599999999999998%" headers="mcps1.3.2.3.2.3.1.1 "><p id="das_08_0014__p22474113312">Top menu bar</p>
+</td>
+<td class="cellrowborder" valign="top" width="70.39999999999999%" headers="mcps1.3.2.3.2.3.1.2 "><ul id="das_08_0014__ul61101821441"><li id="das_08_0014__li16110132110420">SQL Operations</li><li id="das_08_0014__li181102218411">Database Management</li><li id="das_08_0014__li511015211446">Import and Export</li><li id="das_08_0014__li2110102117414">Structure Management</li><li id="das_08_0014__li14110521846">Data Scheme</li><li id="das_08_0014__li711010211045">Background Tasks</li><li id="das_08_0014__li207931134945">Intelligent O&amp;M</li><li id="das_08_0014__li20936648134617">Account Management</li></ul>
+</td>
+</tr>
+<tr id="das_08_0014__row3249411535"><td class="cellrowborder" valign="top" width="29.599999999999998%" headers="mcps1.3.2.3.2.3.1.1 "><p id="das_08_0014__p1525134110311">Account information and logout</p>
+</td>
+<td class="cellrowborder" valign="top" width="70.39999999999999%" headers="mcps1.3.2.3.2.3.1.2 "><p id="das_08_0014__p32714411319">Displays the current account information and a logout button.</p>
+</td>
+</tr>
+<tr id="das_08_0014__row02719410315"><td class="cellrowborder" valign="top" width="29.599999999999998%" headers="mcps1.3.2.3.2.3.1.1 "><p id="das_08_0014__p727144120315">DB instance information</p>
+</td>
+<td class="cellrowborder" valign="top" width="70.39999999999999%" headers="mcps1.3.2.3.2.3.1.2 "><p id="das_08_0014__p72713412310">Displays the current database information, such as the DB engine logo, DB instance name, and DB engine version.</p>
+</td>
+</tr>
+<tr id="das_08_0014__row172711411237"><td class="cellrowborder" valign="top" width="29.599999999999998%" headers="mcps1.3.2.3.2.3.1.1 "><p id="das_08_0014__p112713419310">Database list</p>
+</td>
+<td class="cellrowborder" valign="top" width="70.39999999999999%" headers="mcps1.3.2.3.2.3.1.2 "><p id="das_08_0014__p10271541232">Displays the databases of the current DB instance, including user databases and system databases.</p>
+<ul id="das_08_0014__ul15608125114508"><li id="das_08_0014__li106090512503">Allows you to search for a database by name.</li><li id="das_08_0014__li1460935116504">Allows you to create databases.</li></ul>
+</td>
+</tr>
+</tbody>
+</table>
+</div>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0031.html">Homepage</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_08_0016.html b/docs/das/umn/das_08_0016.html
new file mode 100644
index 00000000..159238d4
--- /dev/null
+++ b/docs/das/umn/das_08_0016.html
@@ -0,0 +1,15 @@
+<a name="das_08_0016"></a><a name="das_08_0016"></a>
+
+<h1 class="topictitle1">Data Dictionary</h1>
+<div id="body0000001083930008"><div class="section" id="das_08_0016__section139841422151014"><h4 class="sectiontitle">Prerequisites</h4><p id="das_08_0016__p12210182514105">The current database contains tables.</p>
+</div>
+<div class="section" id="das_08_0016__section1443795211393"><h4 class="sectiontitle">Procedure</h4><ol id="das_08_0016__ol11700203645918"><li id="das_08_0016__li865994011591"><span>In the database list, locate the target database and click <span class="uicontrol" id="das_08_0016__uicontrol19761405516"><b>Data Dictionary</b></span> in the <strong id="das_08_0016__b1898164013511">Operation</strong> column.</span></li><li id="das_08_0016__li164421928134120"><span>On the displayed page, view the content in <span class="uicontrol" id="das_08_0016__uicontrol1112916474413"><b>Tables</b></span> and <strong id="das_08_0016__b151911215557">List Table Schema</strong> of the current database.</span></li><li id="das_08_0016__li1672418216436"><span>Click <span class="uicontrol" id="das_08_0016__uicontrol167554620458"><b>Export in PDF</b></span> to download it to your local PC if needed.</span></li></ol>
+</div>
+<p id="das_08_0016__p8060118"></p>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_04_0031.html">Homepage</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_10_0001.html b/docs/das/umn/das_10_0001.html
new file mode 100644
index 00000000..74fb75c1
--- /dev/null
+++ b/docs/das/umn/das_10_0001.html
@@ -0,0 +1,19 @@
+<a name="das_10_0001"></a><a name="das_10_0001"></a>
+
+<h1 class="topictitle1">FAQs</h1>
+<div id="body1454311460276"></div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_10_0016.html">Product Consulting</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_20_0033.html">Connection Management (Development Tool)</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_10_0017.html">Usage</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_17_0041.html">Product Consulting</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_17_0042.html">Usage</a></strong><br>
+</li>
+</ul>
+</div>
+
diff --git a/docs/das/umn/das_10_0004.html b/docs/das/umn/das_10_0004.html
new file mode 100644
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--- /dev/null
+++ b/docs/das/umn/das_10_0004.html
@@ -0,0 +1,11 @@
+<a name="das_10_0004"></a><a name="das_10_0004"></a>
+
+<h1 class="topictitle1">What Are the Username and Password for DAS?</h1>
+<div id="body1526519192069"><p id="das_10_0004__p10383155514313">The username and password for adding a login are those used for creating the DB instance.</p>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_10_0017.html">Usage</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_10_0013.html b/docs/das/umn/das_10_0013.html
new file mode 100644
index 00000000..b3ff1d4b
--- /dev/null
+++ b/docs/das/umn/das_10_0013.html
@@ -0,0 +1,12 @@
+<a name="das_10_0013"></a><a name="das_10_0013"></a>
+
+<h1 class="topictitle1">What Can I Do If Garbled Characters Are Displayed in the Exported Database Result Set?</h1>
+<div id="body1571193346131"><p id="das_10_0013__p310610437382">CSV files exported from DAS are encoded in UTF-8, whereas Excel files are encoded in ANSI. Encoding inconsistency resulted in garbled characters.</p>
+<p id="das_10_0013__p18732175063910">You are advised to open the CSV file using a text editor and save the file in ANSI encoding.</p>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_10_0017.html">Usage</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_10_0016.html b/docs/das/umn/das_10_0016.html
new file mode 100644
index 00000000..2b49e86a
--- /dev/null
+++ b/docs/das/umn/das_10_0016.html
@@ -0,0 +1,19 @@
+<a name="das_10_0016"></a><a name="das_10_0016"></a>
+
+<h1 class="topictitle1">Product Consulting</h1>
+<div id="body1583220814761"></div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_10_0039.html">Where Is SQL Execution Records Saved If I Enable This Function?</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_10_0020.html">What Should I Enter in the Database Column to Log In to a PostgreSQL DB Instance on the DAS Console?</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_10_0040.html">Will I Be Changed If I Enable Collect Metadata Periodically and Show Executed SQL Statements on the Add Login Page?</a></strong><br>
+</li>
+</ul>
+
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_10_0001.html">FAQs</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_10_0017.html b/docs/das/umn/das_10_0017.html
new file mode 100644
index 00000000..77726366
--- /dev/null
+++ b/docs/das/umn/das_10_0017.html
@@ -0,0 +1,23 @@
+<a name="das_10_0017"></a><a name="das_10_0017"></a>
+
+<h1 class="topictitle1">Usage</h1>
+<div id="body1583220814761"></div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_10_0013.html">What Can I Do If Garbled Characters Are Displayed in the Exported Database Result Set?</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_10_0029.html">What Are the Precautions for Connecting DAS to a Third-Party Client?</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_10_0004.html">What Are the Username and Password for DAS?</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_10_0019.html">What Should I Do If Table Obtaining Times Out?</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_10_0022.html">How Do I Modify the Collation?</a></strong><br>
+</li>
+</ul>
+
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_10_0001.html">FAQs</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_10_0019.html b/docs/das/umn/das_10_0019.html
new file mode 100644
index 00000000..c57fe1bb
--- /dev/null
+++ b/docs/das/umn/das_10_0019.html
@@ -0,0 +1,11 @@
+<a name="das_10_0019"></a><a name="das_10_0019"></a>
+
+<h1 class="topictitle1">What Should I Do If Table Obtaining Times Out?</h1>
+<div id="body1587625134332"><p id="das_10_0019__p31961002619">The possible cause is that the instance load is heavy. As a result, the table data collection on DAS times out. You are advised to kill a thread and perform the operation again.</p>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_10_0017.html">Usage</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_10_0020.html b/docs/das/umn/das_10_0020.html
new file mode 100644
index 00000000..17bfae9f
--- /dev/null
+++ b/docs/das/umn/das_10_0020.html
@@ -0,0 +1,11 @@
+<a name="das_10_0020"></a><a name="das_10_0020"></a>
+
+<h1 class="topictitle1">What Should I Enter in the Database Column to Log In to a PostgreSQL DB Instance on the DAS Console?</h1>
+<div id="body1596530156109"><p id="das_10_0020__p8060118">Enter <strong id="das_10_0020__b752765342010">postgres</strong>.</p>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_10_0016.html">Product Consulting</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_10_0022.html b/docs/das/umn/das_10_0022.html
new file mode 100644
index 00000000..736aef7c
--- /dev/null
+++ b/docs/das/umn/das_10_0022.html
@@ -0,0 +1,17 @@
+<a name="das_10_0022"></a><a name="das_10_0022"></a>
+
+<h1 class="topictitle1">How Do I Modify the Collation?</h1>
+<div id="body0000001083062991"><p id="das_10_0022__p12101957154519">DAS does not support the SQL Server modification on the GUI. You can run commands to implement the modification.</p>
+<p id="das_10_0022__p2449143115476">Go to the SQL Window page of the database and run the following commands:</p>
+<p id="das_10_0022__p523452618475">(In this example, the character set of the <strong id="das_10_0022__b124678431215">test</strong> database is set to SQL_Latin1_General_CP1_CI_AS.)</p>
+<pre class="screen" id="das_10_0022__screen345711491461">use root
+go
+ALTER DATABASE test COLLATE SQL_Latin1_General_CP1_CI_AS</pre>
+<p id="das_10_0022__p8060118"></p>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_10_0017.html">Usage</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_10_0029.html b/docs/das/umn/das_10_0029.html
new file mode 100644
index 00000000..6a3a7597
--- /dev/null
+++ b/docs/das/umn/das_10_0029.html
@@ -0,0 +1,11 @@
+<a name="das_10_0029"></a><a name="das_10_0029"></a>
+
+<h1 class="topictitle1">What Are the Precautions for Connecting DAS to a Third-Party Client?</h1>
+<div id="body1598601139974"><p id="das_10_0029__p1225947213">After operations are performed on a third-party client, refresh the DAS console to view the generated data.</p>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_10_0017.html">Usage</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_10_0030.html b/docs/das/umn/das_10_0030.html
new file mode 100644
index 00000000..0639d55d
--- /dev/null
+++ b/docs/das/umn/das_10_0030.html
@@ -0,0 +1,31 @@
+<a name="das_10_0030"></a><a name="das_10_0030"></a>
+
+<h1 class="topictitle1">How Do I Grant Only the Permission to Use DAS to an IAM User?</h1>
+<div id="body1594632526891"><ol id="das_10_0030__ol2490193044615"><li id="das_10_0030__li124909304466"><span>Create a user-defined policy for DAS.</span><p><p id="das_10_0030__p121218645015">On the management console, choose <strong id="das_10_0030__b21171310174918">Service List</strong> &gt; <strong id="das_10_0030__b16187184764918">Management &amp; Governance</strong> &gt; <strong id="das_10_0030__b11705147502">Identity and Access Management</strong>. On the displayed page, select <strong id="das_10_0030__b15896141017511">Permissions</strong> and click <strong id="das_10_0030__b281154555113">Create Custom Policy</strong>.</p>
+</p></li><li id="das_10_0030__li13951171215214"><span>Select the rds:instance:list permission of RDS and das:connections:list permission of DAS.</span><p><div class="note" id="das_10_0030__note175651520112618"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="das_10_0030__p9565152012618">You can also select <strong id="das_10_0030__b186577171243">JSON</strong> for <strong id="das_10_0030__b18725231248">Policy View</strong> and enter the following statements in <strong id="das_10_0030__b15754283419">Policy Content</strong>.</p>
+<pre class="codeblock" id="das_10_0030__codeblock6838174017587">{
+    "Version": "1.1",
+    "Statement": [
+        {
+            "Action": [
+                "rds:instance:list"
+            ],
+            "Effect": "Allow"
+        },
+        {
+            "Action": [
+                "das:connections:list"
+            ],
+            "Effect": "Allow"
+        }
+    ]
+}</pre>
+</div></div>
+</p></li><li id="das_10_0030__li193757338466"><span>Create a DAS user group. Then, click <strong id="das_10_0030__b7801202211125">Manage Permissions</strong> in the <strong id="das_10_0030__b19351182501215">Operation</strong> column to select the custom permissions.</span></li><li id="das_10_0030__li17635653174615"><span>Create an IAM user and add it to the user group.</span></li></ol>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_17_0042.html">Usage</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_10_0031.html b/docs/das/umn/das_10_0031.html
new file mode 100644
index 00000000..33231abd
--- /dev/null
+++ b/docs/das/umn/das_10_0031.html
@@ -0,0 +1,11 @@
+<a name="das_10_0031"></a><a name="das_10_0031"></a>
+
+<h1 class="topictitle1">Why Can't I Have Three Types of Permissions at the Same Time in an Approval Process?</h1>
+<div id="body1594632525337"><p id="das_10_0031__p163921045252">This mechanism is used to prevent excessive permissions that may so that data security can be ensured.</p>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_17_0041.html">Product Consulting</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_10_0032.html b/docs/das/umn/das_10_0032.html
new file mode 100644
index 00000000..a741e712
--- /dev/null
+++ b/docs/das/umn/das_10_0032.html
@@ -0,0 +1,11 @@
+<a name="das_10_0032"></a><a name="das_10_0032"></a>
+
+<h1 class="topictitle1">How Are the SQL Statements Classified?</h1>
+<div id="body1594632525982"><div class="fignone" id="das_10_0032__fig732811362814"><span class="figcap"><b>Figure 1 </b>Classification of SQL statements</span><br><span><img id="das_10_0032__image153294361816" src="en-us_image_0000001388031477.png"></span></div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_17_0041.html">Product Consulting</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_10_0033.html b/docs/das/umn/das_10_0033.html
new file mode 100644
index 00000000..788b00d3
--- /dev/null
+++ b/docs/das/umn/das_10_0033.html
@@ -0,0 +1,13 @@
+<a name="das_10_0033"></a><a name="das_10_0033"></a>
+
+<h1 class="topictitle1">What Are the Differences Between Instance and Database Settings?</h1>
+<div id="body1594632525984"><p id="das_10_0033__p1191517471412">The following can be configured for both instances and databases:</p>
+<ul id="das_10_0033__ul119160411143"><li id="das_10_0033__li891615421413">DBA and owner</li><li id="das_10_0033__li18916174151412">Security control items (single query of rows returned in the SQL window and whether DDL and DML operations can be executed in the SQL window)</li><li id="das_10_0033__li159161644147">Approval process customization</li></ul>
+<p id="das_10_0033__p5916184101414">Settings of these items for an instance will be synchronized to the database when the database is synchronized to the system for the first time. However, later modifications on the instance would not affect this database again.</p>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_17_0041.html">Product Consulting</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_10_0034.html b/docs/das/umn/das_10_0034.html
new file mode 100644
index 00000000..1b063e5d
--- /dev/null
+++ b/docs/das/umn/das_10_0034.html
@@ -0,0 +1,11 @@
+<a name="das_10_0034"></a><a name="das_10_0034"></a>
+
+<h1 class="topictitle1">How Do I Modify Permission, Security, and Approval Process Settings of Synchronized Databases in Batches?</h1>
+<div id="body1594632527721"><ul id="das_10_0034__ul169361254172211"><li id="das_10_0034__li1393665416225">To set DBAs or owners, access an enterprise on the Enterprise Edition. Then choose <strong id="das_10_0034__b1629184471111">System Management</strong> &gt; <strong id="das_10_0034__b379914595116">Instance Management</strong>. On the displayed page, locate the target instance and click <strong id="das_10_0034__b369517539125">Configure Instance</strong> in the <strong id="das_10_0034__b1881621318138">Operation</strong> column. Then, click the <strong id="das_10_0034__b7617113441415">Databases</strong> tab.</li><li id="das_10_0034__li010085719228">To configure security control items and approval process, synchronize the instance modifications to existing databases.</li></ul>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_17_0042.html">Usage</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_10_0037.html b/docs/das/umn/das_10_0037.html
new file mode 100644
index 00000000..33aee407
--- /dev/null
+++ b/docs/das/umn/das_10_0037.html
@@ -0,0 +1,12 @@
+<a name="das_10_0037"></a><a name="das_10_0037"></a>
+
+<h1 class="topictitle1">How Do I Refresh Only a Tab Page Instead of the Entire Browser Page?</h1>
+<div id="body1594695050418"><p id="das_10_0037__p1692943185611">Right-click on the tab page name and click <strong id="das_10_0037__b73328344135">Refresh</strong></p>
+<p id="das_10_0037__p8060118"></p>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_17_0042.html">Usage</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_10_0038.html b/docs/das/umn/das_10_0038.html
new file mode 100644
index 00000000..b3e272d1
--- /dev/null
+++ b/docs/das/umn/das_10_0038.html
@@ -0,0 +1,11 @@
+<a name="das_10_0038"></a><a name="das_10_0038"></a>
+
+<h1 class="topictitle1">What Can a Global OBS Bucket Do?</h1>
+<div id="body1594695050418"><p id="das_10_0038__p125811527175518">A global OBS bucket is used to store data backup and data export files generated by all the data change and export service tickets.</p>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_17_0041.html">Product Consulting</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_10_0039.html b/docs/das/umn/das_10_0039.html
new file mode 100644
index 00000000..ba926732
--- /dev/null
+++ b/docs/das/umn/das_10_0039.html
@@ -0,0 +1,11 @@
+<a name="das_10_0039"></a><a name="das_10_0039"></a>
+
+<h1 class="topictitle1">Where Is SQL Execution Records Saved If I Enable This Function?</h1>
+<div id="body0000001072909418"><p id="das_10_0039__p8060118">SQL execution records will be saved on the management hosts of the DAS service.</p>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_10_0016.html">Product Consulting</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_10_0040.html b/docs/das/umn/das_10_0040.html
new file mode 100644
index 00000000..ccf0d68f
--- /dev/null
+++ b/docs/das/umn/das_10_0040.html
@@ -0,0 +1,11 @@
+<a name="das_10_0040"></a><a name="das_10_0040"></a>
+
+<h1 class="topictitle1">Will I Be Changed If I Enable Collect Metadata Periodically and Show Executed SQL Statements on the Add Login Page?</h1>
+<div id="body0000001072909246"><p id="das_10_0040__p0760424184815">Currently, these functions are free of charge.</p>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_10_0016.html">Product Consulting</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_11_0056.html b/docs/das/umn/das_11_0056.html
new file mode 100644
index 00000000..22727465
--- /dev/null
+++ b/docs/das/umn/das_11_0056.html
@@ -0,0 +1,12 @@
+<a name="das_11_0056"></a><a name="das_11_0056"></a>
+
+<h1 class="topictitle1">Real-Time Performance</h1>
+<div id="body1599724215518"><div class="section" id="das_11_0056__section1994220311514"><h4 class="sectiontitle">Procedure</h4><ol id="das_11_0056__ol76771041192310"><li id="das_11_0056__li232432575115"><span>On the top menu bar, choose <strong id="das_11_0056__b20230165617355">Intelligent O&amp;M</strong> &gt; <strong id="das_11_0056__b2231456163519">Real-Time Performance</strong>.</span></li><li id="das_11_0056__li237313220277"><span>On the displayed page, select <strong id="das_11_0056__b1431474053610">Single instance performance</strong> and click <strong id="das_11_0056__b1498419329373">Setting</strong> in the upper right corner.</span></li><li id="das_11_0056__li9571849195517"><span>Select <strong id="das_11_0056__b193781148163814">Multi-instance performance</strong> and select another instance, rather than the current one. In the upper right corner, click <strong id="das_11_0056__b44853357407">Setting</strong> to view the differences between the metrics of the two instances.</span></li><li id="das_11_0056__li1512212245918"><span>On the <strong id="das_11_0056__b7666192314617">Multi-instance performance board</strong> page, click <strong id="das_11_0056__b17338153010461">Add Instance</strong> in the upper left corner to add other instances. Click <strong id="das_11_0056__b1403154915461">Setting</strong> in the upper right corner to view the metric differences between two instances.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_13_0055.html">Intelligent O&amp;M</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_11_0057.html b/docs/das/umn/das_11_0057.html
new file mode 100644
index 00000000..aba92969
--- /dev/null
+++ b/docs/das/umn/das_11_0057.html
@@ -0,0 +1,13 @@
+<a name="das_11_0057"></a><a name="das_11_0057"></a>
+
+<h1 class="topictitle1">Real-Time Sessions</h1>
+<div id="body1599724215983"><div class="section" id="das_11_0057__section1582324314564"><h4 class="sectiontitle">Procedure</h4><ol id="das_11_0057__ol93493469568"><li id="das_11_0057__li232432575115"><span>On the top menu bar, choose <strong id="das_11_0057__b15722021153619">Intelligent O&amp;M</strong> &gt; <strong id="das_11_0057__b14794217368">Real-Time Sessions</strong>.</span></li><li id="das_11_0057__li27051232115"><span>On the<strong id="das_11_0057__b311615518219"> All </strong><strong id="das_11_0057__b18981203471813">Sessions</strong> tab page, select the abnormal sessions you want to end and click <span class="uicontrol" id="das_11_0057__uicontrol7986173401819"><b>Kill</b></span> for the databases to recover.</span><p><p id="das_11_0057__p746345142113">On the <strong id="das_11_0057__b1178425941917">Slow Sessions</strong> tab page, set the slow SQL threshold and click the refreshing button or enable <strong id="das_11_0057__b478985912190">Auto Refresh</strong> to single out the SQL statements whose execution time exceeds the threshold. Select the sessions you want to end and click <strong id="das_11_0057__b772165421919">Kill</strong> for the databases to recover.</p>
+</p></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_13_0055.html">Intelligent O&amp;M</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_11_0059.html b/docs/das/umn/das_11_0059.html
new file mode 100644
index 00000000..e03953e4
--- /dev/null
+++ b/docs/das/umn/das_11_0059.html
@@ -0,0 +1,14 @@
+<a name="das_11_0059"></a><a name="das_11_0059"></a>
+
+<h1 class="topictitle1">Tuning Report</h1>
+<div id="body1599724217162"><div class="section" id="das_11_0059__section60461353162212"><h4 class="sectiontitle">Scenarios</h4><p id="das_11_0059__p5799123793512">A diagnosis report displays the database data in a specified period, including real-time performance data, session statistics, slow SQL statements, and SQL tuning statistics.</p>
+</div>
+<div class="section" id="das_11_0059__section15220181517431"><h4 class="sectiontitle">Procedure</h4><ol id="das_11_0059__ol1634713405437"><li id="das_11_0059__li5347114054311"><span>On the top menu bar, choose <strong id="das_11_0059__b6343125014364">Intelligent O&amp;M</strong> &gt; <strong id="das_11_0059__b63501650173611">Tuning Report</strong>.</span></li><li id="das_11_0059__li12343190114419"><span>On the displayed page, click <strong id="das_11_0059__b5781130204">Start Diagnosis</strong>. In the displayed dialog box, set duration and frequency and click <strong id="das_11_0059__b2078103011017">OK</strong>.</span></li><li id="das_11_0059__li13822194620311"><span>Search for diagnosis reports by time range. Click <strong id="das_11_0059__b12230103218112">View Report</strong> in the <strong id="das_11_0059__b132349327111">Operation</strong> column to view report details.</span></li><li id="das_11_0059__li13536203223720"><span>On the details page, view metrics such as thread_conn, QPS, and com_del in real time. You can analyze the diagnosis based on performance data, session statistics, slow SQL statements, and SQL tuning content, and download the diagnosis report.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_13_0055.html">Intelligent O&amp;M</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_11_0060.html b/docs/das/umn/das_11_0060.html
new file mode 100644
index 00000000..66a45630
--- /dev/null
+++ b/docs/das/umn/das_11_0060.html
@@ -0,0 +1,14 @@
+<a name="das_11_0060"></a><a name="das_11_0060"></a>
+
+<h1 class="topictitle1">SQL Tuning</h1>
+<div id="body1597975895451"><div class="section" id="das_11_0060__section270110297283"><h4 class="sectiontitle">Procedure</h4><ol id="das_11_0060__ol1314114919495"><li id="das_11_0060__li155169571433"><span>On the top menu bar, choose <strong id="das_11_0060__b1564453423610">Intelligent O&amp;M</strong> &gt; <strong id="das_11_0060__b3652193415368">SQL Tuning</strong>.</span></li><li id="das_11_0060__li2286125016413"><span>In the displayed dialog box, select an instance and click <span class="uicontrol" id="das_11_0060__uicontrol16977927983"><b>OK</b></span>.</span></li><li id="das_11_0060__li85754481853"><span>On the <strong id="das_11_0060__b20738341101016">SQL Tuning</strong> page, click <strong id="das_11_0060__b337134621012">Add SQL Performance Tuning</strong>. In the displayed dialog box, enter the SQL statements to be diagnosed and click <strong id="das_11_0060__b54451112181117">OK</strong>.</span></li><li id="das_11_0060__li16584903814"><span>Click <strong id="das_11_0060__b2706551131217">View Details</strong> in the <strong id="das_11_0060__b12962854191211">Operation</strong> column to view tuning details.</span></li><li id="das_11_0060__li13975193118914"><span>Under <strong id="das_11_0060__b68465159150">Tuned SQL List</strong>, click <strong id="das_11_0060__b2756340161512">View Tuning Result Detail</strong> in the <strong id="das_11_0060__b718217431158">Operation</strong> column to view tuning details.</span><p><div class="note" id="das_11_0060__note9250144816126"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="das_11_0060__ul22505486127"><li id="das_11_0060__li142502048171217">The SQL tuning function obtains the table structure and data distribution information (non-original). The obtained data is only for logic diagnosis, but not stored on the DAS server.</li><li id="das_11_0060__li6250248171215">Obtaining table structure and data distribution information may add additional loads to the DB instance, but has little impact on its performance.</li><li id="das_11_0060__li3250174871219">Only the SQL diagnosis history is stored on the DAS server. You can delete it from the server permanently.</li></ul>
+</div></div>
+</p></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_13_0055.html">Intelligent O&amp;M</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_11_0080.html b/docs/das/umn/das_11_0080.html
new file mode 100644
index 00000000..501cf281
--- /dev/null
+++ b/docs/das/umn/das_11_0080.html
@@ -0,0 +1,20 @@
+<a name="das_11_0080"></a><a name="das_11_0080"></a>
+
+<h1 class="topictitle1">InnoDB Lock Query</h1>
+<div id="body0000001142087351"><div class="section" id="das_11_0080__section60461353162212"><h4 class="sectiontitle">Scenarios</h4><ul id="das_11_0080__ul1814713513543"><li id="das_11_0080__li7147855543">InnoDB lock status management allows you to diagnose conflicts during execution of transactions or sessions with a few clicks. By querying the lock status, you can obtain the lock-holding and lock-wait information of transactions, such as the transaction status, session ID, locked table, and locked data range.</li><li id="das_11_0080__li5147555542">InnoDB Lock Query is currently in open beta testing.</li></ul>
+</div>
+<div class="section" id="das_11_0080__section790151362311"><h4 class="sectiontitle">Procedure</h4><ol id="das_11_0080__ol1982732612518"><li id="das_11_0080__li13827426132514">On the top menu bar, choose <strong id="das_11_0080__b1150520913718">Intelligent O&amp;M</strong> &gt; <strong id="das_11_0080__b175121894378">InnoDB Lock Query</strong>. If there is no transaction waiting for a lock, click <strong id="das_11_0080__b149851232111017">Refresh</strong> to view the latest lock query information.</li><li id="das_11_0080__li058130122519">On the displayed page, the lock-holding and lock-wait information is displayed if a transaction is waiting for a lock.<div class="fignone" id="das_11_0080__fig7192163636"><span class="figcap"><b>Figure 1 </b>Querying the InnoDB lock</span><br><span><img id="das_11_0080__image919320319316" src="en-us_image_0000001387791881.png"></span></div>
+</li><li id="das_11_0080__li102371350263">Move the cursor above an icon to view its detailed information.<div class="fignone" id="das_11_0080__fig1321112015253"><span class="figcap"><b>Figure 2 </b>Lock details</span><br><span><img id="das_11_0080__image1532110206256" src="en-us_image_0000001337271924.png"></span></div>
+</li><li id="das_11_0080__li980017327261">Click the lock-holding or lock-wait icon. A dialog box for killing the session is displayed.<div class="fignone" id="das_11_0080__fig15799173282611"><span class="figcap"><b>Figure 3 </b>Killing sessions</span><br><span><img id="das_11_0080__image14799113210266" src="en-us_image_0000001388191393.png"></span></div>
+<div class="p" id="das_11_0080__p13800732102619"><div class="note" id="das_11_0080__note14800153222614"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="das_11_0080__ul78001132142618"><li id="das_11_0080__li1079963212267">The default lock wait timeout is 50s. You can modify the <span class="uicontrol" id="das_11_0080__uicontrol285965212104"><b>innodb_lock_wait_timeout</b></span> parameter to change the timeout value.</li><li id="das_11_0080__li88001732162612">The SQL window execution timeout is 300s.</li></ul>
+</div></div>
+</div>
+</li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_13_0055.html">Intelligent O&amp;M</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_13_0001.html b/docs/das/umn/das_13_0001.html
new file mode 100644
index 00000000..445409a6
--- /dev/null
+++ b/docs/das/umn/das_13_0001.html
@@ -0,0 +1,31 @@
+<a name="das_13_0001"></a><a name="das_13_0001"></a>
+
+<h1 class="topictitle1">GaussDB(for MySQL) DB Instance Management (Development Tool)</h1>
+<div id="body1581509967882"></div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_13_0002.html">Homepage</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_13_0040.html">SQL Operations</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_13_0004.html">Database Management</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_13_0047.html">Import and Export</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_13_0050.html">Structure Management</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_13_0052.html">Data Scheme</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_13_0062.html">Scheduled Backup</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_13_0055.html">Intelligent O&amp;M</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_13_0061.html">Account Management</a></strong><br>
+</li>
+</ul>
+
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_20_0011.html">User Guide</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_13_0002.html b/docs/das/umn/das_13_0002.html
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+<a name="das_13_0002"></a><a name="das_13_0002"></a>
+
+<h1 class="topictitle1">Homepage</h1>
+<div id="body1581509967883"></div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_13_0003.html">Overview</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_13_0005.html">Creating a Database</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_13_0006.html">Dropping a Database</a></strong><br>
+</li>
+</ul>
+
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_13_0001.html">GaussDB(for MySQL) DB Instance Management (Development Tool)</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_13_0003.html b/docs/das/umn/das_13_0003.html
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+<a name="das_13_0003"></a><a name="das_13_0003"></a>
+
+<h1 class="topictitle1">Overview</h1>
+<div id="body1581509968872"><div class="section" id="das_13_0003__section967714152911"><h4 class="sectiontitle">Logging In to DAS</h4><ol id="das_13_0003__ol1251491219247"><li id="das_13_0003__li107721721162911"><span>Obtain the login permission and log in to the DAS console.</span></li><li id="das_13_0003__li15508183813297"><span>In the login list of Development Tool, choose <strong id="das_13_0003__b8354613174">GaussDB instances</strong> and <strong id="das_13_0003__b1310046181718">GaussDB(for MySQL)</strong> from the drop-down lists, locate the DB instance you want to log in to, and click <strong id="das_13_0003__b01016465174">Log In</strong> in the <strong id="das_13_0003__b11111946131717">Operation</strong> column.</span></li></ol>
+</div>
+<div class="section" id="das_13_0003__section42761717505"><h4 class="sectiontitle">Function Overview</h4><p id="das_13_0003__p1357133651012">Brief introduction that helps you better understand DAS</p>
+</div>
+<div class="fignone" id="das_13_0003__fig14618115254115"><span class="figcap"><b>Figure 1 </b>GaussDB(for MySQL) management homepage</span><br><span><img id="das_13_0003__image1877218409415" src="en-us_image_0000001337272024.png"></span></div>
+
+<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="das_13_0003__table1780123141716" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Functions</caption><thead align="left"><tr id="das_13_0003__row11801531181717"><th align="left" class="cellrowborder" valign="top" width="28.98%" id="mcps1.3.4.2.3.1.1"><p id="das_13_0003__p1080143181714">Function</p>
+</th>
+<th align="left" class="cellrowborder" valign="top" width="71.02000000000001%" id="mcps1.3.4.2.3.1.2"><p id="das_13_0003__p19823318173">Description</p>
+</th>
+</tr>
+</thead>
+<tbody><tr id="das_13_0003__row582173120171"><td class="cellrowborder" valign="top" width="28.98%" headers="mcps1.3.4.2.3.1.1 "><p id="das_13_0003__p1182431101716">Top menu bar</p>
+</td>
+<td class="cellrowborder" valign="top" width="71.02000000000001%" headers="mcps1.3.4.2.3.1.2 "><ul id="das_13_0003__ul1644642103313"><li id="das_13_0003__li124464253314">SQL Operations</li><li id="das_13_0003__li34462219339">Database Management</li><li id="das_13_0003__li444615223318">Import and Export</li><li id="das_13_0003__li20446132203316">Structure Management</li><li id="das_13_0003__li54471021337">Data Scheme</li><li id="das_13_0003__li38054619437">Scheduled Backup</li><li id="das_13_0003__li84478213332">Intelligent O&amp;M</li><li id="das_13_0003__li1944719253314">Account Management</li></ul>
+</td>
+</tr>
+<tr id="das_13_0003__row15824312178"><td class="cellrowborder" valign="top" width="28.98%" headers="mcps1.3.4.2.3.1.1 "><p id="das_13_0003__p109641141101216">Account information and logout</p>
+</td>
+<td class="cellrowborder" valign="top" width="71.02000000000001%" headers="mcps1.3.4.2.3.1.2 "><p id="das_13_0003__p596220415122">Displays the current account information and a logout button.</p>
+</td>
+</tr>
+<tr id="das_13_0003__row178791941122314"><td class="cellrowborder" valign="top" width="28.98%" headers="mcps1.3.4.2.3.1.1 "><p id="das_13_0003__p19880141142317">DB instance information</p>
+</td>
+<td class="cellrowborder" valign="top" width="71.02000000000001%" headers="mcps1.3.4.2.3.1.2 "><p id="das_13_0003__p1788024122317">Displays the current database information, such as the DB engine logo, DB instance name, and DB engine version.</p>
+</td>
+</tr>
+<tr id="das_13_0003__row1435918414126"><td class="cellrowborder" valign="top" width="28.98%" headers="mcps1.3.4.2.3.1.1 "><p id="das_13_0003__p1582133117176">Database list</p>
+</td>
+<td class="cellrowborder" valign="top" width="71.02000000000001%" headers="mcps1.3.4.2.3.1.2 "><p id="das_13_0003__p1099720524289">Displays the databases of the current DB instance, including user databases and system databases.</p>
+<p id="das_13_0003__p6648121332111">Allows you to search for a database by name.</p>
+<p id="das_13_0003__p14397133182914">Allows you to create databases.</p>
+</td>
+</tr>
+</tbody>
+</table>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_13_0002.html">Homepage</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_13_0004.html b/docs/das/umn/das_13_0004.html
new file mode 100644
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+++ b/docs/das/umn/das_13_0004.html
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+<a name="das_13_0004"></a><a name="das_13_0004"></a>
+
+<h1 class="topictitle1">Database Management</h1>
+<div id="body1581509971876"><div class="section" id="das_13_0004__section9808165412915"><h4 class="sectiontitle">Function Overview</h4><p id="das_13_0004__p147525451255">You can go to the <strong id="das_13_0004__b47536716517">Database Management</strong> page in either of the following ways:</p>
+<ul id="das_13_0004__ul108042262717"><li id="das_13_0004__li28045268714">In the database list of the <strong id="das_13_0004__b1830634918527">Home</strong> page, locate the target database and click <strong id="das_13_0004__b15312154914527">Manage</strong> in the <strong id="das_13_0004__b831294916523">Operation</strong> column.</li><li id="das_13_0004__li95678331676">Choose <strong id="das_13_0004__b1827014247518">Database Management</strong> on the top menu bar.</li></ul>
+<div class="fignone" id="das_13_0004__fig757011275455"><span class="figcap"><b>Figure 1 </b>Database management</span><br><span><img id="das_13_0004__image11140141054518" src="en-us_image_0000001337271904.png"></span></div>
+
+<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="das_13_0004__table522203713010" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Functions</caption><thead align="left"><tr id="das_13_0004__row10221037183015"><th align="left" class="cellrowborder" valign="top" width="12.21%" id="mcps1.3.1.5.2.3.1.1"><p id="das_13_0004__p1221937123014">No.</p>
+</th>
+<th align="left" class="cellrowborder" valign="top" width="87.79%" id="mcps1.3.1.5.2.3.1.2"><p id="das_13_0004__p222203773018">Description</p>
+</th>
+</tr>
+</thead>
+<tbody><tr id="das_13_0004__row1722937133017"><td class="cellrowborder" valign="top" width="12.21%" headers="mcps1.3.1.5.2.3.1.1 "><p id="das_13_0004__p622173719305">1</p>
+</td>
+<td class="cellrowborder" valign="top" width="87.79%" headers="mcps1.3.1.5.2.3.1.2 "><p id="das_13_0004__p422437133014">Displays the name of the current database.</p>
+</td>
+</tr>
+<tr id="das_13_0004__row1122153733011"><td class="cellrowborder" valign="top" width="12.21%" headers="mcps1.3.1.5.2.3.1.1 "><p id="das_13_0004__p22213719302">2</p>
+</td>
+<td class="cellrowborder" valign="top" width="87.79%" headers="mcps1.3.1.5.2.3.1.2 "><p id="das_13_0004__p13221379301">Allows you to switch between system and non-system databases.</p>
+</td>
+</tr>
+<tr id="das_13_0004__row72223703018"><td class="cellrowborder" valign="top" width="12.21%" headers="mcps1.3.1.5.2.3.1.1 "><p id="das_13_0004__p1322203716306">3</p>
+</td>
+<td class="cellrowborder" valign="top" width="87.79%" headers="mcps1.3.1.5.2.3.1.2 "><p id="das_13_0004__p122318376305">Displays the IP address, port number, and character set of the current DB instance.</p>
+</td>
+</tr>
+<tr id="das_13_0004__row182313716306"><td class="cellrowborder" valign="top" width="12.21%" headers="mcps1.3.1.5.2.3.1.1 "><p id="das_13_0004__p023133793011">4</p>
+</td>
+<td class="cellrowborder" valign="top" width="87.79%" headers="mcps1.3.1.5.2.3.1.2 "><p id="das_13_0004__p5231937123019">Allows you to open the SQL window of the current database.</p>
+</td>
+</tr>
+<tr id="das_13_0004__row172313715307"><td class="cellrowborder" valign="top" width="12.21%" headers="mcps1.3.1.5.2.3.1.1 "><p id="das_13_0004__p1623937143011">5</p>
+</td>
+<td class="cellrowborder" valign="top" width="87.79%" headers="mcps1.3.1.5.2.3.1.2 "><p id="das_13_0004__p4998142592419">Periodically collects metadata such as databases, tables, and fields of the DB instance and stores the data to the databases of DAS.</p>
+<p id="das_13_0004__p82685718249">Advantages:</p>
+<ul id="das_13_0004__ul14476125910248"><li id="das_13_0004__li3476205922419">Reduces queries on user databases and the impact on the performance of user databases.</li><li id="das_13_0004__li14558131182518">Improves the search performance for DB instances that contain a large number of tables and supports pagination queries.</li></ul>
+<p id="das_13_0004__p1249483183312">Only structural metadata is collected, which means that user's table data is not included.</p>
+</td>
+</tr>
+<tr id="das_13_0004__row32333712304"><td class="cellrowborder" valign="top" width="12.21%" headers="mcps1.3.1.5.2.3.1.1 "><p id="das_13_0004__p132363719306">6</p>
+</td>
+<td class="cellrowborder" valign="top" width="87.79%" headers="mcps1.3.1.5.2.3.1.2 "><p id="das_13_0004__p7237374305">Database management consists of three functional modules: objects, SQL tuning, and metadata collection.</p>
+</td>
+</tr>
+<tr id="das_13_0004__row22323710303"><td class="cellrowborder" valign="top" width="12.21%" headers="mcps1.3.1.5.2.3.1.1 "><p id="das_13_0004__p423103716309">7</p>
+</td>
+<td class="cellrowborder" valign="top" width="87.79%" headers="mcps1.3.1.5.2.3.1.2 "><p id="das_13_0004__p1123183710309">Allows you to perform operations.</p>
+</td>
+</tr>
+</tbody>
+</table>
+</div>
+</div>
+<div class="section" id="das_13_0004__section67271541124019"><h4 class="sectiontitle">Object List</h4><div class="note" id="das_13_0004__note146219515238"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="das_13_0004__p93241982311">If there are too many tables, the system will not collect the metadata and display the table list to mitigate the impact on database performance.</p>
+</div></div>
+<p id="das_13_0004__p1943681044415">You can manage tables, views, stored procedures, events, triggers, and functions of databases. The main operations include creating, querying, and modifying objects.</p>
+</div>
+<div class="section" id="das_13_0004__section195551252145811"><h4 class="sectiontitle">SQL Tuning</h4><p id="das_13_0004__p374131218318">SQL tuning helps you query the SQL statements that are executed frequently, consume a large amount of resources, or take a long time to execute. Therefore, you can optimize operations according to the diagnosis results.</p>
+<ol id="das_13_0004__ol86701552036"><li id="das_13_0004__li15670551935"><span>On the <strong id="das_13_0004__b14578115812258">Database Management</strong> page, click the <strong id="das_13_0004__b12581185811250">SQL Tuning</strong> tab. You can search for SQL tuning history by date to view details or you can add or delete SQL tuning records.</span></li><li id="das_13_0004__li12823171515164"><span>Click <strong id="das_13_0004__b1427336142815">Add SQL Performance Tuning</strong>. In the displayed dialog box, set <strong id="das_13_0004__b17927203336">Task Type</strong> to <strong id="das_13_0004__b1783185012449">SQL statement</strong> or <strong id="das_13_0004__b1663755612444">SQL file</strong>. Then, edit the SQL statements under <strong id="das_13_0004__b47069172343">SQL Statement</strong> and click <strong id="das_13_0004__b884312920345">OK</strong>.</span><p><div class="note" id="das_13_0004__note166817130516"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="das_13_0004__ul4957143165216"><li id="das_13_0004__li9159114445216">The following types of statements will be changed to the SELECT statements for tuning:<p id="das_13_0004__p1276921315718"><a name="das_13_0004__li9159114445216"></a><a name="li9159114445216"></a><span class="uicontrol" id="das_13_0004__uicontrol101502920112"><b>SELECT ... FOR UPDATE</b></span>, <span class="uicontrol" id="das_13_0004__uicontrol41509971116"><b>UPDATE ... SET ... WHERE ...</b></span>, <span class="uicontrol" id="das_13_0004__uicontrol1715369181119"><b>DELETE FROM ... WHERE ...</b></span>, <span class="uicontrol" id="das_13_0004__uicontrol17153109121117"><b>INSERT INTO ... SELECT ...</b></span></p>
+</li><li id="das_13_0004__li4738134112717">Apart from the statements mentioned above, other statements cannot be changed to SELECT statements for tuning. The tuning task that contains unsupported SQL syntax will fail.</li><li id="das_13_0004__li10957143175216">The following shows the unsupported syntaxes:<ul id="das_13_0004__ul189671020132715"><li id="das_13_0004__li1096742013272">alter table t add index idx_name(name);</li><li id="das_13_0004__li139671520132713">show databases;</li><li id="das_13_0004__li1296782032712">grant SELECT,PROCESS on d.t to 'am'@'%' with grant option;</li><li id="das_13_0004__li196752010272">insert into t(i, v) values (1, 'a').</li></ul>
+</li><li id="das_13_0004__li20370912134216">Only the diagnosis of the SELECT, INSERT, UPDATE, and DELETE statements is supported. An INSERT statement must contain a SELECT clause.</li><li id="das_13_0004__li103701212204219">Querying stored SQL statements such as information_schema, test, mysql, is not supported.</li><li id="das_13_0004__li537191213426">View statements are not supported.</li></ul>
+</div></div>
+</p></li><li id="das_13_0004__li19574056520"><span>In the SQL tuning list, locate the target task and click <strong id="das_13_0004__b1576911268294">View Details</strong> in the <strong id="das_13_0004__b19770202613298">Operation</strong> column.</span><p><p id="das_13_0004__p95185018181">You can view the tuning details at the bottom of the task list.</p>
+</p></li></ol>
+</div>
+<div class="section" id="das_13_0004__section868617291748"><h4 class="sectiontitle">Metadata Collection</h4><p id="das_13_0004__p15580946275">DAS periodically collects the metadata of DB instance databases, tables, and fields and stores the collected data in the DAS database. In addition, it collects only structural metadata, but not data in user tables, which ensures data security. Metadata collection delivers the following advantages:</p>
+<ul id="das_13_0004__ul558014461075"><li id="das_13_0004__li14580154617710">Reduces queries on user databases and the impact on the performance of user databases.</li><li id="das_13_0004__li258018461176">Improves the search performance for DB instances that contain a large number of tables and supports pagination queries.</li></ul>
+<ol id="das_13_0004__ol10118972315"><li id="das_13_0004__li112159142312"><span>On the <strong id="das_13_0004__b1038313520238">Database Management</strong> page, enable <strong id="das_13_0004__b1138355215239">Auto Metadata Collection</strong> in the upper right corner and click the <strong id="das_13_0004__b1138395272317">Metadata Collection</strong> tab.</span></li><li id="das_13_0004__li368816715244"><span>On the displayed page, click <strong id="das_13_0004__b5900103534412">Collect Now</strong> to start the collection. You can also stop the collection or view the collection details.</span><p><ul id="das_13_0004__ul1770135004010"><li id="das_13_0004__li1852981164115"><strong id="das_13_0004__b23816132519">Clear Collected Data</strong>: Clears the collected data such as metadata, database structure, and table structure.</li><li id="das_13_0004__li63950407420"><strong id="das_13_0004__b145931310113815">Delete Logs</strong>: Deletes logs. Deleted logs cannot be restored. Exercise caution when performing this operation.</li></ul>
+</p></li></ol>
+</div>
+</div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_13_0007.html">Table Management</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_13_0017.html">View Management</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_13_0022.html">Event Management</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_13_0026.html">Stored Procedure Management</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_13_0030.html">Function Management</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_13_0035.html">Trigger Management</a></strong><br>
+</li>
+</ul>
+
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_13_0001.html">GaussDB(for MySQL) DB Instance Management (Development Tool)</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_13_0005.html b/docs/das/umn/das_13_0005.html
new file mode 100644
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@@ -0,0 +1,12 @@
+<a name="das_13_0005"></a><a name="das_13_0005"></a>
+
+<h1 class="topictitle1">Creating a Database</h1>
+<div id="body1581509973375"><div class="section" id="das_13_0005__section8389334183913"><h4 class="sectiontitle">Procedure</h4><ol id="das_13_0005__ol2089904013560"><li id="das_13_0005__li1989954055610"><span>In the database list of the <strong id="das_13_0005__b1171644515919">Home</strong> page, click <span class="uicontrol" id="das_13_0005__uicontrol37186457599"><b>Create Database</b></span>.</span></li><li id="das_13_0005__li183231794584"><span>On the displayed page, enter a database name and select a character set.</span></li><li id="das_13_0005__li19802321214"><span>Click <span class="uicontrol" id="das_13_0005__uicontrol207861412203420"><b>OK</b></span>. The database you create appears in the database list.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_13_0002.html">Homepage</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_13_0006.html b/docs/das/umn/das_13_0006.html
new file mode 100644
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+++ b/docs/das/umn/das_13_0006.html
@@ -0,0 +1,12 @@
+<a name="das_13_0006"></a><a name="das_13_0006"></a>
+
+<h1 class="topictitle1">Dropping a Database</h1>
+<div id="body1581509975276"><div class="section" id="das_13_0006__section1443795211393"><h4 class="sectiontitle">Procedure</h4><ol id="das_13_0006__ol11700203645918"><li id="das_13_0006__li865994011591"><span>In the database list, locate the database you want to delete and choose <strong id="das_13_0006__b4751713398">More</strong> &gt; <strong id="das_13_0006__b475931183916">Drop</strong> in the <strong id="das_13_0006__b19760719391">Operation</strong> column.</span></li><li id="das_13_0006__li1837517571311"><span>In the displayed dialog box, click <span class="uicontrol" id="das_13_0006__uicontrol201771875396"><b>Yes</b></span>.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_13_0002.html">Homepage</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_13_0007.html b/docs/das/umn/das_13_0007.html
new file mode 100644
index 00000000..3505f60c
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+++ b/docs/das/umn/das_13_0007.html
@@ -0,0 +1,29 @@
+<a name="das_13_0007"></a><a name="das_13_0007"></a>
+
+<h1 class="topictitle1">Table Management</h1>
+<div id="body1581578956942"></div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_13_0008.html">Creating a Table</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_13_0009.html">Opening a Table</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_13_0010.html">Viewing Table Details</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_13_0011.html">Altering a Table</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_13_0012.html">Renaming a Table</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_13_0013.html">Clearing a Table</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_13_0014.html">Dropping a Table</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_13_0015.html">Maintaining a Table</a></strong><br>
+</li>
+</ul>
+
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_13_0004.html">Database Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_13_0008.html b/docs/das/umn/das_13_0008.html
new file mode 100644
index 00000000..ce743d0a
--- /dev/null
+++ b/docs/das/umn/das_13_0008.html
@@ -0,0 +1,20 @@
+<a name="das_13_0008"></a><a name="das_13_0008"></a>
+
+<h1 class="topictitle1">Creating a Table</h1>
+<div id="body1581578959227"><div class="section" id="das_13_0008__section8190142214137"><h4 class="sectiontitle">Scenarios</h4><p id="das_13_0008__p1817222471314">A GaussDB(for MySQL) database table consists of basic information, fields or columns, virtual columns, indexes, and foreign keys, among which virtual columns, indexes, and foreign keys are optional. Configure these items as required.</p>
+</div>
+<div class="section" id="das_13_0008__section27341913194710"><h4 class="sectiontitle">Procedure</h4><ol id="das_13_0008__ol020912236558"><li id="das_13_0008__li13773111132816"><span>On the top menu bar, choose <strong id="das_13_0008__b63691142132512">Database Management</strong>. On the displayed <strong id="das_13_0008__b10370144212257">Objects</strong> tab, choose <strong id="das_13_0008__b13370942202519">Tables</strong> and click <strong id="das_13_0008__b123707426255">Create Table</strong>.</span></li><li id="das_13_0008__li9184434121013"><span>On the displayed page, specify the table details on the <strong id="das_13_0008__b13389113214264">Basic Information</strong> page (<strong id="das_13_0008__b53902032132611">Table Name</strong> is mandatory). Click <strong id="das_13_0008__b1516271510272">Next</strong>.</span></li><li id="das_13_0008__li224044583014"><span>On the <strong id="das_13_0008__b931123922712">Column</strong> page, click <strong id="das_13_0008__b1319133911279">Add</strong> and set <strong id="das_13_0008__b1032012396277">Column Name</strong>, <strong id="das_13_0008__b43201639172716">Type</strong>, <strong id="das_13_0008__b19320639122718">Length</strong>, <strong id="das_13_0008__b1932043992712">Nullable</strong>, <strong id="das_13_0008__b832112393278">Primary Key</strong>, and <strong id="das_13_0008__b19321739102711">Extended Information</strong> as needed.</span><p><ul id="das_13_0008__ul1739385315474"><li id="das_13_0008__li10394353144711">If you do not need to add virtual columns, indexes, or foreign keys, click <strong id="das_13_0008__b62273202812">Create</strong> at the bottom of the page. In the displayed <strong id="das_13_0008__b17292315287">SQL Preview</strong> dialog box, click <strong id="das_13_0008__b143015332815">Execute</strong>.</li></ul>
+<ul id="das_13_0008__ul1994755644716"><li id="das_13_0008__li18947656194718">If you need to add virtual columns, indexes, and foreign keys, click <strong id="das_13_0008__b11901947182912">Next</strong>. Then, set the column name, type, length, nullable, primary key, expression, storage type, comment, and extended information. After the settings are complete, click <strong id="das_13_0008__b94941157102913">Create</strong>.</li></ul>
+<div class="note" id="das_13_0008__note71021220151618"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="das_13_0008__p217616442446">When you create a foreign key, the type of columns in the referenced table must be the same as that of included columns, and must be the primary key or have a unique index.</p>
+</div></div>
+</p></li><li id="das_13_0008__li1024214496301"><span>In the <strong id="das_13_0008__b4235835123114">SQL Preview</strong> dialog box, click <span class="uicontrol" id="das_13_0008__uicontrol1124617356313"><b>Execute</b></span> to create a table.</span></li></ol>
+<div class="note" id="das_13_0008__note18361245141519"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="das_13_0008__ul102901948593"><li id="das_13_0008__li13290744597">The length of a column name is limited. Enter no more than 64 characters.</li><li id="das_13_0008__li6290341593">In the <strong id="das_13_0008__b1629841917322">Type</strong> column, you can select only the parameters from the drop-down list box.</li><li id="das_13_0008__li0290449591">In the <strong id="das_13_0008__b644043183218">Length</strong> column, you can change the length for some types of columns.</li><li id="das_13_0008__li1529016411599">If <strong id="das_13_0008__b4894164773215">Primary Key</strong> is selected, <strong id="das_13_0008__b29021547163219">Nullable</strong> will be grayed out.</li><li id="das_13_0008__li129014417592"><strong id="das_13_0008__b880015315325">Auto Increment</strong> can be set for one column only. When it is selected, <strong id="das_13_0008__b2807953143219">Primary Key</strong> must be selected, and a default value cannot be set.</li></ul>
+</div></div>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_13_0007.html">Table Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_13_0009.html b/docs/das/umn/das_13_0009.html
new file mode 100644
index 00000000..d8d55328
--- /dev/null
+++ b/docs/das/umn/das_13_0009.html
@@ -0,0 +1,86 @@
+<a name="das_13_0009"></a><a name="das_13_0009"></a>
+
+<h1 class="topictitle1">Opening a Table</h1>
+<div id="body1581578961051"><div class="section" id="das_13_0009__section15978192225616"><h4 class="sectiontitle">Scenarios</h4><p id="das_13_0009__p1990792455610">If a table has primary keys, you can add, delete, modify, or query table data as you do in Excel.</p>
+</div>
+<div class="section" id="das_13_0009__section92015282488"><h4 class="sectiontitle">Procedure</h4><ol id="das_13_0009__ol020912236558"><li id="das_13_0009__li36501041115519"><span>On the top menu bar, choose <strong id="das_13_0009__b14104113514611">Database Management</strong>. On the displayed <strong id="das_13_0009__b18104173511461">Objects</strong> tab, choose <strong id="das_13_0009__b410417355464">Tables</strong> on the left, locate the target table, and click <strong id="das_13_0009__b1910513514619">Open</strong> in the <strong id="das_13_0009__b17105123584611">Operation</strong> column.</span></li><li id="das_13_0009__li689310281598"><span>On the table details page, double-click a cell to edit data. After adding or editing data, submit and save the changes.</span><p>
+<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="das_13_0009__table48931828115911" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Functions</caption><thead align="left"><tr id="das_13_0009__row10891132815596"><th align="left" class="cellrowborder" valign="top" width="27%" id="mcps1.3.2.2.2.2.1.2.3.1.1"><p id="das_13_0009__p189122819599">Item</p>
+</th>
+<th align="left" class="cellrowborder" valign="top" width="73%" id="mcps1.3.2.2.2.2.1.2.3.1.2"><p id="das_13_0009__p88911928195912">Description</p>
+</th>
+</tr>
+</thead>
+<tbody><tr id="das_13_0009__row18648270558"><td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.2.2.2.2.1.2.3.1.1 "><p id="das_13_0009__p2651275557">Where Condition</p>
+</td>
+<td class="cellrowborder" valign="top" width="73%" headers="mcps1.3.2.2.2.2.1.2.3.1.2 "><p id="das_13_0009__p165827115514">Allows you to quickly obtain information by filtering records using the WHERE condition.</p>
+</td>
+</tr>
+<tr id="das_13_0009__row10145157165615"><td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.2.2.2.2.1.2.3.1.1 "><p id="das_13_0009__p121468712567">Quickly Generate Test Data</p>
+</td>
+<td class="cellrowborder" valign="top" width="73%" headers="mcps1.3.2.2.2.2.1.2.3.1.2 "><p id="das_13_0009__p131461974563">Quickly generates test data for table structure testing and allows you to set rules.</p>
+</td>
+</tr>
+<tr id="das_13_0009__row12271753165714"><td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.2.2.2.2.1.2.3.1.1 "><p id="das_13_0009__p1027110536574">Copy Row</p>
+</td>
+<td class="cellrowborder" valign="top" width="73%" headers="mcps1.3.2.2.2.2.1.2.3.1.2 "><p id="das_13_0009__p1271205317572">Copies data of the selected row. Specifically, double-click the target row and then click <strong id="das_13_0009__b123343498110">Copy Row</strong>.</p>
+</td>
+</tr>
+<tr id="das_13_0009__row1211422115"><td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.2.2.2.2.1.2.3.1.1 "><p id="das_13_0009__p81162314">Copy Column</p>
+</td>
+<td class="cellrowborder" valign="top" width="73%" headers="mcps1.3.2.2.2.2.1.2.3.1.2 "><p id="das_13_0009__p1511172117">Allows you to copy all data in a column by selecting this column from the <strong id="das_13_0009__b1285214624716">Copy Column</strong> drop-down list.</p>
+</td>
+</tr>
+<tr id="das_13_0009__row1321736918"><td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.2.2.2.2.1.2.3.1.1 "><p id="das_13_0009__p13892828195915">Column Settings</p>
+</td>
+<td class="cellrowborder" valign="top" width="73%" headers="mcps1.3.2.2.2.2.1.2.3.1.2 "><p id="das_13_0009__p589202819591">Allows you to set the columns you want to display.</p>
+</td>
+</tr>
+<tr id="das_13_0009__row9619162819517"><td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.2.2.2.2.1.2.3.1.1 "><p id="das_13_0009__p12892328145917">Binary to Hexadecimal</p>
+</td>
+<td class="cellrowborder" valign="top" width="73%" headers="mcps1.3.2.2.2.2.1.2.3.1.2 "><p id="das_13_0009__p3892112814593">Prevents binary data in columns from being displayed as garbled characters. If there is binary data in columns, you must select this option.</p>
+</td>
+</tr>
+<tr id="das_13_0009__row1489142885917"><td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.2.2.2.2.1.2.3.1.1 "><p id="das_13_0009__p08912028115918">Refresh</p>
+</td>
+<td class="cellrowborder" valign="top" width="73%" headers="mcps1.3.2.2.2.2.1.2.3.1.2 "><p id="das_13_0009__p12891112810597">Allows you to update table data manually.</p>
+</td>
+</tr>
+<tr id="das_13_0009__row1892132825917"><td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.2.2.2.2.1.2.3.1.1 "><p id="das_13_0009__p1389120281598">Row Details</p>
+</td>
+<td class="cellrowborder" valign="top" width="73%" headers="mcps1.3.2.2.2.2.1.2.3.1.2 "><p id="das_13_0009__p1389282835916">Shows the detailed information of a specified row.</p>
+</td>
+</tr>
+<tr id="das_13_0009__row589222820594"><td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.2.2.2.2.1.2.3.1.1 "><p id="das_13_0009__p152631331154">Add</p>
+</td>
+<td class="cellrowborder" valign="top" width="73%" headers="mcps1.3.2.2.2.2.1.2.3.1.2 "><p id="das_13_0009__p182628332512">Allows you to add rows.</p>
+</td>
+</tr>
+<tr id="das_13_0009__row389282818599"><td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.2.2.2.2.1.2.3.1.1 "><p id="das_13_0009__p53157428117">Submit</p>
+</td>
+<td class="cellrowborder" valign="top" width="73%" headers="mcps1.3.2.2.2.2.1.2.3.1.2 "><p id="das_13_0009__p13313174212119">Allows you to submit and save the changes to data.</p>
+</td>
+</tr>
+<tr id="das_13_0009__row48939283598"><td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.2.2.2.2.1.2.3.1.1 "><p id="das_13_0009__p5893728155911">Delete Row</p>
+</td>
+<td class="cellrowborder" valign="top" width="73%" headers="mcps1.3.2.2.2.2.1.2.3.1.2 "><p id="das_13_0009__p1189318289593">Allows you to delete the selected rows.</p>
+</td>
+</tr>
+<tr id="das_13_0009__row10893182811593"><td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.2.2.2.2.1.2.3.1.1 "><p id="das_13_0009__p6892628115917">Export</p>
+</td>
+<td class="cellrowborder" valign="top" width="73%" headers="mcps1.3.2.2.2.2.1.2.3.1.2 "><p id="das_13_0009__p20892428185915">Exports a maximum of 10,000 data records as CSV or SQL files.</p>
+</td>
+</tr>
+</tbody>
+</table>
+</div>
+<div class="note" id="das_13_0009__note1666015562183"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="das_13_0009__p10660656111818">System tables cannot be modified.</p>
+</div></div>
+</p></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_13_0007.html">Table Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_13_0010.html b/docs/das/umn/das_13_0010.html
new file mode 100644
index 00000000..3faae959
--- /dev/null
+++ b/docs/das/umn/das_13_0010.html
@@ -0,0 +1,12 @@
+<a name="das_13_0010"></a><a name="das_13_0010"></a>
+
+<h1 class="topictitle1">Viewing Table Details</h1>
+<div id="body1581578961885"><div class="section" id="das_13_0010__section92015282488"><h4 class="sectiontitle">Procedure</h4><ol id="das_13_0010__ol020912236558"><li id="das_13_0010__li36501041115519"><span>On the top menu bar, choose<span class="uicontrol" id="das_13_0010__uicontrol94141687576"><b> Database Management</b></span>.</span></li><li id="das_13_0010__li13867454203016"><span>On the displayed <strong id="das_13_0010__b17449143125515">Objects</strong> tab, choose <strong id="das_13_0010__b8450154315552">Tables</strong> on the left, locate the target table, and click <strong id="das_13_0010__b16450164305511">View</strong> in the <strong id="das_13_0010__b34501443175518">Operation</strong> column.</span></li><li id="das_13_0010__li696971293415"><span>In the displayed dialog box, view basic information and SQL statements for database creation.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_13_0007.html">Table Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_13_0011.html b/docs/das/umn/das_13_0011.html
new file mode 100644
index 00000000..2bbc22df
--- /dev/null
+++ b/docs/das/umn/das_13_0011.html
@@ -0,0 +1,12 @@
+<a name="das_13_0011"></a><a name="das_13_0011"></a>
+
+<h1 class="topictitle1">Altering a Table</h1>
+<div id="body1581578963303"><div class="section" id="das_13_0011__section92015282488"><h4 class="sectiontitle">Procedure</h4><ol id="das_13_0011__ol020912236558"><li id="das_13_0011__li36501041115519"><span>On the top menu bar, choose <strong id="das_13_0011__b1229175831117">Database Management</strong>.</span></li><li id="das_13_0011__li985751719240"><span>On the displayed <strong id="das_13_0011__b1928614517111">Objects</strong> page, select <strong id="das_13_0011__b192861045181119">Tables</strong>, locate the target table, and click <span class="uicontrol" id="das_13_0011__uicontrol11286345181118"><b>Alter</b></span> in the <strong id="das_13_0011__b1728611458113">Operation</strong> column.</span></li><li id="das_13_0011__li9303194314333"><span>On the displayed page, modify information such as table name and character set. After the modification is complete, click <strong id="das_13_0011__b1673762218315">Alter</strong>.</span></li><li id="das_13_0011__li83001012272"><span>In the <strong id="das_13_0011__b181886181541">SQL Preview</strong> dialog box, click <strong id="das_13_0011__b1819314181043">Execute</strong>.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_13_0007.html">Table Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_13_0012.html b/docs/das/umn/das_13_0012.html
new file mode 100644
index 00000000..9c17dd9f
--- /dev/null
+++ b/docs/das/umn/das_13_0012.html
@@ -0,0 +1,12 @@
+<a name="das_13_0012"></a><a name="das_13_0012"></a>
+
+<h1 class="topictitle1">Renaming a Table</h1>
+<div id="body1581578963870"><div class="section" id="das_13_0012__section92015282488"><h4 class="sectiontitle">Procedure</h4><ol id="das_13_0012__ol020912236558"><li id="das_13_0012__li1353861725915"><span>On the top menu bar, choose <strong id="das_13_0012__b5605161310125">Database Management</strong>.</span></li><li id="das_13_0012__li985751719240"><span>On the displayed <strong id="das_13_0012__b19973151614126">Objects</strong> page, select <strong id="das_13_0012__b1973171619124">Tables</strong>, locate the target table, and click <strong id="das_13_0012__b159731216191220">Rename</strong> in the <strong id="das_13_0012__b197451613128">Operation</strong> column.</span></li><li id="das_13_0012__li9303194314333"><span>In the displayed dialog box, enter a new table name and click <strong id="das_13_0012__b982110521743">OK</strong>.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_13_0007.html">Table Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_13_0013.html b/docs/das/umn/das_13_0013.html
new file mode 100644
index 00000000..acc1be08
--- /dev/null
+++ b/docs/das/umn/das_13_0013.html
@@ -0,0 +1,14 @@
+<a name="das_13_0013"></a><a name="das_13_0013"></a>
+
+<h1 class="topictitle1">Clearing a Table</h1>
+<div id="body1581578964511"><div class="notice" id="das_13_0013__note66377071111037"><span class="noticetitle"><img src="public_sys-resources/notice_3.0-en-us.png"> </span><div class="noticebody"><p id="das_13_0013__p10249075175439">Cleared tables cannot be recovered. Exercise caution when performing this operation.</p>
+</div></div>
+<div class="section" id="das_13_0013__section92015282488"><h4 class="sectiontitle">Procedure</h4><ol id="das_13_0013__ol1154173917281"><li id="das_13_0013__li36501041115519"><span>On the top menu bar, choose <strong id="das_13_0013__b8325951311">Database Management</strong>.</span></li><li id="das_13_0013__li985751719240"><span>On the displayed <strong id="das_13_0013__b16296191219135">Objects</strong> page, select <strong id="das_13_0013__b132966122139">Tables</strong>, locate the target table, and choose <strong id="das_13_0013__b1929612124133">More</strong> &gt; <strong id="das_13_0013__b92961412171313">Clear</strong> in the <strong id="das_13_0013__b1129761211311">Operation</strong> column.</span></li><li id="das_13_0013__li98951641183415"><span>In the displayed dialog box, click <strong id="das_13_0013__b16792165613453">Yes</strong>.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_13_0007.html">Table Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_13_0014.html b/docs/das/umn/das_13_0014.html
new file mode 100644
index 00000000..9fb7dba9
--- /dev/null
+++ b/docs/das/umn/das_13_0014.html
@@ -0,0 +1,14 @@
+<a name="das_13_0014"></a><a name="das_13_0014"></a>
+
+<h1 class="topictitle1">Dropping a Table</h1>
+<div id="body1581578964957"><div class="notice" id="das_13_0014__note66377071111037"><span class="noticetitle"><img src="public_sys-resources/notice_3.0-en-us.png"> </span><div class="noticebody"><p id="das_13_0014__p10249075175439">Dropped tables cannot be recovered. Exercise caution when performing this operation.</p>
+</div></div>
+<div class="section" id="das_13_0014__section92015282488"><h4 class="sectiontitle">Procedure</h4><ol id="das_13_0014__ol020912236558"><li id="das_13_0014__li18552182917515"><span>On the top menu bar, choose <strong id="das_13_0014__b2030492819132">Database Management</strong>.</span></li><li id="das_13_0014__li985751719240"><span>On the displayed <strong id="das_13_0014__b142261630171312">Objects</strong> page, select <span class="uicontrol" id="das_13_0014__uicontrol122703012136"><b>Tables</b></span>, locate the target table, and choose <strong id="das_13_0014__b1227143013138">More</strong> &gt; <strong id="das_13_0014__b522793011313">Drop</strong> in the <strong id="das_13_0014__b32271130101315">Operation</strong> column.</span></li><li id="das_13_0014__li9303194314333"><span>In the displayed dialog box, click <strong id="das_13_0014__b1796361915143">Yes</strong>.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_13_0007.html">Table Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_13_0015.html b/docs/das/umn/das_13_0015.html
new file mode 100644
index 00000000..b984b21c
--- /dev/null
+++ b/docs/das/umn/das_13_0015.html
@@ -0,0 +1,27 @@
+<a name="das_13_0015"></a><a name="das_13_0015"></a>
+
+<h1 class="topictitle1">Maintaining a Table</h1>
+<div id="body1581578965740"><div class="section" id="das_13_0015__section60461353162212"><h4 class="sectiontitle">Scenarios</h4><p id="das_13_0015__p4287447473">While working with a database, you do a lot of changes to tables such as inserting, updating and deleting data. This occupies disk space and deteriorates database performance. To handle this, periodic maintenance is required.</p>
+</div>
+<div class="section" id="das_13_0015__section680705916178"><h4 class="sectiontitle">Functions</h4><ul id="das_13_0015__ul3273108171112"><li id="das_13_0015__li11273148101115">Optimize<p id="das_13_0015__p727328181118"><a name="das_13_0015__li11273148101115"></a><a name="li11273148101115"></a>Allows you to optimize tables using the OPTIMIZE TABLE statement and sort out fragmented files for later use.</p>
+<p id="das_13_0015__p3273148141120">During the optimization, a read-only lock will be added to target tables. Therefore, optimizing tables during off-peak hours is recommended.</p>
+</li><li id="das_13_0015__li627313813113">Check<p id="das_13_0015__p22737810110"><a name="das_13_0015__li627313813113"></a><a name="li627313813113"></a>Allows you to check whether there are errors in database tables using the CHECK TABLE statement. You can check a table with any of the following methods:</p>
+<ul id="das_13_0015__ul8448802357"><li id="das_13_0015__li341218453348"><strong id="das_13_0015__b534742481415">Check</strong>: Scan rows to verify that deleted links are valid. Alternatively, calculate a key checksum for the rows and verifies the validity using the obtained checksum.</li><li id="das_13_0015__li6439174513341"><strong id="das_13_0015__b4995132814613">Quick</strong>: Do not scan rows or check for incorrect links.</li><li id="das_13_0015__li124401945113412"><strong id="das_13_0015__b3142173216619">Fast</strong>: Check only tables that have not been closed properly.</li><li id="das_13_0015__li0440114523420"><strong id="das_13_0015__b91658421061">Changed</strong>: Check only tables that have been changed since the last check or tables that have not been closed properly.</li><li id="das_13_0015__li144154510349"><strong id="das_13_0015__b1122564417611">Extended</strong>: Search for keywords in each row.<p id="das_13_0015__p627320817118">The CHECK TABLE statement adds a read-only lock to the table.</p>
+</li></ul>
+</li><li id="das_13_0015__li1327328131115">Repair<p id="das_13_0015__p13273983112"><a name="das_13_0015__li1327328131115"></a><a name="li1327328131115"></a>Allows you to use the REPAIR TABLE statement to repair possibly corrupted or incorrect tables. You can repair tables using any of the following three methods:</p>
+<ul id="das_13_0015__ul14202142313513"><li id="das_13_0015__li12613717183515"><strong id="das_13_0015__b17887217182011">Repair</strong>: a simple repair, which repairs data and index files.</li><li id="das_13_0015__li8614151753519"><strong id="das_13_0015__b829791414450">Quick</strong>: the quickest repair, which repairs only index files, but not data files.</li><li id="das_13_0015__li161481763512"><strong id="das_13_0015__b1440017160459">Extended</strong>: the slowest repair, which creates indexes row by row to repair data and index files.</li></ul>
+</li><li id="das_13_0015__li42736821119">Analyze<p id="das_13_0015__p2027378191119"><a name="das_13_0015__li42736821119"></a><a name="li42736821119"></a>Allows you to use the ANALYZE TABLE statement to analyze tables. During the analysis, read-only locks are added to tables. Tables can only be read during the analysis.</p>
+<div class="note" id="das_13_0015__note1666015562183"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="das_13_0015__p823764133815">Temporary files will be generated during table optimization. These files may occupy twice the disk space of the current table data.</p>
+</div></div>
+</li></ul>
+</div>
+<div class="section" id="das_13_0015__section147601232144912"><h4 class="sectiontitle">Procedure</h4><p id="das_13_0015__p86861829195115">The following uses the <strong id="das_13_0015__b19372164211334">Check</strong> operation as an example to explain how to maintain tables.</p>
+<ol id="das_13_0015__ol188842054115319"><li id="das_13_0015__li58851754125313"><span>On the top menu bar, choose <strong id="das_13_0015__b9932801513">Database Management</strong>.</span></li><li id="das_13_0015__li05421250349"><span>On the displayed <strong id="das_13_0015__b181921317154">Objects</strong> page, select <span class="uicontrol" id="das_13_0015__uicontrol141939311156"><b>Tables</b></span>, locate the target table, and choose <strong id="das_13_0015__b619318312153">More</strong> &gt; <strong id="das_13_0015__b41931531171515">Maintain</strong> &gt; <strong id="das_13_0015__b1119313181515">Optimize</strong> in the <strong id="das_13_0015__b171931031151515">Operation</strong> column.</span></li><li id="das_13_0015__li10299183015541"><span>In the displayed dialog box, click <span class="uicontrol" id="das_13_0015__uicontrol470515519176"><b>Yes</b></span>.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_13_0007.html">Table Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_13_0017.html b/docs/das/umn/das_13_0017.html
new file mode 100644
index 00000000..03af9ce2
--- /dev/null
+++ b/docs/das/umn/das_13_0017.html
@@ -0,0 +1,21 @@
+<a name="das_13_0017"></a><a name="das_13_0017"></a>
+
+<h1 class="topictitle1">View Management</h1>
+<div id="body1581578966961"></div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_13_0018.html">Creating a View</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_13_0019.html">Opening a View</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_13_0020.html">Altering a View</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_13_0021.html">Dropping a View</a></strong><br>
+</li>
+</ul>
+
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_13_0004.html">Database Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_13_0018.html b/docs/das/umn/das_13_0018.html
new file mode 100644
index 00000000..63204cd2
--- /dev/null
+++ b/docs/das/umn/das_13_0018.html
@@ -0,0 +1,12 @@
+<a name="das_13_0018"></a><a name="das_13_0018"></a>
+
+<h1 class="topictitle1">Creating a View</h1>
+<div id="body1581578968190"><div class="section" id="das_13_0018__section831019159013"><h4 class="sectiontitle">Procedure</h4><ol id="das_13_0018__ol020912236558"><li id="das_13_0018__li36501041115519"><span>On the top menu bar, choose <strong id="das_13_0018__b3612145431518">Database Management</strong>. On the displayed <strong id="das_13_0018__b19617454111514">Objects</strong> page, select <strong id="das_13_0018__b1617954161515">Views</strong>, and click <strong id="das_13_0018__b18618454171510">Create View</strong>.</span></li><li id="das_13_0018__li9286173210297"><span>On the displayed page, specify information such as view name and definer as required and click <strong id="das_13_0018__b8707159171510">Create</strong>.</span></li><li id="das_13_0018__li1024214496301"><span>In the displayed dialog box, click <strong id="das_13_0018__b388118235116">Execute</strong>.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_13_0017.html">View Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_13_0019.html b/docs/das/umn/das_13_0019.html
new file mode 100644
index 00000000..b95ab490
--- /dev/null
+++ b/docs/das/umn/das_13_0019.html
@@ -0,0 +1,64 @@
+<a name="das_13_0019"></a><a name="das_13_0019"></a>
+
+<h1 class="topictitle1">Opening a View</h1>
+<div id="body1581578968882"><div class="section" id="das_13_0019__section92015282488"><h4 class="sectiontitle">Procedure</h4><ol id="das_13_0019__ol020912236558"><li id="das_13_0019__li36501041115519"><span>On the top menu bar, choose <strong id="das_13_0019__b1460441813162">Database Management</strong>. On the displayed <strong id="das_13_0019__b16608151851610">Objects</strong> tab, choose <strong id="das_13_0019__b8608318191618">Views</strong> on the left, locate the target view, and click <strong id="das_13_0019__b560915186161">Open</strong> in the <strong id="das_13_0019__b8609191811168">Operation</strong> column.</span></li><li id="das_13_0019__li23691341133319"><span>On the displayed page, check the view details directly or using <strong id="das_13_0019__b6147112261616">Where Condition</strong>.</span><p>
+<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="das_13_0019__table186871054192316" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Functions</caption><thead align="left"><tr id="das_13_0019__row1687654202311"><th align="left" class="cellrowborder" valign="top" width="27%" id="mcps1.3.1.2.2.2.1.2.3.1.1"><p id="das_13_0019__p176861154132319">Item</p>
+</th>
+<th align="left" class="cellrowborder" valign="top" width="73%" id="mcps1.3.1.2.2.2.1.2.3.1.2"><p id="das_13_0019__p66871954112312">Description</p>
+</th>
+</tr>
+</thead>
+<tbody><tr id="das_13_0019__row19304286346"><td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.1.2.2.2.1.2.3.1.1 "><p id="das_13_0019__p2651275557">Where Condition</p>
+</td>
+<td class="cellrowborder" valign="top" width="73%" headers="mcps1.3.1.2.2.2.1.2.3.1.2 "><p id="das_13_0019__p165827115514">Filters records.</p>
+</td>
+</tr>
+<tr id="das_13_0019__row12304168193412"><td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.1.2.2.2.1.2.3.1.1 "><p id="das_13_0019__p1027110536574">Copy Row</p>
+</td>
+<td class="cellrowborder" valign="top" width="73%" headers="mcps1.3.1.2.2.2.1.2.3.1.2 "><p id="das_13_0019__p1271205317572">Copies data of the selected row. Specifically, double-click the target row and then click <strong id="das_13_0019__b1438578215">Copy Row</strong>.</p>
+</td>
+</tr>
+<tr id="das_13_0019__row193047815346"><td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.1.2.2.2.1.2.3.1.1 "><p id="das_13_0019__p81162314">Copy Column</p>
+</td>
+<td class="cellrowborder" valign="top" width="73%" headers="mcps1.3.1.2.2.2.1.2.3.1.2 "><p id="das_13_0019__p1511172117">Allows you to copy all data in a column by selecting this column from the <strong id="das_13_0019__b19539103321613">Copy Column</strong> drop-down list.</p>
+</td>
+</tr>
+<tr id="das_13_0019__row1230413813342"><td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.1.2.2.2.1.2.3.1.1 "><p id="das_13_0019__p13892828195915">Column Settings</p>
+</td>
+<td class="cellrowborder" valign="top" width="73%" headers="mcps1.3.1.2.2.2.1.2.3.1.2 "><p id="das_13_0019__p589202819591">Allows you to set the columns you want to display.</p>
+</td>
+</tr>
+<tr id="das_13_0019__row130358103413"><td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.1.2.2.2.1.2.3.1.1 "><p id="das_13_0019__p12892328145917">Binary to Hexadecimal</p>
+</td>
+<td class="cellrowborder" valign="top" width="73%" headers="mcps1.3.1.2.2.2.1.2.3.1.2 "><p id="das_13_0019__p3892112814593">Prevents binary data in columns from being displayed as garbled characters. If there is binary data in columns, you must select this option.</p>
+</td>
+</tr>
+<tr id="das_13_0019__row10303108103415"><td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.1.2.2.2.1.2.3.1.1 "><p id="das_13_0019__p08912028115918">Refresh</p>
+</td>
+<td class="cellrowborder" valign="top" width="73%" headers="mcps1.3.1.2.2.2.1.2.3.1.2 "><p id="das_13_0019__p12891112810597">Allows you to update table data manually.</p>
+</td>
+</tr>
+<tr id="das_13_0019__row103031884348"><td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.1.2.2.2.1.2.3.1.1 "><p id="das_13_0019__p1389120281598">Row Details</p>
+</td>
+<td class="cellrowborder" valign="top" width="73%" headers="mcps1.3.1.2.2.2.1.2.3.1.2 "><p id="das_13_0019__p1389282835916">Shows the detailed information of a specified row.</p>
+</td>
+</tr>
+<tr id="das_13_0019__row15300583345"><td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.1.2.2.2.1.2.3.1.1 "><p id="das_13_0019__p6892628115917">Export</p>
+</td>
+<td class="cellrowborder" valign="top" width="73%" headers="mcps1.3.1.2.2.2.1.2.3.1.2 "><p id="das_13_0019__p20892428185915">Exports a maximum of 10,000 data records as CSV or SQL files.</p>
+</td>
+</tr>
+</tbody>
+</table>
+</div>
+<div class="note" id="das_13_0019__note1666015562183"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="das_13_0019__p10660656111818">View data can be only queried, but not be edited, because views do not have primary keys.</p>
+</div></div>
+</p></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_13_0017.html">View Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_13_0020.html b/docs/das/umn/das_13_0020.html
new file mode 100644
index 00000000..e3096d8c
--- /dev/null
+++ b/docs/das/umn/das_13_0020.html
@@ -0,0 +1,12 @@
+<a name="das_13_0020"></a><a name="das_13_0020"></a>
+
+<h1 class="topictitle1">Altering a View</h1>
+<div id="body1581578969794"><div class="section" id="das_13_0020__section92015282488"><h4 class="sectiontitle">Procedure</h4><ol id="das_13_0020__ol020912236558"><li id="das_13_0020__li23723103433"><span>On the top menu bar, choose <strong id="das_13_0020__b974418251717">Database Management</strong>. On the displayed <strong id="das_13_0020__b1174419271720">Objects</strong> tab, choose <span class="uicontrol" id="das_13_0020__uicontrol1274418211712"><b>Views</b></span> on the left, locate the target view, and click <span class="uicontrol" id="das_13_0020__uicontrol774416281714"><b>Alter</b></span> in the <strong id="das_13_0020__b474512271718">Operation</strong> column.</span></li><li id="das_13_0020__li9303194314333"><span>On the displayed page, modify the information including the security, algorithm, and view definition statement and click <strong id="das_13_0020__b69982032135415">Alter</strong>.</span></li><li id="das_13_0020__li029871314593"><span>In the displayed dialog box, click <strong id="das_13_0020__b123745114011">Execute</strong>.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_13_0017.html">View Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_13_0021.html b/docs/das/umn/das_13_0021.html
new file mode 100644
index 00000000..b8bb5623
--- /dev/null
+++ b/docs/das/umn/das_13_0021.html
@@ -0,0 +1,14 @@
+<a name="das_13_0021"></a><a name="das_13_0021"></a>
+
+<h1 class="topictitle1">Dropping a View</h1>
+<div id="body1581578970177"><div class="notice" id="das_13_0021__note66377071111037"><span class="noticetitle"><img src="public_sys-resources/notice_3.0-en-us.png"> </span><div class="noticebody"><p id="das_13_0021__p10249075175439">Dropped views cannot be recovered. Exercise caution when performing this operation.</p>
+</div></div>
+<div class="section" id="das_13_0021__section92015282488"><h4 class="sectiontitle">Procedure</h4><ol id="das_13_0021__ol020912236558"><li id="das_13_0021__li6372195813501"><span>On the top menu bar, choose <strong id="das_13_0021__b75991018111710">Database Management</strong>. On the displayed <strong id="das_13_0021__b1260412183176">Objects</strong> tab, choose <span class="uicontrol" id="das_13_0021__uicontrol260511861711"><b>Views</b></span> on the left, locate the target view, and click <span class="uicontrol" id="das_13_0021__uicontrol4605518111715"><b>Drop View</b></span> in the <strong id="das_13_0021__b6605191819177">Operation</strong> column.</span></li><li id="das_13_0021__li9303194314333"><span>In the displayed dialog box, click <strong id="das_13_0021__b42501351505">Yes</strong>.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_13_0017.html">View Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_13_0022.html b/docs/das/umn/das_13_0022.html
new file mode 100644
index 00000000..5eadef33
--- /dev/null
+++ b/docs/das/umn/das_13_0022.html
@@ -0,0 +1,19 @@
+<a name="das_13_0022"></a><a name="das_13_0022"></a>
+
+<h1 class="topictitle1">Event Management</h1>
+<div id="body1581578970178"></div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_13_0023.html">Creating an Event</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_13_0024.html">Altering an Event</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_13_0025.html">Dropping an Event</a></strong><br>
+</li>
+</ul>
+
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_13_0004.html">Database Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_13_0023.html b/docs/das/umn/das_13_0023.html
new file mode 100644
index 00000000..84af2780
--- /dev/null
+++ b/docs/das/umn/das_13_0023.html
@@ -0,0 +1,17 @@
+<a name="das_13_0023"></a><a name="das_13_0023"></a>
+
+<h1 class="topictitle1">Creating an Event</h1>
+<div id="body1581578970959"><div class="section" id="das_13_0023__section144661851598"><h4 class="sectiontitle">Scenarios</h4><ul id="das_13_0023__ul17870194024411"><li id="das_13_0023__li15871134064411">Create an event to periodically response to specific operations on databases.</li><li id="das_13_0023__li4871144010444">When <strong id="das_13_0023__b7793171324718">event_scheduler</strong> of an RDS DB instance is set to <strong id="das_13_0023__b1661619366474">ON</strong>, and the event function is enabled, you can manage events. When <strong id="das_13_0023__b159951412552">event_scheduler</strong> is set to <strong id="das_13_0023__b120202175513">OFF</strong>, but the event function is enabled, you can only create events and the events do not take effect.</li></ul>
+</div>
+<div class="section" id="das_13_0023__section192599166"><h4 class="sectiontitle">Procedure</h4><ol id="das_13_0023__ol15937185716454"><li id="das_13_0023__li9585135104611"><span>On the top menu bar, choose <strong id="das_13_0023__b1575554751714">Database Management</strong>. On the displayed <strong id="das_13_0023__b11760547151710">Objects</strong> page, select <strong id="das_13_0023__b6760194716172">Events</strong>, and click <strong id="das_13_0023__b13760947171719">Create Event</strong>.</span></li><li id="das_13_0023__li17244195816565"><span>Specify an event name (mandatory) and event definition statements (mandatory), set the execution time, status, and comment, and click <strong id="das_13_0023__b277085171715">Create</strong>.</span><p><ul id="das_13_0023__ul044317019123"><li id="das_13_0023__li2809103119123"><strong id="das_13_0023__b1390259111716">Event Definition Statements</strong><p id="das_13_0023__p82733361212">Indicates the SQL statements to be executed when a scheduled event is triggered.</p>
+</li><li id="das_13_0023__li32586251212"><strong id="das_13_0023__b19267138201816">Dropped upon expiration</strong><p id="das_13_0023__p4386182251210">Indicates that the event to be executed at a fixed time will be deleted after it is executed and the event to be executed in a scheduled cycle will be deleted at the specified time.</p>
+</li></ul>
+</p></li><li id="das_13_0023__li1308434173519"><span>In the displayed dialog box, click <strong id="das_13_0023__b0778162721811">Execute</strong>. If no error is reported, the event takes effect.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_13_0022.html">Event Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_13_0024.html b/docs/das/umn/das_13_0024.html
new file mode 100644
index 00000000..08a6382a
--- /dev/null
+++ b/docs/das/umn/das_13_0024.html
@@ -0,0 +1,14 @@
+<a name="das_13_0024"></a><a name="das_13_0024"></a>
+
+<h1 class="topictitle1">Altering an Event</h1>
+<div id="body1581578971839"><div class="section" id="das_13_0024__section1129215618518"><h4 class="sectiontitle">Scenarios</h4><p id="das_13_0024__p1510045820510">This section describes how to alter an event.</p>
+</div>
+<div class="section" id="das_13_0024__section226915276"><h4 class="sectiontitle">Procedure</h4><ol id="das_13_0024__ol15937185716454"><li id="das_13_0024__li15374151116329"><span>On the top menu bar, choose <strong id="das_13_0024__b45831446171814">Database Management</strong>. On the displayed <strong id="das_13_0024__b1258384661816">Objects</strong> page, select <span class="uicontrol" id="das_13_0024__uicontrol18583546191817"><b>Events</b></span>, locate the target event, and click <span class="uicontrol" id="das_13_0024__uicontrol1158394617183"><b>Alter</b></span> in the <strong id="das_13_0024__b2058424617180">Operation</strong> column.</span></li><li id="das_13_0024__li13968131894216"><span>On the displayed page, modify the required information and click <strong id="das_13_0024__b135364912183">Alter</strong>.</span></li><li id="das_13_0024__li171873714236"><span>In the displayed dialog box, click <strong id="das_13_0024__b44451416256">Execute</strong>.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_13_0022.html">Event Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_13_0025.html b/docs/das/umn/das_13_0025.html
new file mode 100644
index 00000000..7bbe628f
--- /dev/null
+++ b/docs/das/umn/das_13_0025.html
@@ -0,0 +1,14 @@
+<a name="das_13_0025"></a><a name="das_13_0025"></a>
+
+<h1 class="topictitle1">Dropping an Event</h1>
+<div id="body1581578972492"><div class="notice" id="das_13_0025__note66377071111037"><span class="noticetitle"><img src="public_sys-resources/notice_3.0-en-us.png"> </span><div class="noticebody"><p id="das_13_0025__p10249075175439">Dropped events cannot be recovered. Exercise caution when performing this operation.</p>
+</div></div>
+<div class="section" id="das_13_0025__section5105163875218"><h4 class="sectiontitle">Procedure</h4><ol id="das_13_0025__ol15937185716454"><li id="das_13_0025__li4668192315254"><span>On the top menu bar, choose <strong id="das_13_0025__b11624211197">Database Management</strong>. On the displayed <strong id="das_13_0025__b12622281916">Objects</strong> page, select <span class="uicontrol" id="das_13_0025__uicontrol2062821199"><b>Events</b></span>, locate the target event, and click <span class="uicontrol" id="das_13_0025__uicontrol1063926198"><b>Drop</b></span> in the <strong id="das_13_0025__b563142141918">Operation</strong> column.</span></li><li id="das_13_0025__li1168475814525"><span>In the displayed dialog box, click <strong id="das_13_0025__b16794211259">Yes</strong>.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_13_0022.html">Event Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_13_0026.html b/docs/das/umn/das_13_0026.html
new file mode 100644
index 00000000..1c2d9c6c
--- /dev/null
+++ b/docs/das/umn/das_13_0026.html
@@ -0,0 +1,19 @@
+<a name="das_13_0026"></a><a name="das_13_0026"></a>
+
+<h1 class="topictitle1">Stored Procedure Management</h1>
+<div id="body1581578972493"></div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_13_0027.html">Creating a Stored Procedure</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_13_0028.html">Altering or Executing a Stored Procedure</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_13_0029.html">Dropping a Stored Procedure</a></strong><br>
+</li>
+</ul>
+
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_13_0004.html">Database Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_13_0027.html b/docs/das/umn/das_13_0027.html
new file mode 100644
index 00000000..75e51032
--- /dev/null
+++ b/docs/das/umn/das_13_0027.html
@@ -0,0 +1,16 @@
+<a name="das_13_0027"></a><a name="das_13_0027"></a>
+
+<h1 class="topictitle1">Creating a Stored Procedure</h1>
+<div id="body1581578974224"><div class="section" id="das_13_0027__section739231415189"><h4 class="sectiontitle">Scenarios</h4><p id="das_13_0027__p1285119570271">A stored procedure consists of a set of SQL statements that can complete specific tasks or process complex services. This section describes how to create a stored procedure. You can use loop statements in a stored procedure to insert objects repeatedly.</p>
+</div>
+<div class="section" id="das_13_0027__section3107414122814"><h4 class="sectiontitle">Prerequisites</h4><ul id="das_13_0027__ul1421419595404"><li id="das_13_0027__li199561049161912">You have obtained the CREATE ROUTINE permission.</li><li id="das_13_0027__li117331210416">You have obtained the Execute permission.</li></ul>
+</div>
+<div class="section" id="das_13_0027__section1573305620545"><h4 class="sectiontitle">Procedure</h4><ol id="das_13_0027__ol15937185716454"><li id="das_13_0027__li9585135104611"><span>On the top menu bar, choose <strong id="das_13_0027__b10470537131918">Database Management</strong>. On the displayed <strong id="das_13_0027__b18475193716193">Objects</strong> page, select <strong id="das_13_0027__b2047519377190">Stored Procedures</strong>, and click <strong id="das_13_0027__b44756372192">Create Stored Procedure</strong>.</span></li><li id="das_13_0027__li11735722203116"><span>On the displayed page, enter the stored procedure name and description, and click <strong id="das_13_0027__b8253154213915">OK</strong>.</span></li><li id="das_13_0027__li3748145017342"><span>On the displayed page, click <strong id="das_13_0027__b10342942128">Option</strong>, set the required parameters, and click <strong id="das_13_0027__b153561963714">OK</strong>. Then, save and execute the stored procedure.</span></li><li id="das_13_0027__li152151535205611"><span>View the execution status in the <strong id="das_13_0027__b132979523194">Message</strong> area.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_13_0026.html">Stored Procedure Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_13_0028.html b/docs/das/umn/das_13_0028.html
new file mode 100644
index 00000000..9cdc08f7
--- /dev/null
+++ b/docs/das/umn/das_13_0028.html
@@ -0,0 +1,12 @@
+<a name="das_13_0028"></a><a name="das_13_0028"></a>
+
+<h1 class="topictitle1">Altering or Executing a Stored Procedure</h1>
+<div id="body1581578975452"><div class="section" id="das_13_0028__section183231805564"><h4 class="sectiontitle">Procedure</h4><ol id="das_13_0028__ol15937185716454"><li id="das_13_0028__li15374151116329"><span>On the top menu bar, choose <strong id="das_13_0028__b36731420192010">Database Management</strong>. On the displayed <strong id="das_13_0028__b1867422018203">Objects</strong> tab, choose <span class="uicontrol" id="das_13_0028__uicontrol126741208206"><b>Stored Procedures</b></span> on the left, locate the target procedure, and click <span class="uicontrol" id="das_13_0028__uicontrol12674182072018"><b>Alter or Execute</b></span> in the <strong id="das_13_0028__b1367419203209">Operation</strong> column.</span></li><li id="das_13_0028__li18484204912311"><span>On the displayed page, click <strong id="das_13_0028__b1597142342010">Option</strong> to set parameters as required and click <strong id="das_13_0028__b1997682315209">OK</strong>. Then, click <strong id="das_13_0028__b1897662315201">Save</strong>.</span></li><li id="das_13_0028__li1124843983"><span>Execute the stored procedure and view the execution status in the <strong id="das_13_0028__b1857328132016">Message</strong> area.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_13_0026.html">Stored Procedure Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_13_0029.html b/docs/das/umn/das_13_0029.html
new file mode 100644
index 00000000..eb6057a6
--- /dev/null
+++ b/docs/das/umn/das_13_0029.html
@@ -0,0 +1,14 @@
+<a name="das_13_0029"></a><a name="das_13_0029"></a>
+
+<h1 class="topictitle1">Dropping a Stored Procedure</h1>
+<div id="body1581578975914"><div class="notice" id="das_13_0029__note66377071111037"><span class="noticetitle"><img src="public_sys-resources/notice_3.0-en-us.png"> </span><div class="noticebody"><p id="das_13_0029__p10249075175439">Dropped stored procedures cannot be recovered. Exercise caution when performing this operation.</p>
+</div></div>
+<div class="section" id="das_13_0029__section295911254916"><h4 class="sectiontitle">Procedure</h4><ol id="das_13_0029__ol18960925691"><li id="das_13_0029__li4668192315254"><span>On the top menu bar, choose <strong id="das_13_0029__b3577157132111">Database Management</strong>. On the displayed <strong id="das_13_0029__b857711575214">Objects</strong> tab, choose <span class="uicontrol" id="das_13_0029__uicontrol185775571219"><b>Stored Procedures</b></span> on the left, locate the target procedure, and click <span class="uicontrol" id="das_13_0029__uicontrol17578257142110"><b>Drop</b></span> in the <strong id="das_13_0029__b125781857142113">Operation</strong> column.</span></li><li id="das_13_0029__li1168475814525"><span>In the displayed dialog box, click <strong id="das_13_0029__b1243975933611">Yes</strong>.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_13_0026.html">Stored Procedure Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_13_0030.html b/docs/das/umn/das_13_0030.html
new file mode 100644
index 00000000..7b532dff
--- /dev/null
+++ b/docs/das/umn/das_13_0030.html
@@ -0,0 +1,19 @@
+<a name="das_13_0030"></a><a name="das_13_0030"></a>
+
+<h1 class="topictitle1">Function Management</h1>
+<div id="body1581578975915"></div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_13_0031.html">Creating a Function</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_13_0032.html">Altering or Executing a Function</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_13_0033.html">Dropping a Function</a></strong><br>
+</li>
+</ul>
+
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_13_0004.html">Database Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_13_0031.html b/docs/das/umn/das_13_0031.html
new file mode 100644
index 00000000..e18a3258
--- /dev/null
+++ b/docs/das/umn/das_13_0031.html
@@ -0,0 +1,12 @@
+<a name="das_13_0031"></a><a name="das_13_0031"></a>
+
+<h1 class="topictitle1">Creating a Function</h1>
+<div id="body1581578977759"><div class="section" id="das_13_0031__section1573305620545"><h4 class="sectiontitle">Procedure</h4><ol id="das_13_0031__ol15937185716454"><li id="das_13_0031__li9585135104611"><span>On the top menu bar, choose <strong id="das_13_0031__b1670917892213">Database Management</strong>. On the displayed <strong id="das_13_0031__b1471312812213">Objects</strong> page, select <strong id="das_13_0031__b67144892219">Functions</strong>, and click <strong id="das_13_0031__b19714589225">Create Function</strong>.</span></li><li id="das_13_0031__li1058695125617"><span>In the displayed dialog box, specify the function name, returned value, and description, and click <strong id="das_13_0031__b155041411152218">OK</strong>.</span></li><li id="das_13_0031__li84521329145119"><span>On the displayed page, edit the function body.</span></li><li id="das_13_0031__li1842951181611"><span>In the upper left corner, click <strong id="das_13_0031__b190141819225">Option</strong>. In the displayed dialog box, set required parameters and click <strong id="das_13_0031__b995118122210">OK</strong>.</span></li><li id="das_13_0031__li142461358141620"><span>Click <strong id="das_13_0031__b716017237225">Save</strong>, or click <strong id="das_13_0031__b141651423132219">Execute</strong> and view the status in the <strong id="das_13_0031__b1916515234224">Message</strong> area.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_13_0030.html">Function Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_13_0032.html b/docs/das/umn/das_13_0032.html
new file mode 100644
index 00000000..40e64f97
--- /dev/null
+++ b/docs/das/umn/das_13_0032.html
@@ -0,0 +1,12 @@
+<a name="das_13_0032"></a><a name="das_13_0032"></a>
+
+<h1 class="topictitle1">Altering or Executing a Function</h1>
+<div id="body1581578978618"><div class="section" id="das_13_0032__section1157219584419"><h4 class="sectiontitle">Procedure</h4><ol id="das_13_0032__ol15937185716454"><li id="das_13_0032__li15374151116329"><span>On the top menu bar, choose <strong id="das_13_0032__b17281340112214">Database Management</strong>. On the <strong id="das_13_0032__b15281940192210">Objects</strong> page, select <strong id="das_13_0032__b18291740182212">Functions</strong>, locate the target function, and click <strong id="das_13_0032__b1529174016229">Alter or Execute Function</strong> in the <strong id="das_13_0032__b4291540172218">Operation</strong> column.</span></li><li id="das_13_0032__li14338051104311"><span>On the displayed page, click <strong id="das_13_0032__b6652544182217">Option</strong> and set parameters as required. Then, click <strong id="das_13_0032__b6652844182217">Save</strong> to save the settings or click <strong id="das_13_0032__b765234432216">Execute</strong> to invoke the function.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_13_0030.html">Function Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_13_0033.html b/docs/das/umn/das_13_0033.html
new file mode 100644
index 00000000..031c05c6
--- /dev/null
+++ b/docs/das/umn/das_13_0033.html
@@ -0,0 +1,14 @@
+<a name="das_13_0033"></a><a name="das_13_0033"></a>
+
+<h1 class="topictitle1">Dropping a Function</h1>
+<div id="body1581578979073"><div class="notice" id="das_13_0033__note66377071111037"><span class="noticetitle"><img src="public_sys-resources/notice_3.0-en-us.png"> </span><div class="noticebody"><p id="das_13_0033__p10249075175439">Dropped functions cannot be recovered. Exercise caution when performing this operation.</p>
+</div></div>
+<div class="section" id="das_13_0033__section1427115012504"><h4 class="sectiontitle">Procedure</h4><ol id="das_13_0033__ol15937185716454"><li id="das_13_0033__li10481428104417"><span>On the top menu bar, choose <strong id="das_13_0033__b17204135412212">Database Management</strong>. On the displayed <strong id="das_13_0033__b102081854182218">Objects</strong> page, select <span class="uicontrol" id="das_13_0033__uicontrol620935417227"><b>Functions</b></span>, locate the target function, and click <span class="uicontrol" id="das_13_0033__uicontrol12091854202220"><b>Drop Function</b></span> in the <strong id="das_13_0033__b1120935418229">Operation</strong> column.</span></li><li id="das_13_0033__li1168475814525"><span>In the displayed dialog box, click <strong id="das_13_0033__b9525115154711">Yes</strong>.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_13_0030.html">Function Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_13_0035.html b/docs/das/umn/das_13_0035.html
new file mode 100644
index 00000000..e697a517
--- /dev/null
+++ b/docs/das/umn/das_13_0035.html
@@ -0,0 +1,19 @@
+<a name="das_13_0035"></a><a name="das_13_0035"></a>
+
+<h1 class="topictitle1">Trigger Management</h1>
+<div id="body1581677305359"></div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_13_0036.html">Creating a Trigger</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_13_0038.html">Altering a Trigger</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_13_0039.html">Dropping a Trigger</a></strong><br>
+</li>
+</ul>
+
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_13_0004.html">Database Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_13_0036.html b/docs/das/umn/das_13_0036.html
new file mode 100644
index 00000000..27070a28
--- /dev/null
+++ b/docs/das/umn/das_13_0036.html
@@ -0,0 +1,12 @@
+<a name="das_13_0036"></a><a name="das_13_0036"></a>
+
+<h1 class="topictitle1">Creating a Trigger</h1>
+<div id="body1581677306682"><div class="section" id="das_13_0036__section831019159013"><h4 class="sectiontitle">Procedure</h4><ol id="das_13_0036__ol020912236558"><li id="das_13_0036__li36501041115519"><span>On the top menu bar, choose <strong id="das_13_0036__b10992126202413">Database Management</strong>. On the displayed <strong id="das_13_0036__b1399310662420">Objects</strong> page, choose <strong id="das_13_0036__b2099317612241">Triggers</strong>, and click <strong id="das_13_0036__b89932642410">Create Trigger</strong>.</span></li><li id="das_13_0036__li2053717598318"><span>On the displayed page, set required parameters and edit trigger definition statements. Then, click <strong id="das_13_0036__b147271110132413">Create</strong>.</span></li><li id="das_13_0036__li2023211232618"><span>In the displayed dialog box, click <strong id="das_13_0036__b84864461365">Execute</strong>.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_13_0035.html">Trigger Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_13_0038.html b/docs/das/umn/das_13_0038.html
new file mode 100644
index 00000000..a2879691
--- /dev/null
+++ b/docs/das/umn/das_13_0038.html
@@ -0,0 +1,12 @@
+<a name="das_13_0038"></a><a name="das_13_0038"></a>
+
+<h1 class="topictitle1">Altering a Trigger</h1>
+<div id="body1581677308135"><div class="section" id="das_13_0038__section831019159013"><h4 class="sectiontitle">Procedure</h4><ol id="das_13_0038__ol161268231290"><li id="das_13_0038__li15374151116329"><span>On the top menu bar, choose <strong id="das_13_0038__b7151138122415">Database Management</strong>. On the displayed <strong id="das_13_0038__b202013811249">Objects</strong> page, select <span class="uicontrol" id="das_13_0038__uicontrol1421113882416"><b>Triggers</b></span>, locate the target trigger, and click <span class="uicontrol" id="das_13_0038__uicontrol82163842417"><b>Alter</b></span> in the <strong id="das_13_0038__b112173818246">Operation</strong> column.</span></li><li id="das_13_0038__li1113111219336"><span>On the displayed page, modify the required parameters and click <strong id="das_13_0038__b112524252410">Alter</strong>.</span></li><li id="das_13_0038__li180022213344"><span>In the displayed dialog box, click <strong id="das_13_0038__b129701158814">Execute</strong>.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_13_0035.html">Trigger Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_13_0039.html b/docs/das/umn/das_13_0039.html
new file mode 100644
index 00000000..67ca285c
--- /dev/null
+++ b/docs/das/umn/das_13_0039.html
@@ -0,0 +1,14 @@
+<a name="das_13_0039"></a><a name="das_13_0039"></a>
+
+<h1 class="topictitle1">Dropping a Trigger</h1>
+<div id="body1581677308517"><div class="notice" id="das_13_0039__note66377071111037"><span class="noticetitle"><img src="public_sys-resources/notice_3.0-en-us.png"> </span><div class="noticebody"><p id="das_13_0039__p10249075175439">Dropped triggers cannot be recovered. Exercise caution when performing this operation.</p>
+</div></div>
+<div class="section" id="das_13_0039__section831019159013"><h4 class="sectiontitle">Procedure</h4><ol id="das_13_0039__ol161268231290"><li id="das_13_0039__li12126323182915"><span>On the top menu bar, choose <strong id="das_13_0039__b192905554242">Database Management</strong>. On the displayed <strong id="das_13_0039__b52941655112415">Objects</strong> page, select <span class="uicontrol" id="das_13_0039__uicontrol10295165518242"><b>Triggers</b></span>, locate the target trigger, and click <span class="uicontrol" id="das_13_0039__uicontrol1629535512242"><b>Drop</b></span> in the <strong id="das_13_0039__b1129505516249">Operation</strong> column.</span></li><li id="das_13_0039__li1113111219336"><span>In the displayed dialog box, click <strong id="das_13_0039__b1127121151410">Yes</strong>.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_13_0035.html">Trigger Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_13_0040.html b/docs/das/umn/das_13_0040.html
new file mode 100644
index 00000000..5b311e9e
--- /dev/null
+++ b/docs/das/umn/das_13_0040.html
@@ -0,0 +1,17 @@
+<a name="das_13_0040"></a><a name="das_13_0040"></a>
+
+<h1 class="topictitle1">SQL Operations</h1>
+<div id="body1581677308518"></div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_13_0041.html">SQL Window</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_13_0042.html">SQL History</a></strong><br>
+</li>
+</ul>
+
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_13_0001.html">GaussDB(for MySQL) DB Instance Management (Development Tool)</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_13_0041.html b/docs/das/umn/das_13_0041.html
new file mode 100644
index 00000000..b0e69231
--- /dev/null
+++ b/docs/das/umn/das_13_0041.html
@@ -0,0 +1,15 @@
+<a name="das_13_0041"></a><a name="das_13_0041"></a>
+
+<h1 class="topictitle1">SQL Window</h1>
+<div id="body1581677309379"><div class="section" id="das_13_0041__section92015282488"><h4 class="sectiontitle">Procedure</h4><ol id="das_13_0041__ol11700203645918"><li id="das_13_0041__li865994011591"><span>On the top menu bar, click <span class="uicontrol" id="das_13_0041__uicontrol168571335182511"><b>SQL Window</b></span> or choose <span class="uicontrol" id="das_13_0041__uicontrol7862203582517"><b>SQL Operations</b></span> &gt; <span class="uicontrol" id="das_13_0041__uicontrol11862193517258"><b>SQL Window</b></span>.</span></li><li id="das_13_0041__li8579140123110"><span>In the navigation pane, select a database, and then specify a table or view.</span><p><ul id="das_13_0041__ul17210456356"><li id="das_13_0041__li202245103514"><strong id="das_13_0041__b14909421112611">Execute SQL</strong>: executes SQL statements.</li><li id="das_13_0041__li396220232367"><strong id="das_13_0041__b1161592372615">Tune SQL</strong>: queries the SQL statements that are executed frequently, consume a large amount of resources, or take a long time to execute.</li><li id="das_13_0041__li13699150113619"><strong id="das_13_0041__b59431625162611">Execute SQL Plan</strong>: reports the execution of SQL statements to facilitate troubleshooting and optimize SQL processing performance.</li><li id="das_13_0041__li0990852375"><strong id="das_13_0041__b1054915273262">SQL Favorites</strong>: allows you to add, view, and manage frequently used SQL statements.</li><li id="das_13_0041__li11462123151415"><strong id="das_13_0041__b27113914214">Format SQL</strong>: improves the readability of SQL statements. Formatting SQL statements enables statements to be displayed in line break mode, but does not change their logic and semantics.<p id="das_13_0041__p9241133211126">The formatting takes effect for all the SQL statements in the SQL window. You cannot format only the selected statements.</p>
+</li><li id="das_13_0041__li19176413183214"><strong id="das_13_0041__b10316174316211">SQL Input Prompt</strong>: helps you to select your desired database, table, or field name as prompted to quickly enter statements in the SQL window.</li><li id="das_13_0041__li1962131717358">Overwrite/Append Mode:<ul id="das_13_0041__ul18375142712350"><li id="das_13_0041__li0509132333515"><strong id="das_13_0041__b5421848227">Append Mode:</strong> Each time a SQL statement is executed, the new result set is appended to the previous one.</li><li id="das_13_0041__li387121993417"><strong id="das_13_0041__b4349114911214">Overwrite Mode</strong>: Each time a SQL statement is executed, the new result set overwrites the previous one.</li></ul>
+</li><li id="das_13_0041__li1060919373347"><strong id="das_13_0041__b145499501426">Full Screen</strong>: shows SQL statements on a full screen.</li></ul>
+</p></li><li id="das_13_0041__li28521633134514"><span>After SQL statements are executed, view SQL execution status on the <span class="uicontrol" id="das_13_0041__uicontrol371485611216"><b>Executed SQL Statements</b></span>, <span class="uicontrol" id="das_13_0041__uicontrol1272314561529"><b>Messages</b></span>, and <span class="uicontrol" id="das_13_0041__uicontrol11724125610210"><b>Result Set</b></span> tab pages.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_13_0040.html">SQL Operations</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_13_0042.html b/docs/das/umn/das_13_0042.html
new file mode 100644
index 00000000..18a92229
--- /dev/null
+++ b/docs/das/umn/das_13_0042.html
@@ -0,0 +1,13 @@
+<a name="das_13_0042"></a><a name="das_13_0042"></a>
+
+<h1 class="topictitle1">SQL History</h1>
+<div id="body1582183442481"><div class="section" id="das_13_0042__section11762204110325"><h4 class="sectiontitle">Procedure</h4><ol id="das_13_0042__ol1976311419326"><li id="das_13_0042__li865994011591"><span>On the top menu bar, choose <strong id="das_13_0042__b48641457122611">SQL Operations</strong> &gt; <strong id="das_13_0042__b88688574263">SQL History</strong>.</span></li><li id="das_13_0042__li12855234373"><span>On the displayed page, search for execution information about the target SQL statement by time range, database name, or keyword.</span><p><ul id="das_13_0042__ul990463320269"><li id="das_13_0042__li19904183372617">To access the <strong id="das_13_0042__b139843113274">Database Management</strong> page, click a database name.</li><li id="das_13_0042__li13280101315273">To copy and use your required SQL statements, click the SQL statement in the <strong id="das_13_0042__b12176159273">SQL Statement</strong> column.</li><li id="das_13_0042__li10794316182815">To directly execute a SQL statement, click <strong id="das_13_0042__b11768141732714">Open in SQL Window</strong> in the <strong id="das_13_0042__b15768131715270">Operation</strong> column.</li></ul>
+</p></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_13_0040.html">SQL Operations</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_13_0047.html b/docs/das/umn/das_13_0047.html
new file mode 100644
index 00000000..7fd1d023
--- /dev/null
+++ b/docs/das/umn/das_13_0047.html
@@ -0,0 +1,17 @@
+<a name="das_13_0047"></a><a name="das_13_0047"></a>
+
+<h1 class="topictitle1">Import and Export</h1>
+<div id="body1582029082700"></div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_13_0048.html">Data Import</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_13_0049.html">Data Export</a></strong><br>
+</li>
+</ul>
+
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_13_0001.html">GaussDB(for MySQL) DB Instance Management (Development Tool)</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_13_0048.html b/docs/das/umn/das_13_0048.html
new file mode 100644
index 00000000..63a047c1
--- /dev/null
+++ b/docs/das/umn/das_13_0048.html
@@ -0,0 +1,23 @@
+<a name="das_13_0048"></a><a name="das_13_0048"></a>
+
+<h1 class="topictitle1">Data Import</h1>
+<div id="body1582029082701"><div class="section" id="das_13_0048__section60461353162212"><h4 class="sectiontitle">Scenarios</h4><p id="das_13_0048__p838663920460">Import data into a table for backup or data migration. The table structure to be imported must be the same as that of the target table. If you import a CSV or SQL file, the data type of the target table must be the same. The imported file should be no larger than 10 GB.</p>
+</div>
+<div class="section" id="das_13_0048__section5642820121812"><h4 class="sectiontitle">Procedure</h4><ol id="das_13_0048__ol954991264919"><li id="das_13_0048__li75504128499"><span>On the top menu bar, choose <strong id="das_13_0048__b173171492915">Import and Export</strong> &gt; <strong id="das_13_0048__b1378171410295">Import</strong>.</span></li><li id="das_13_0048__li14606735163019"><span>Import a file from your local PC or an OBS bucket.</span><p><ul id="das_13_0048__ul15476152010323"><li id="das_13_0048__li1747622003210">From your local PC</li></ul>
+<p id="das_13_0048__p16890194123212">In the upper left corner, click <span class="uicontrol" id="das_13_0048__uicontrol1533113814421"><b>Create Task</b></span>. On the displayed page, select an import type, select <span class="uicontrol" id="das_13_0048__uicontrol1454043819428"><b>Upload file</b></span> for <strong id="das_13_0048__b554183817420">File Source</strong>, set the attachment storage, and upload the file. Then, set other parameters as required.</p>
+<p id="das_13_0048__p1068911442720">For security purposes, imported files are stored in OBS buckets.</p>
+<div class="note" id="das_13_0048__note11568145963212"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="das_13_0048__ul151961642185010"><li id="das_13_0048__li121962425502">To keep your data secure, provide your own OBS bucket to store the attachments you upload. In this way, DAS automatically connects to your OBS bucket for in-memory reading.</li><li id="das_13_0048__li1811151171211">If you select <strong id="das_13_0048__b3150102725612">Delete the uploaded file upon an import success</strong>, the file you upload will be automatically deleted from the OBS bucket after being imported to the destination database.</li></ul>
+</div></div>
+<ul id="das_13_0048__ul135478113356"><li id="das_13_0048__li1547101114353">From an OBS bucket<p id="das_13_0048__p1373115163614"><a name="das_13_0048__li1547101114353"></a><a name="li1547101114353"></a>In the upper left corner, click <span class="uicontrol" id="das_13_0048__uicontrol176511857114317"><b>Create Task</b></span>. On the displayed page, select an import type, select <span class="uicontrol" id="das_13_0048__uicontrol26597572435"><b>Choose from OBS</b></span> for <strong id="das_13_0048__b565925794315">File Source</strong>, and select a file from the bucket. Then, set other parameters as required.</p>
+</li></ul>
+<div class="note" id="das_13_0048__note15533129153"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="das_13_0048__p14541812111520">The file uploaded from an OBS bucket will not be deleted upon an import success.</p>
+</div></div>
+</p></li><li id="das_13_0048__li6820348191217"><span>After setting the import parameters, click <span class="uicontrol" id="das_13_0048__uicontrol1656733832913"><b>Create</b></span>. Confirm the information again before you click <strong id="das_13_0048__b189407422291">OK</strong> because original data may be overwritten after data import.</span></li><li id="das_13_0048__li145843244818"><span>View the import progress in the task list or check task details.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_13_0047.html">Import and Export</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_13_0049.html b/docs/das/umn/das_13_0049.html
new file mode 100644
index 00000000..b1c4adeb
--- /dev/null
+++ b/docs/das/umn/das_13_0049.html
@@ -0,0 +1,17 @@
+<a name="das_13_0049"></a><a name="das_13_0049"></a>
+
+<h1 class="topictitle1">Data Export</h1>
+<div id="body1582029084337"><div class="section" id="das_13_0049__section60461353162212"><h4 class="sectiontitle">Scenarios</h4><p id="das_13_0049__p4287447473">DAS supports pagination query to meet your requirements for querying large amounts of data. You can export all the data at a time when backing up or migrating data.</p>
+</div>
+<div class="section" id="das_13_0049__section18193850204214"><h4 class="sectiontitle">Procedure</h4><ol id="das_13_0049__ol11642542194818"><li id="das_13_0049__li196931101612"><span>On the top menu bar, choose <strong id="das_13_0049__b9508171513011">Import and Export</strong> &gt; <strong id="das_13_0049__b17509161573014">Export</strong>.</span></li><li id="das_13_0049__li19543219454"><span>On the displayed page, click <strong id="das_13_0049__b02261318103011">Create Task</strong> and choose <strong id="das_13_0049__b422691819308">Export Database</strong> or <strong id="das_13_0049__b1022617189304">Export SQL Result</strong> as required. The following takes database export as an example.</span><p><p id="das_13_0049__p1494911421134">Alternatively, click <span class="uicontrol" id="das_13_0049__uicontrol4514142318308"><b>Quick Export</b></span> and select the target database. On the displayed page, select a storage path and click <strong id="das_13_0049__b13518723163017">OK</strong>.</p>
+</p></li><li id="das_13_0049__li11471916598"><span>On the displayed page, set parameters as required in areas <strong id="das_13_0049__b3227936154616">Basic Information</strong> and <strong id="das_13_0049__b72361936184616">Advanced Settings</strong>. Then, select the tables to be exported on the right.</span><p><div class="note" id="das_13_0049__note9781441181610"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="das_13_0049__p1778184118165">DAS connects to your standby database to export data. This prevents the primary database from being affected by data export. However, if the standby database has a high replication delay, the exported data may not be the latest.</p>
+</div></div>
+</p></li><li id="das_13_0049__li11439175804"><span>After settings are complete, click <strong id="das_13_0049__b448203514305">OK</strong>.</span></li><li id="das_13_0049__li92619315319"><span>In the task list, view the task ID, type, status, and progress.</span></li><li id="das_13_0049__li15086018120"><span>Click <strong id="das_13_0049__b891718126112">Details</strong> in the <strong id="das_13_0049__b17918111271113">Operation</strong> column to view task details.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_13_0047.html">Import and Export</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_13_0050.html b/docs/das/umn/das_13_0050.html
new file mode 100644
index 00000000..fbbc90a8
--- /dev/null
+++ b/docs/das/umn/das_13_0050.html
@@ -0,0 +1,15 @@
+<a name="das_13_0050"></a><a name="das_13_0050"></a>
+
+<h1 class="topictitle1">Structure Management</h1>
+<div id="body1582029084338"></div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_13_0051.html">Table Structure Comparison and Synchronization</a></strong><br>
+</li>
+</ul>
+
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_13_0001.html">GaussDB(for MySQL) DB Instance Management (Development Tool)</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_13_0051.html b/docs/das/umn/das_13_0051.html
new file mode 100644
index 00000000..89725158
--- /dev/null
+++ b/docs/das/umn/das_13_0051.html
@@ -0,0 +1,15 @@
+<a name="das_13_0051"></a><a name="das_13_0051"></a>
+
+<h1 class="topictitle1">Table Structure Comparison and Synchronization</h1>
+<div id="body1582029085486"><div class="section" id="das_13_0051__section106881527383"><h4 class="sectiontitle">Scenarios</h4><p id="das_13_0051__p093416617386">When you perform a migration or verification, you can check the structure difference by comparing and synchronizing table structures.</p>
+</div>
+<div class="section" id="das_13_0051__section9467125793919"><h4 class="sectiontitle">Procedure</h4><ol id="das_13_0051__ol114685574398"><li id="das_13_0051__li1696710012312"><span>On the top menu bar, choose <strong id="das_13_0051__b5263122519458">Structure Management</strong> &gt; <strong id="das_13_0051__b326352513453">Table Structure Comparison and Synchronization</strong>.</span><p><p id="das_13_0051__p67812113316">Search for tasks by task status and view task details.</p>
+</p></li><li id="das_13_0051__li876044612294"><span>On the displayed page, click <strong id="das_13_0051__b5183112917458">Create Task</strong> in the upper left corner.</span></li><li id="das_13_0051__li321582193116"><span>On the displayed page, specify the source database, target instance, target database, error tolerance, and synchronization type. Click <strong id="das_13_0051__b0683203314481">Next</strong>.</span></li><li id="das_13_0051__li198741431184418"><span>View comparison objects and click <strong id="das_13_0051__b623861115178">Compare</strong>.</span></li><li id="das_13_0051__li6428362447"><span>View the comparison progress. In the comparison item list, click <strong id="das_13_0051__b1093974074518">View Logs</strong> in the <strong id="das_13_0051__b994404064513">Operation</strong> column to obtain comparison details. You can also click <strong id="das_13_0051__b394524010456">Download DDL</strong> as needed.</span></li><li id="das_13_0051__li1168811212419"><span>Click <strong id="das_13_0051__b2442104617455">Next</strong>. On the <strong id="das_13_0051__b1744384618456">Synchronize</strong> page, view the basic information about this comparison task, such as the source instance, source database, target instance, target database, and synchronization type, and specify the items to be synchronized.</span></li><li id="das_13_0051__li2868121416399"><span>Skip synchronization items that may cause high risks and click <strong id="das_13_0051__b0522185017458">Synchronize</strong>.</span></li><li id="das_13_0051__li213616498476"><span>After synchronization is complete, click <strong id="das_13_0051__b1777025415450">View Logs</strong> in the <strong id="das_13_0051__b17741554134517">Operation</strong> column to obtain comparison details. You can download DDL as required.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_13_0050.html">Structure Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_13_0052.html b/docs/das/umn/das_13_0052.html
new file mode 100644
index 00000000..f4ed86df
--- /dev/null
+++ b/docs/das/umn/das_13_0052.html
@@ -0,0 +1,15 @@
+<a name="das_13_0052"></a><a name="das_13_0052"></a>
+
+<h1 class="topictitle1">Data Scheme</h1>
+<div id="body1582104263970"></div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_13_0053.html">Data Generator</a></strong><br>
+</li>
+</ul>
+
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_13_0001.html">GaussDB(for MySQL) DB Instance Management (Development Tool)</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_13_0053.html b/docs/das/umn/das_13_0053.html
new file mode 100644
index 00000000..c5c87020
--- /dev/null
+++ b/docs/das/umn/das_13_0053.html
@@ -0,0 +1,19 @@
+<a name="das_13_0053"></a><a name="das_13_0053"></a>
+
+<h1 class="topictitle1">Data Generator</h1>
+<div id="body1582104267365"><div class="section" id="das_13_0053__section60461353162212"><h4 class="sectiontitle">Scenarios</h4><p id="das_13_0053__p93731347103812">DAS can automatically generate test data according to certain rules. This test data can be inserted into a database to test program functions. This section describes how to generate test data according to the predefined rules.</p>
+</div>
+<div class="section" id="das_13_0053__section1655192615533"><h4 class="sectiontitle">Procedure</h4><ol id="das_13_0053__ol15937185716454"><li id="das_13_0053__li766462453215"><span>On the top menu bar, choose <strong id="das_13_0053__b656282616466">Data Scheme</strong> &gt; <strong id="das_13_0053__b65671926114613">Data Generator</strong>.</span></li><li id="das_13_0053__li54872196213"><span>On the displayed page, click <span class="uicontrol" id="das_13_0053__uicontrol1547613295463"><b>Create Task</b></span>. In the displayed dialog box, configure the required parameters.</span><p><ul id="das_13_0053__ul254411614213"><li id="das_13_0053__li1954441613212">Rows to Generate<p id="das_13_0053__p145441916192115"><a name="das_13_0053__li1954441613212"></a><a name="li1954441613212"></a>A maximum of 1,000,000 rows of data can be generated.</p>
+</li></ul>
+<ul id="das_13_0053__ul171426816237"><li id="das_13_0053__li654413162216">Conflict Policy<p id="das_13_0053__p16545171617212"><a name="das_13_0053__li654413162216"></a><a name="li654413162216"></a>If you select <strong id="das_13_0053__b969472234016">Skip</strong>, the system skips data rows in conflict and continues generating data. If you select <strong id="das_13_0053__b11695322134014">Replace</strong>, the system replaces existing rows with new ones that have the same primary key.</p>
+</li><li id="das_13_0053__li6545316182119">Generation Type<p id="das_13_0053__p6447191544"><a name="das_13_0053__li6545316182119"></a><a name="li6545316182119"></a>On the <strong id="das_13_0053__b18981835182217">Create Task</strong> page, double-click one column. Set rules for generating data randomly based on the column information. For example, if the column name is <strong id="das_13_0053__b206945259248">time</strong>, you need to specify start and end time and the generation format. Alternatively, select <strong id="das_13_0053__b752392172515">Based on current time</strong>.</p>
+</li></ul>
+</p></li><li id="das_13_0053__li15717466474"><span>Click <strong id="das_13_0053__b683413274613">Preview</strong> to check whether the generated data is as expected. If not, modify the settings. Then, click <strong id="das_13_0053__b185876215512">Generate</strong>. Alternatively, directly click <strong id="das_13_0053__b139907624717">Generate</strong>.</span></li><li id="das_13_0053__li1412581674911"><span>In the task list, locate the created task and click <strong id="das_13_0053__b149452045135218">Details</strong>. You can also delete the task as required.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_13_0052.html">Data Scheme</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_13_0055.html b/docs/das/umn/das_13_0055.html
new file mode 100644
index 00000000..8a2a1eb6
--- /dev/null
+++ b/docs/das/umn/das_13_0055.html
@@ -0,0 +1,23 @@
+<a name="das_13_0055"></a><a name="das_13_0055"></a>
+
+<h1 class="topictitle1">Intelligent O&amp;M</h1>
+<div id="body1582104269938"></div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_11_0056.html">Real-Time Performance</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_11_0057.html">Real-Time Sessions</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_11_0060.html">SQL Tuning</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_11_0059.html">Tuning Report</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_11_0080.html">InnoDB Lock Query</a></strong><br>
+</li>
+</ul>
+
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_13_0001.html">GaussDB(for MySQL) DB Instance Management (Development Tool)</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_13_0060.html b/docs/das/umn/das_13_0060.html
new file mode 100644
index 00000000..8b5dd17b
--- /dev/null
+++ b/docs/das/umn/das_13_0060.html
@@ -0,0 +1,16 @@
+<a name="das_13_0060"></a><a name="das_13_0060"></a>
+
+<h1 class="topictitle1">Creating a Stored Procedure</h1>
+<div id="body0000001085066854"><div class="section" id="das_13_0060__section739231415189"><h4 class="sectiontitle">Scenarios</h4><p id="das_13_0060__p1285119570271">A stored procedure consists of a set of SQL statements that can complete specific tasks or process complex services. This section describes how to create a stored procedure. You can use loop statements in a stored procedure to insert objects repeatedly.</p>
+</div>
+<div class="section" id="das_13_0060__section3107414122814"><h4 class="sectiontitle">Prerequisites</h4><ul id="das_13_0060__ul1421419595404"><li id="das_13_0060__li199561049161912">You have obtained the CREATE ROUTINE permission.</li><li id="das_13_0060__li117331210416">You have obtained the Execute permission.</li></ul>
+</div>
+<div class="section" id="das_13_0060__section1573305620545"><h4 class="sectiontitle">Procedure</h4><ol id="das_13_0060__ol15937185716454"><li id="das_13_0060__li9585135104611"><span>On the top menu bar, choose <strong id="das_13_0060__b1032610183816">Database Management</strong>. On the displayed <strong id="das_13_0060__b8334151811820">Objects</strong> tab, choose <strong id="das_13_0060__b73353185811">Stored Procedures</strong> on the left and click <strong id="das_13_0060__b1133618186817">Create Stored Procedure</strong> in the right pane.</span></li><li id="das_13_0060__li11735722203116"><span>On the displayed page, enter the stored procedure name and type, and click <strong id="das_13_0060__b97411414141110">OK</strong>.</span></li><li id="das_13_0060__li3748145017342"><span>On the displayed page, enter the stored procedure information and click <span class="uicontrol" id="das_13_0060__uicontrol51081916376"><b>Save</b></span>.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_16_0041.html">Stored Procedure Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_13_0061.html b/docs/das/umn/das_13_0061.html
new file mode 100644
index 00000000..4c831219
--- /dev/null
+++ b/docs/das/umn/das_13_0061.html
@@ -0,0 +1,21 @@
+<a name="das_13_0061"></a><a name="das_13_0061"></a>
+
+<h1 class="topictitle1">Account Management</h1>
+<div id="body0000001160992215"></div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_13_0070.html">Configuring Database Account Security</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_13_0071.html">Creating a User</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_13_0072.html">Editing a User</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_04_0073.html">Deleting a User</a></strong><br>
+</li>
+</ul>
+
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_13_0001.html">GaussDB(for MySQL) DB Instance Management (Development Tool)</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_13_0062.html b/docs/das/umn/das_13_0062.html
new file mode 100644
index 00000000..2257d81d
--- /dev/null
+++ b/docs/das/umn/das_13_0062.html
@@ -0,0 +1,18 @@
+<a name="das_13_0062"></a><a name="das_13_0062"></a>
+
+<h1 class="topictitle1">Scheduled Backup</h1>
+<div id="body0000001088707669"><div class="section" id="das_13_0062__section735519191322"><h4 class="sectiontitle">Scenarios</h4><p id="das_13_0062__p11946132243216">Scheduled backup allows you to back up important database tables and data or SQL result sets so that data can be restored timely in case of a data loss.</p>
+</div>
+<div class="section" id="das_13_0062__section1625516410281"><h4 class="sectiontitle">Procedure</h4><ol id="das_13_0062__ol855152412816"><li id="das_13_0062__li17289921202"><span>On the top menu bar, choose <strong id="das_13_0062__b2287171205115">Background Tasks</strong> &gt; <strong id="das_13_0062__b11296812165117">Scheduled Backup</strong>.</span></li><li id="das_13_0062__li929814733711"><span>On the task list page, click <span class="uicontrol" id="das_13_0062__uicontrol181519188512"><b>Set AK/SK</b></span> in the upper left corner.</span><p><div class="note" id="das_13_0062__note212542115313"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="das_13_0062__p31886242315"><strong id="das_13_0062__b108496303514">Storage</strong>: The system stores encrypted files in OBS buckets.</p>
+<p id="das_13_0062__p367303017320"><strong id="das_13_0062__b14711434185113">AK</strong> and <strong id="das_13_0062__b94780341513">SK</strong>: AK and SK are required when cloud services are accessed using development tools (APIs, CLI, and SDKs).</p>
+</div></div>
+</p></li><li id="das_13_0062__li86411829132914"><span>Select an OBS bucket, enter the AK and SK, and click <strong id="das_13_0062__b1561913765118">Test AK/SK</strong>.</span></li><li id="das_13_0062__li23471291263"><span>After the test succeeded, click <span class="uicontrol" id="das_13_0062__uicontrol211116135211"><b>OK</b></span>.</span></li><li id="das_13_0062__li3218173610618"><span>On the task list page, click <span class="uicontrol" id="das_13_0062__uicontrol10411186125211"><b>Create DB Backup Task</b></span>.</span></li><li id="das_13_0062__li374506102816"><span>Enter a task name, select a task type, and select the database and storage information.</span></li><li id="das_13_0062__li10889135327"><span>Confirm the settings and click <span class="uicontrol" id="das_13_0062__uicontrol938832445218"><b>OK</b></span>.</span></li><li id="das_13_0062__li836172017344"><span>On the task list page, click <span class="uicontrol" id="das_13_0062__uicontrol149844263521"><b>Details</b></span> to view the task details.</span></li><li id="das_13_0062__li157372042444"><span>On the task list page, click <span class="uicontrol" id="das_13_0062__uicontrol96471151135216"><b>Create SQL Result Set Backup Task</b></span>.</span></li><li id="das_13_0062__li87211532145210"><span>Enter a task name, select a task type, and set the time, backup file format, database, and storage information.</span></li><li id="das_13_0062__li1759614434615"><span>Confirm the settings and click <span class="uicontrol" id="das_13_0062__uicontrol154758119534"><b>OK</b></span>.</span></li><li id="das_13_0062__li16195135784618"><span>On the task list page, click <span class="uicontrol" id="das_13_0062__uicontrol103354813539"><b>Execution Records</b></span> to view the backup status.</span></li><li id="das_13_0062__li15506165525111"><span>Click <span class="uicontrol" id="das_13_0062__uicontrol9854115655316"><b>Details</b></span> to view the backup logs.</span></li><li id="das_13_0062__li27101911165314"><span>Click <strong id="das_13_0062__b1021110965417">Download</strong> to download the backup file.</span></li><li id="das_13_0062__li1031801185520"><span>On the task list page, click <span class="uicontrol" id="das_13_0062__uicontrol4412195495410"><b>Terminate</b></span> or <span class="uicontrol" id="das_13_0062__uicontrol5421155420547"><b>Pause</b></span> to stop or pause a task.</span></li></ol>
+</div>
+<p id="das_13_0062__p8060118"></p>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_13_0001.html">GaussDB(for MySQL) DB Instance Management (Development Tool)</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_13_0070.html b/docs/das/umn/das_13_0070.html
new file mode 100644
index 00000000..cfb38854
--- /dev/null
+++ b/docs/das/umn/das_13_0070.html
@@ -0,0 +1,76 @@
+<a name="das_13_0070"></a><a name="das_13_0070"></a>
+
+<h1 class="topictitle1">Configuring Database Account Security</h1>
+<div id="body0000001115032314"><p id="das_13_0070__p079755364415">DAS hides the following accounts of RDS MySQL databases to ensure that the databases run properly and prevent account information from being deleted by mistake.</p>
+
+<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="das_13_0070__table12367144618482" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Accounts to be hidden</caption><thead align="left"><tr id="das_13_0070__row20367846134812"><th align="left" class="cellrowborder" valign="top" width="33.650000000000006%" id="mcps1.3.2.2.3.1.1"><p id="das_13_0070__p036774684819">Account</p>
+</th>
+<th align="left" class="cellrowborder" valign="top" width="66.35%" id="mcps1.3.2.2.3.1.2"><p id="das_13_0070__p19367546184820">Description</p>
+</th>
+</tr>
+</thead>
+<tbody><tr id="das_13_0070__row123671046174817"><td class="cellrowborder" valign="top" width="33.650000000000006%" headers="mcps1.3.2.2.3.1.1 "><p id="das_13_0070__p83677461484">mysql.session@localhost</p>
+</td>
+<td class="cellrowborder" valign="top" width="66.35%" headers="mcps1.3.2.2.3.1.2 "><p id="das_13_0070__p1936711469489">Internal database account configured in MySQL 5.7 or later.</p>
+</td>
+</tr>
+<tr id="das_13_0070__row16367164619480"><td class="cellrowborder" valign="top" width="33.650000000000006%" headers="mcps1.3.2.2.3.1.1 "><p id="das_13_0070__p15367146104820">mysql.sys@localhost</p>
+</td>
+<td class="cellrowborder" valign="top" width="66.35%" headers="mcps1.3.2.2.3.1.2 "><p id="das_13_0070__p23673468486">Internal database account configured in MySQL 5.7 or later.</p>
+</td>
+</tr>
+<tr id="das_13_0070__row2056743713304"><td class="cellrowborder" valign="top" width="33.650000000000006%" headers="mcps1.3.2.2.3.1.1 "><p id="das_13_0070__p256903713019">mysql.infoschema@localhost</p>
+</td>
+<td class="cellrowborder" valign="top" width="66.35%" headers="mcps1.3.2.2.3.1.2 "><p id="das_13_0070__p1569103714308">Database account.</p>
+</td>
+</tr>
+<tr id="das_13_0070__row1536764612481"><td class="cellrowborder" valign="top" width="33.650000000000006%" headers="mcps1.3.2.2.3.1.1 "><p id="das_13_0070__p53672464482">root@%</p>
+</td>
+<td class="cellrowborder" valign="top" width="66.35%" headers="mcps1.3.2.2.3.1.2 "><p id="das_13_0070__p1836714613485">Account configured when you create an RDS MySQL instance.</p>
+</td>
+</tr>
+<tr id="das_13_0070__row193671146204819"><td class="cellrowborder" valign="top" width="33.650000000000006%" headers="mcps1.3.2.2.3.1.1 "><p id="das_13_0070__p203671546204815">rdsAdmin@localhost</p>
+</td>
+<td class="cellrowborder" valign="top" width="66.35%" headers="mcps1.3.2.2.3.1.2 "><p id="das_13_0070__p1036724613480">Management account, which has the highest superuser permission and is used to query and modify DB instance information, rectify faults, as well as migrate and restore data.</p>
+</td>
+</tr>
+<tr id="das_13_0070__row133671246154819"><td class="cellrowborder" valign="top" width="33.650000000000006%" headers="mcps1.3.2.2.3.1.1 "><p id="das_13_0070__p153671646134813">rdsBackup@localhost</p>
+</td>
+<td class="cellrowborder" valign="top" width="66.35%" headers="mcps1.3.2.2.3.1.2 "><p id="das_13_0070__p19367446104820">Backup account, which is used to back up background data.</p>
+</td>
+</tr>
+<tr id="das_13_0070__row143671146104816"><td class="cellrowborder" valign="top" width="33.650000000000006%" headers="mcps1.3.2.2.3.1.1 "><p id="das_13_0070__p1636764610484">rdsMetric</p>
+</td>
+<td class="cellrowborder" valign="top" width="66.35%" headers="mcps1.3.2.2.3.1.2 "><p id="das_13_0070__p1236734617481">Metering account, which is used by watchdog to collect database status data.</p>
+</td>
+</tr>
+<tr id="das_13_0070__row113671246114811"><td class="cellrowborder" valign="top" width="33.650000000000006%" headers="mcps1.3.2.2.3.1.1 "><p id="das_13_0070__p10367104694811">rdsRepl</p>
+</td>
+<td class="cellrowborder" valign="top" width="66.35%" headers="mcps1.3.2.2.3.1.2 "><p id="das_13_0070__p123677467482">Replication account, which is used to synchronize data from primary DB instances to standby ones or read replicas.</p>
+</td>
+</tr>
+<tr id="das_13_0070__row1639184103118"><td class="cellrowborder" valign="top" width="33.650000000000006%" headers="mcps1.3.2.2.3.1.1 "><p id="das_13_0070__p17391641183115">rdsProxy</p>
+</td>
+<td class="cellrowborder" valign="top" width="66.35%" headers="mcps1.3.2.2.3.1.2 "><p id="das_13_0070__p740134113315">Proxy account, which is used for authentication when the database is connected using the read/write splitting address. This account is automatically created when read/write splitting is enabled.</p>
+</td>
+</tr>
+<tr id="das_13_0070__row133671546144812"><td class="cellrowborder" valign="top" width="33.650000000000006%" headers="mcps1.3.2.2.3.1.1 "><p id="das_13_0070__p1736744618486">drsFull</p>
+</td>
+<td class="cellrowborder" valign="top" width="66.35%" headers="mcps1.3.2.2.3.1.2 "><p id="das_13_0070__p1736774616481">Account added to the destination database when you start a full migration task.</p>
+</td>
+</tr>
+<tr id="das_13_0070__row1836711469481"><td class="cellrowborder" valign="top" width="33.650000000000006%" headers="mcps1.3.2.2.3.1.1 "><p id="das_13_0070__p1836754664811">drsIncremental</p>
+</td>
+<td class="cellrowborder" valign="top" width="66.35%" headers="mcps1.3.2.2.3.1.2 "><p id="das_13_0070__p16333151613411">Account added to the destination database when you start an incremental migration task.</p>
+</td>
+</tr>
+</tbody>
+</table>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_13_0061.html">Account Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_13_0071.html b/docs/das/umn/das_13_0071.html
new file mode 100644
index 00000000..ac4e2bb2
--- /dev/null
+++ b/docs/das/umn/das_13_0071.html
@@ -0,0 +1,151 @@
+<a name="das_13_0071"></a><a name="das_13_0071"></a>
+
+<h1 class="topictitle1">Creating a User</h1>
+<div id="body0000001114872412"><div class="section" id="das_13_0071__section60461353162212"><h4 class="sectiontitle">Scenarios</h4><p id="das_13_0071__p458681415284">Multiple users with different permissions can be created to access a DB instance or database, but the permissions of these users must be within the range of the account permissions.</p>
+</div>
+<div class="section" id="das_13_0071__section7824163705917"><h4 class="sectiontitle">Procedure</h4><ol id="das_13_0071__ol28269375592"><li id="das_13_0071__li17289921202"><span>On the top menu bar, choose <strong id="das_13_0071__b1676125983519">Account Management</strong> &gt; <strong id="das_13_0071__b1076175923514">User Management</strong>.</span></li><li id="das_13_0071__li188291334717"><span>On the displayed page, click <strong id="das_13_0071__b1972720146369">Create User</strong>. Then, configure basic information, advanced settings, global permissions, and object permissions, and click <strong id="das_13_0071__b972811410361">Save</strong>. In the displayed dialog box, click <strong id="das_13_0071__b77287145362">OK</strong>.</span><p><p id="das_13_0071__p17531544152115">In the user list, you can view all created users, or locate a user and click <strong id="das_13_0071__b344761014374">Edit</strong> and <strong id="das_13_0071__b204480105376">Delete</strong> in the <strong id="das_13_0071__b104491810173716">Operation</strong> column to manage it.</p>
+<p id="das_13_0071__p1935818494128"><a href="#das_13_0071__table76681822181315">Table 1</a> describes the user permissions briefly. For details about permission usages and explanations, visit the <a href="https://dev.mysql.com/doc/refman/8.0/en/grant.html" target="_blank" rel="noopener noreferrer">official website</a>.</p>
+
+<div class="tablenoborder"><a name="das_13_0071__table76681822181315"></a><a name="table76681822181315"></a><table cellpadding="4" cellspacing="0" summary="" id="das_13_0071__table76681822181315" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Permission description</caption><thead align="left"><tr id="das_13_0071__row106681622161313"><th align="left" class="cellrowborder" valign="top" width="17.990000000000002%" id="mcps1.3.2.2.2.2.3.2.3.1.1"><p id="das_13_0071__p866842201312">Permission</p>
+</th>
+<th align="left" class="cellrowborder" valign="top" width="82.01%" id="mcps1.3.2.2.2.2.3.2.3.1.2"><p id="das_13_0071__p17668222151312">Description</p>
+</th>
+</tr>
+</thead>
+<tbody><tr id="das_13_0071__row1766812241311"><td class="cellrowborder" valign="top" width="17.990000000000002%" headers="mcps1.3.2.2.2.2.3.2.3.1.1 "><p id="das_13_0071__p112798148151">SELECT</p>
+</td>
+<td class="cellrowborder" valign="top" width="82.01%" headers="mcps1.3.2.2.2.2.3.2.3.1.2 "><p id="das_13_0071__p15668182261317">Permission to query a specified object, for example, a global or single database.</p>
+</td>
+</tr>
+<tr id="das_13_0071__row3668722131310"><td class="cellrowborder" valign="top" width="17.990000000000002%" headers="mcps1.3.2.2.2.2.3.2.3.1.1 "><p id="das_13_0071__p112791014101515">INSERT</p>
+</td>
+<td class="cellrowborder" valign="top" width="82.01%" headers="mcps1.3.2.2.2.2.3.2.3.1.2 "><p id="das_13_0071__p12668152210139">Permission to insert data into a specified object.</p>
+</td>
+</tr>
+<tr id="das_13_0071__row106682022181315"><td class="cellrowborder" valign="top" width="17.990000000000002%" headers="mcps1.3.2.2.2.2.3.2.3.1.1 "><p id="das_13_0071__p327951401517">UPDATE</p>
+</td>
+<td class="cellrowborder" valign="top" width="82.01%" headers="mcps1.3.2.2.2.2.3.2.3.1.2 "><p id="das_13_0071__p866912291312">Permission to update data of a specified object.</p>
+</td>
+</tr>
+<tr id="das_13_0071__row5669162291310"><td class="cellrowborder" valign="top" width="17.990000000000002%" headers="mcps1.3.2.2.2.2.3.2.3.1.1 "><p id="das_13_0071__p19279201418155">DELETE</p>
+</td>
+<td class="cellrowborder" valign="top" width="82.01%" headers="mcps1.3.2.2.2.2.3.2.3.1.2 "><p id="das_13_0071__p17669142281310">Permission to delete data from a specified object.</p>
+</td>
+</tr>
+<tr id="das_13_0071__row166918226131"><td class="cellrowborder" valign="top" width="17.990000000000002%" headers="mcps1.3.2.2.2.2.3.2.3.1.1 "><p id="das_13_0071__p92791414161510">CREATE</p>
+</td>
+<td class="cellrowborder" valign="top" width="82.01%" headers="mcps1.3.2.2.2.2.3.2.3.1.2 "><p id="das_13_0071__p76695220133">Permission to create databases and tables for a specified object.</p>
+</td>
+</tr>
+<tr id="das_13_0071__row14669152212138"><td class="cellrowborder" valign="top" width="17.990000000000002%" headers="mcps1.3.2.2.2.2.3.2.3.1.1 "><p id="das_13_0071__p142801914101517">DROP</p>
+</td>
+<td class="cellrowborder" valign="top" width="82.01%" headers="mcps1.3.2.2.2.2.3.2.3.1.2 "><p id="das_13_0071__p1066992218137">Permission to delete databases, tables, and views of a specified object.</p>
+</td>
+</tr>
+<tr id="das_13_0071__row266911220137"><td class="cellrowborder" valign="top" width="17.990000000000002%" headers="mcps1.3.2.2.2.2.3.2.3.1.1 "><p id="das_13_0071__p1280314101519">RELOAD</p>
+</td>
+<td class="cellrowborder" valign="top" width="82.01%" headers="mcps1.3.2.2.2.2.3.2.3.1.2 "><p id="das_13_0071__p1466912228133">Permission to execute <a href="https://dev.mysql.com/doc/refman/8.0/en/flush.html" target="_blank" rel="noopener noreferrer">FLUSH</a>.</p>
+</td>
+</tr>
+<tr id="das_13_0071__row6162183111519"><td class="cellrowborder" valign="top" width="17.990000000000002%" headers="mcps1.3.2.2.2.2.3.2.3.1.1 "><p id="das_13_0071__p1280414131510">PROCESS</p>
+</td>
+<td class="cellrowborder" valign="top" width="82.01%" headers="mcps1.3.2.2.2.2.3.2.3.1.2 "><p id="das_13_0071__p18162336153">Permission to execute <a href="https://dev.mysql.com/doc/refman/8.0/en/show-processlist.html" target="_blank" rel="noopener noreferrer">SHOW PROCESSLIST</a> to view all the processes.</p>
+</td>
+</tr>
+<tr id="das_13_0071__row193103391516"><td class="cellrowborder" valign="top" width="17.990000000000002%" headers="mcps1.3.2.2.2.2.3.2.3.1.1 "><p id="das_13_0071__p132801314151512">GRANT</p>
+</td>
+<td class="cellrowborder" valign="top" width="82.01%" headers="mcps1.3.2.2.2.2.3.2.3.1.2 "><p id="das_13_0071__p10310536153">Permission to grant a specified object the permissions of another account or reclaim permissions from other accounts.</p>
+</td>
+</tr>
+<tr id="das_13_0071__row04624314152"><td class="cellrowborder" valign="top" width="17.990000000000002%" headers="mcps1.3.2.2.2.2.3.2.3.1.1 "><p id="das_13_0071__p1728021419155">REFERENCES</p>
+</td>
+<td class="cellrowborder" valign="top" width="82.01%" headers="mcps1.3.2.2.2.2.3.2.3.1.2 "><p id="das_13_0071__p546219331520">Permission to create foreign keys for a specified object.</p>
+</td>
+</tr>
+<tr id="das_13_0071__row105927381517"><td class="cellrowborder" valign="top" width="17.990000000000002%" headers="mcps1.3.2.2.2.2.3.2.3.1.1 "><p id="das_13_0071__p383271915157">INDEX</p>
+</td>
+<td class="cellrowborder" valign="top" width="82.01%" headers="mcps1.3.2.2.2.2.3.2.3.1.2 "><p id="das_13_0071__p1759319341513">Permission to create or delete index for a specified object.</p>
+</td>
+</tr>
+<tr id="das_13_0071__row1274113319156"><td class="cellrowborder" valign="top" width="17.990000000000002%" headers="mcps1.3.2.2.2.2.3.2.3.1.1 "><p id="das_13_0071__p15832219191511">ALTER</p>
+</td>
+<td class="cellrowborder" valign="top" width="82.01%" headers="mcps1.3.2.2.2.2.3.2.3.1.2 "><p id="das_13_0071__p137411311511">Permission to execute <a href="https://dev.mysql.com/doc/refman/8.0/en/alter-table.html" target="_blank" rel="noopener noreferrer">ALTER TABLE</a> for a specified object.</p>
+</td>
+</tr>
+<tr id="das_13_0071__row48701131154"><td class="cellrowborder" valign="top" width="17.990000000000002%" headers="mcps1.3.2.2.2.2.3.2.3.1.1 "><p id="das_13_0071__p208321119101515">SHOW DATABASES</p>
+</td>
+<td class="cellrowborder" valign="top" width="82.01%" headers="mcps1.3.2.2.2.2.3.2.3.1.2 "><p id="das_13_0071__p487013321516">Permission to run the <a href="https://dev.mysql.com/doc/refman/8.0/en/show-databases.html" target="_blank" rel="noopener noreferrer">SHOW DATABASES</a> command to show all databases.</p>
+</td>
+</tr>
+<tr id="das_13_0071__row1322204101513"><td class="cellrowborder" valign="top" width="17.990000000000002%" headers="mcps1.3.2.2.2.2.3.2.3.1.1 "><p id="das_13_0071__p38321319191512">CREATE TEMPORARY TABLES</p>
+</td>
+<td class="cellrowborder" valign="top" width="82.01%" headers="mcps1.3.2.2.2.2.3.2.3.1.2 "><p id="das_13_0071__p322184161510">Permission to execute <a href="https://dev.mysql.com/doc/refman/8.0/en/create-table.html" target="_blank" rel="noopener noreferrer">CREATE TEMPORARY TABLE</a> for a specified object.</p>
+</td>
+</tr>
+<tr id="das_13_0071__row191641146154"><td class="cellrowborder" valign="top" width="17.990000000000002%" headers="mcps1.3.2.2.2.2.3.2.3.1.1 "><p id="das_13_0071__p3832131981516">LOCK TABLES</p>
+</td>
+<td class="cellrowborder" valign="top" width="82.01%" headers="mcps1.3.2.2.2.2.3.2.3.1.2 "><p id="das_13_0071__p1216411431517">Permission to execute <a href="https://dev.mysql.com/doc/refman/8.0/en/lock-tables.html" target="_blank" rel="noopener noreferrer">LOCK TABLES</a> on the tables with the SELECT permission for a specified object.</p>
+</td>
+</tr>
+<tr id="das_13_0071__row731317410154"><td class="cellrowborder" valign="top" width="17.990000000000002%" headers="mcps1.3.2.2.2.2.3.2.3.1.1 "><p id="das_13_0071__p0832219171515">EXECUTE</p>
+</td>
+<td class="cellrowborder" valign="top" width="82.01%" headers="mcps1.3.2.2.2.2.3.2.3.1.2 "><p id="das_13_0071__p183131949156">Permission to execute a stored procedure for a specified object.</p>
+</td>
+</tr>
+<tr id="das_13_0071__row547219411516"><td class="cellrowborder" valign="top" width="17.990000000000002%" headers="mcps1.3.2.2.2.2.3.2.3.1.1 "><p id="das_13_0071__p483221971513">REPLICATION SLAVE</p>
+</td>
+<td class="cellrowborder" valign="top" width="82.01%" headers="mcps1.3.2.2.2.2.3.2.3.1.2 "><p id="das_13_0071__p144722043157">Permission to allow the replica server to read binary log events from the source server.</p>
+</td>
+</tr>
+<tr id="das_13_0071__row136220411520"><td class="cellrowborder" valign="top" width="17.990000000000002%" headers="mcps1.3.2.2.2.2.3.2.3.1.1 "><p id="das_13_0071__p2832161913156">REPLICATION CLIENT</p>
+</td>
+<td class="cellrowborder" valign="top" width="82.01%" headers="mcps1.3.2.2.2.2.3.2.3.1.2 "><p id="das_13_0071__p116227412157">Permission to query the location of the source server or replica server.</p>
+</td>
+</tr>
+<tr id="das_13_0071__row17669411156"><td class="cellrowborder" valign="top" width="17.990000000000002%" headers="mcps1.3.2.2.2.2.3.2.3.1.1 "><p id="das_13_0071__p118326191153">CREATE VIEW</p>
+</td>
+<td class="cellrowborder" valign="top" width="82.01%" headers="mcps1.3.2.2.2.2.3.2.3.1.2 "><p id="das_13_0071__p2766114131513">Permission to create or alter a view for a specified object.</p>
+</td>
+</tr>
+<tr id="das_13_0071__row5930845155"><td class="cellrowborder" valign="top" width="17.990000000000002%" headers="mcps1.3.2.2.2.2.3.2.3.1.1 "><p id="das_13_0071__p6832121931513">SHOW VIEW</p>
+</td>
+<td class="cellrowborder" valign="top" width="82.01%" headers="mcps1.3.2.2.2.2.3.2.3.1.2 "><p id="das_13_0071__p14930144101519">Permission to execute <a href="https://dev.mysql.com/doc/refman/8.0/en/show-create-view.html" target="_blank" rel="noopener noreferrer">SHOW CREATE VIEW</a> for a specified object.</p>
+</td>
+</tr>
+<tr id="das_13_0071__row1026115294158"><td class="cellrowborder" valign="top" width="17.990000000000002%" headers="mcps1.3.2.2.2.2.3.2.3.1.1 "><p id="das_13_0071__p469143351513">CREATE ROUTINE</p>
+</td>
+<td class="cellrowborder" valign="top" width="82.01%" headers="mcps1.3.2.2.2.2.3.2.3.1.2 "><p id="das_13_0071__p626115295156">Permission to create a stored procedure for a specified object.</p>
+</td>
+</tr>
+<tr id="das_13_0071__row44021529181519"><td class="cellrowborder" valign="top" width="17.990000000000002%" headers="mcps1.3.2.2.2.2.3.2.3.1.1 "><p id="das_13_0071__p9691133371511">ALTER ROUTINE</p>
+</td>
+<td class="cellrowborder" valign="top" width="82.01%" headers="mcps1.3.2.2.2.2.3.2.3.1.2 "><p id="das_13_0071__p114029295154">Permission to alter or delete a stored procedure for a specified object.</p>
+</td>
+</tr>
+<tr id="das_13_0071__row1054612981517"><td class="cellrowborder" valign="top" width="17.990000000000002%" headers="mcps1.3.2.2.2.2.3.2.3.1.1 "><p id="das_13_0071__p136911033151516">CREATE USER</p>
+</td>
+<td class="cellrowborder" valign="top" width="82.01%" headers="mcps1.3.2.2.2.2.3.2.3.1.2 "><p id="das_13_0071__p1454672915159">Permission to execute <a href="https://dev.mysql.com/doc/refman/8.0/en/create-user.html" target="_blank" rel="noopener noreferrer">CREATE USER</a>, <a href="https://dev.mysql.com/doc/refman/8.0/en/drop-user.html" target="_blank" rel="noopener noreferrer">DROP USER</a>, <a href="https://dev.mysql.com/doc/refman/8.0/en/rename-user.html" target="_blank" rel="noopener noreferrer">RENAME USER</a>, and <a href="https://dev.mysql.com/doc/refman/8.0/en/revoke.html" target="_blank" rel="noopener noreferrer">REVOKE ALL PRIVILEGES</a> for a specified object.</p>
+</td>
+</tr>
+<tr id="das_13_0071__row11682329161512"><td class="cellrowborder" valign="top" width="17.990000000000002%" headers="mcps1.3.2.2.2.2.3.2.3.1.1 "><p id="das_13_0071__p1169133381511">EVENT</p>
+</td>
+<td class="cellrowborder" valign="top" width="82.01%" headers="mcps1.3.2.2.2.2.3.2.3.1.2 "><p id="das_13_0071__p176821929191519">Permission to create, modify, delete, or display the event scheduler for a specified object.</p>
+</td>
+</tr>
+<tr id="das_13_0071__row1382410296156"><td class="cellrowborder" valign="top" width="17.990000000000002%" headers="mcps1.3.2.2.2.2.3.2.3.1.1 "><p id="das_13_0071__p1269115334156">TRIGGER</p>
+</td>
+<td class="cellrowborder" valign="top" width="82.01%" headers="mcps1.3.2.2.2.2.3.2.3.1.2 "><p id="das_13_0071__p1282412914154">Permission to execute a trigger for a specified object. Only users with this permission can create, delete, execute, or display triggers of the table.</p>
+</td>
+</tr>
+</tbody>
+</table>
+</div>
+</p></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_13_0061.html">Account Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_13_0072.html b/docs/das/umn/das_13_0072.html
new file mode 100644
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--- /dev/null
+++ b/docs/das/umn/das_13_0072.html
@@ -0,0 +1,14 @@
+<a name="das_13_0072"></a><a name="das_13_0072"></a>
+
+<h1 class="topictitle1">Editing a User</h1>
+<div id="body0000001160872229"><div class="section" id="das_13_0072__section60461353162212"><h4 class="sectiontitle">Scenarios</h4><p id="das_13_0072__p4287447473">This section describes how to edit user information, including the user name, password, global permissions, object permissions, and advanced settings.</p>
+</div>
+<div class="section" id="das_13_0072__section1412134904915"><h4 class="sectiontitle">Procedure</h4><ol id="das_13_0072__ol1314114919495"><li id="das_13_0072__li17289921202"><span>On the top menu bar, choose <strong id="das_13_0072__b09031843164820">Account Management</strong> &gt; <strong id="das_13_0072__b09042438487">User Management</strong>. In the user list, locate the target user and click <strong id="das_13_0072__b1145417494481">Edit</strong> in the <strong id="das_13_0072__b8457649104810">Operation</strong> column.</span></li><li id="das_13_0072__li18794164620553"><span>On the displayed page, edit user information, set global and object permissions, and click <strong id="das_13_0072__b1178745964817">Save</strong>. In the displayed dialog box, click <strong id="das_13_0072__b57881759134819">OK</strong>.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_13_0061.html">Account Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_16_0001.html b/docs/das/umn/das_16_0001.html
new file mode 100644
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@@ -0,0 +1,27 @@
+<a name="das_16_0001"></a><a name="das_16_0001"></a>
+
+<h1 class="topictitle1">GaussDB(for Cassandra) DB Instance Management (Development Tool)</h1>
+<div id="body1587114664183"></div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_16_0002.html">Overview</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_16_0007.html">Table Management</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_16_0010.html">View Management</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_16_0013.html">Custom Type</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_16_0020.html">Import and Export</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_16_0015.html">SQL Operations</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_16_0018.html">Other Operations</a></strong><br>
+</li>
+</ul>
+
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_20_0011.html">User Guide</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_16_0002.html b/docs/das/umn/das_16_0002.html
new file mode 100644
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--- /dev/null
+++ b/docs/das/umn/das_16_0002.html
@@ -0,0 +1,21 @@
+<a name="das_16_0002"></a><a name="das_16_0002"></a>
+
+<h1 class="topictitle1">Overview</h1>
+<div id="body1587114664184"></div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_16_0003.html">Function Overview</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_16_0004.html">Keyspace Management</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_16_0005.html">Creating a Keyspace</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_16_0006.html">SQL Window</a></strong><br>
+</li>
+</ul>
+
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_16_0001.html">GaussDB(for Cassandra) DB Instance Management (Development Tool)</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_16_0003.html b/docs/das/umn/das_16_0003.html
new file mode 100644
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--- /dev/null
+++ b/docs/das/umn/das_16_0003.html
@@ -0,0 +1,46 @@
+<a name="das_16_0003"></a><a name="das_16_0003"></a>
+
+<h1 class="topictitle1">Function Overview</h1>
+<div id="body1587114666138"><div class="section" id="das_16_0003__section967714152911"><h4 class="sectiontitle">Logging In to a DB Instance</h4><ol id="das_16_0003__ol1251491219247"><li id="das_16_0003__li2684163283620"><span>Obtain the login permission and log in to the DAS console.</span></li><li id="das_16_0003__li583012112535"><span>In the login list of Development Tool, locate the DB instance you want to log in to and click <strong id="das_16_0003__b0160162017122">Log In</strong> in the <strong id="das_16_0003__b10169182011127">Operation</strong> column.</span><p><p id="das_16_0003__p221015213533">For more login information, see <a href="das_03_0003.html">Logging In to a Database</a>.</p>
+</p></li></ol>
+</div>
+<div class="section" id="das_16_0003__section42761717505"><h4 class="sectiontitle">Overview</h4><p id="das_16_0003__p1357133651012">Brief introduction that helps you better understand DAS</p>
+</div>
+
+<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="das_16_0003__table1780123141716" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Functions</caption><thead align="left"><tr id="das_16_0003__row11801531181717"><th align="left" class="cellrowborder" valign="top" width="28.98%" id="mcps1.3.3.2.3.1.1"><p id="das_16_0003__p1080143181714">Function</p>
+</th>
+<th align="left" class="cellrowborder" valign="top" width="71.02000000000001%" id="mcps1.3.3.2.3.1.2"><p id="das_16_0003__p19823318173">Description</p>
+</th>
+</tr>
+</thead>
+<tbody><tr id="das_16_0003__row582173120171"><td class="cellrowborder" valign="top" width="28.98%" headers="mcps1.3.3.2.3.1.1 "><p id="das_16_0003__p1182431101716">Top menu bar</p>
+</td>
+<td class="cellrowborder" valign="top" width="71.02000000000001%" headers="mcps1.3.3.2.3.1.2 "><p id="das_16_0003__p188283113175">Provides entries to functional modules such as SQL operations, keyspace management, and other operations.</p>
+</td>
+</tr>
+<tr id="das_16_0003__row15824312178"><td class="cellrowborder" valign="top" width="28.98%" headers="mcps1.3.3.2.3.1.1 "><p id="das_16_0003__p109641141101216">Account information and logout</p>
+</td>
+<td class="cellrowborder" valign="top" width="71.02000000000001%" headers="mcps1.3.3.2.3.1.2 "><p id="das_16_0003__p596220415122">Displays the current account information and a logout button.</p>
+</td>
+</tr>
+<tr id="das_16_0003__row178791941122314"><td class="cellrowborder" valign="top" width="28.98%" headers="mcps1.3.3.2.3.1.1 "><p id="das_16_0003__p19880141142317">DB instance information</p>
+</td>
+<td class="cellrowborder" valign="top" width="71.02000000000001%" headers="mcps1.3.3.2.3.1.2 "><p id="das_16_0003__p1788024122317">Displays the current keyspace information, such as the DB engine logo, DB instance name, and DB engine version.</p>
+</td>
+</tr>
+<tr id="das_16_0003__row1435918414126"><td class="cellrowborder" valign="top" width="28.98%" headers="mcps1.3.3.2.3.1.1 "><p id="das_16_0003__p1582133117176">Keyspace List</p>
+</td>
+<td class="cellrowborder" valign="top" width="71.02000000000001%" headers="mcps1.3.3.2.3.1.2 "><p id="das_16_0003__p1099720524289">Displays the keyspaces on the current DB instance, including user keyspaces and system keyspaces.</p>
+<p id="das_16_0003__p6648121332111">Allows you to search for a keyspace by name.</p>
+</td>
+</tr>
+</tbody>
+</table>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_16_0002.html">Overview</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_16_0004.html b/docs/das/umn/das_16_0004.html
new file mode 100644
index 00000000..0c403a4e
--- /dev/null
+++ b/docs/das/umn/das_16_0004.html
@@ -0,0 +1,20 @@
+<a name="das_16_0004"></a><a name="das_16_0004"></a>
+
+<h1 class="topictitle1">Keyspace Management</h1>
+<div id="body1587114667377"><div class="section" id="das_16_0004__section67271541124019"><h4 class="sectiontitle">Object List</h4><div class="note" id="das_16_0004__note146219515238"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="das_16_0004__p93241982311">If there are too many tables, the system will not collect the metadata and display the table list to mitigate the impact on database performance.</p>
+</div></div>
+<p id="das_16_0004__p1943681044415">You can manage instance tables, views, and custom types, and perform operations including opening and viewing objects.</p>
+<p id="das_16_0004__p19394219110">For details on how to manage tables, see <a href="das_16_0007.html">Table Management</a>.</p>
+</div>
+<div class="section" id="das_16_0004__section868617291748"><h4 class="sectiontitle">Metadata Collection</h4><p id="das_16_0004__p15580946275">DAS periodically collects DB instance metadata and stores the collected data in the DAS database. In addition, it collects only structural metadata, but not data in user tables, which ensures data security. Metadata collection delivers the following advantages:</p>
+<ul id="das_16_0004__ul558014461075"><li id="das_16_0004__li14580154617710">Reduces queries on user keyspaces and the impact on the performance of user databases.</li><li id="das_16_0004__li258018461176">Improves the search performance for DB instances that contain a large number of tables and supports pagination queries.</li></ul>
+<ol id="das_16_0004__ol10118972315"><li id="das_16_0004__li112159142312"><span>On the <strong id="das_16_0004__b17279339697047">Keyspace Management</strong> page, click the <strong id="das_16_0004__b1136357217047">Metadata Collection</strong> tab.</span></li><li id="das_16_0004__li368816715244"><span>On the displayed page, click <strong id="das_16_0004__b11110154191917">Collect Now</strong> to start the collection. You can also stop the collection or view collection details.</span><p><ul id="das_16_0004__ul1770135004010"><li id="das_16_0004__li1852981164115"><strong id="das_16_0004__b14561112316197">Clear Collected Data</strong>: Clears the collected data such as metadata, keyspace structure, and table structure.</li><li id="das_16_0004__li63950407420"><strong id="das_16_0004__b9475818172616">Delete Logs</strong>: Deletes logs. Deleted logs cannot be restored. Exercise caution when performing this operation.</li></ul>
+</p></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_16_0002.html">Overview</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_16_0005.html b/docs/das/umn/das_16_0005.html
new file mode 100644
index 00000000..345a2f9b
--- /dev/null
+++ b/docs/das/umn/das_16_0005.html
@@ -0,0 +1,12 @@
+<a name="das_16_0005"></a><a name="das_16_0005"></a>
+
+<h1 class="topictitle1">Creating a Keyspace</h1>
+<div id="body1587459249633"><div class="section" id="das_16_0005__section157631241708"><h4 class="sectiontitle">Procedure</h4><ol id="das_16_0005__ol48442231719"><li id="das_16_0005__li1984416237114"><span>On the <strong id="das_16_0005__b5313398337212">Home</strong> page, click <strong id="das_16_0005__b2060451707212">Create Keyspace</strong>.</span></li><li id="das_16_0005__li4511225910"><span>On the displayed page, enter a keyspace name, set the number of replication factors, and determine whether to enable <strong id="das_16_0005__b2644222133117">Durable Writes</strong>.</span></li><li id="das_16_0005__li2053114348312"><span>After settings are complete, click <span class="uicontrol" id="das_16_0005__uicontrol204371512745"><b>OK</b></span>.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_16_0002.html">Overview</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_16_0006.html b/docs/das/umn/das_16_0006.html
new file mode 100644
index 00000000..35680742
--- /dev/null
+++ b/docs/das/umn/das_16_0006.html
@@ -0,0 +1,17 @@
+<a name="das_16_0006"></a><a name="das_16_0006"></a>
+
+<h1 class="topictitle1">SQL Window</h1>
+<div id="body1587114667764"><div class="section" id="das_16_0006__section208255508151"><h4 class="sectiontitle">Procedure</h4><ol id="das_16_0006__ol11700203645918"><li id="das_16_0006__li865994011591"><span>In the keyspace list of the <strong id="das_16_0006__b943053608707">Home</strong> page, locate the target keyspace and click <strong id="das_16_0006__b1869165638707">Query SQL Statements</strong> in the <strong id="das_16_0006__b2032628957707">Operation</strong> column to open the SQL window.</span><p><div class="note" id="das_16_0006__note1883714713243"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="das_16_0006__p1375144716519">You are advised to enable <strong id="das_16_0006__b793015541306">Save Executed SQL Statements</strong> in the upper right corner so that the recently executed SQL statements can be saved to the server.</p>
+</div></div>
+</p></li><li id="das_16_0006__li8579140123110"><span>In the navigation pane on the left, select a keyspace, and specify a table or view.</span><p><ul id="das_16_0006__ul17210456356"><li id="das_16_0006__li202245103514"><strong id="das_16_0006__b200074783707">Execute SQL</strong>: executes SQL statements.</li><li id="das_16_0006__li223053351714"><strong id="das_16_0006__b165821346175">Format SQL</strong>: improves the readability of SQL statements. Formatting SQL statements enables statements to be displayed in line break mode, but does not change their logic and semantics.<p id="das_16_0006__p12230123361714">The formatting takes effect for all the SQL statements in the SQL window. You cannot format only the selected statements.</p>
+</li><li id="das_16_0006__li0990852375"><strong id="das_16_0006__b3554914179">SQL Favorites</strong>: allows you to add, view, and manage frequently used SQL statements.</li><li id="das_16_0006__li19176413183214"><strong id="das_16_0006__b99882919176">SQL Input Prompt</strong>: helps you to select your desired database, table, or field name as prompted to quickly enter statements in the SQL window.</li><li id="das_16_0006__li1962131717358">Overwrite/Append Mode:<ul id="das_16_0006__ul18375142712350"><li id="das_16_0006__li0509132333515"><strong id="das_16_0006__b1796051116179">Append Mode:</strong> Each time a SQL statement is executed, the new result set is appended to the previous one.</li><li id="das_16_0006__li387121993417"><strong id="das_16_0006__b1251113141712">Overwrite Mode</strong>: Each time a SQL statement is executed, the new result set overwrites the previous one.</li></ul>
+</li><li id="das_16_0006__li1060919373347"><strong id="das_16_0006__b199531471711">Full Screen</strong>: shows SQL statements on a full screen.</li></ul>
+</p></li><li id="das_16_0006__li139711322204819"><span>After SQL statements are executed, view SQL execution status on the <span class="uicontrol" id="das_16_0006__uicontrol3755181711714"><b>Executed SQL Statements</b></span>, <span class="uicontrol" id="das_16_0006__uicontrol1076351720174"><b>Messages</b></span>, and <span class="uicontrol" id="das_16_0006__uicontrol187641917161720"><b>Result Set</b></span> tab pages.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_16_0002.html">Overview</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_16_0007.html b/docs/das/umn/das_16_0007.html
new file mode 100644
index 00000000..75be8f4e
--- /dev/null
+++ b/docs/das/umn/das_16_0007.html
@@ -0,0 +1,17 @@
+<a name="das_16_0007"></a><a name="das_16_0007"></a>
+
+<h1 class="topictitle1">Table Management</h1>
+<div id="body1587114667766"></div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_16_0008.html">Opening a Table</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_16_0009.html">Viewing Table Details</a></strong><br>
+</li>
+</ul>
+
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_16_0001.html">GaussDB(for Cassandra) DB Instance Management (Development Tool)</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_16_0008.html b/docs/das/umn/das_16_0008.html
new file mode 100644
index 00000000..a7fb949f
--- /dev/null
+++ b/docs/das/umn/das_16_0008.html
@@ -0,0 +1,71 @@
+<a name="das_16_0008"></a><a name="das_16_0008"></a>
+
+<h1 class="topictitle1">Opening a Table</h1>
+<div id="body1587114667768"><div class="section" id="das_16_0008__section1958785417259"><h4 class="sectiontitle">Prerequisites</h4><ul id="das_16_0008__ul11503721163118"><li id="das_16_0008__li20504142143113">At least one table has been created in the current keyspace.</li></ul>
+<div class="note" id="das_16_0008__note3633104462913"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="das_16_0008__p15633194402913">You can create tables in the SQL window.</p>
+</div></div>
+</div>
+<div class="section" id="das_16_0008__section92015282488"><h4 class="sectiontitle">Procedure</h4><ol id="das_16_0008__ol14181119113320"><li id="das_16_0008__li36501041115519"><span>On the top menu bar, choose <strong id="das_16_0008__b8895806397053">Keyspace Management</strong>. On the displayed <strong id="das_16_0008__b13223933667053">Objects</strong> page, select <strong id="das_16_0008__b1711725437053">Tables</strong>, locate the target table, and click <strong id="das_16_0008__b5245548097053">Open</strong> in the <strong id="das_16_0008__b960354827053">Operation</strong> column.</span></li><li id="das_16_0008__li689310281598"><span>On the table details page, double-click a cell to edit data. After adding or editing data, submit and save the changes.</span><p>
+<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="das_16_0008__table48931828115911" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Functions</caption><thead align="left"><tr id="das_16_0008__row10891132815596"><th align="left" class="cellrowborder" valign="top" width="27%" id="mcps1.3.2.2.2.2.1.2.3.1.1"><p id="das_16_0008__p189122819599">Item</p>
+</th>
+<th align="left" class="cellrowborder" valign="top" width="73%" id="mcps1.3.2.2.2.2.1.2.3.1.2"><p id="das_16_0008__p88911928195912">Description</p>
+</th>
+</tr>
+</thead>
+<tbody><tr id="das_16_0008__row18648270558"><td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.2.2.2.2.1.2.3.1.1 "><p id="das_16_0008__p2651275557">Where Condition</p>
+</td>
+<td class="cellrowborder" valign="top" width="73%" headers="mcps1.3.2.2.2.2.1.2.3.1.2 "><p id="das_16_0008__p165827115514">Filters records.</p>
+</td>
+</tr>
+<tr id="das_16_0008__row12271753165714"><td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.2.2.2.2.1.2.3.1.1 "><p id="das_16_0008__p1027110536574">Copy Row</p>
+</td>
+<td class="cellrowborder" valign="top" width="73%" headers="mcps1.3.2.2.2.2.1.2.3.1.2 "><p id="das_16_0008__p1271205317572">Copies data of the selected row. Specifically, double-click the target row and then click <strong id="das_16_0008__b194989412320">Copy Row</strong>.</p>
+</td>
+</tr>
+<tr id="das_16_0008__row1211422115"><td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.2.2.2.2.1.2.3.1.1 "><p id="das_16_0008__p81162314">Copy Column</p>
+</td>
+<td class="cellrowborder" valign="top" width="73%" headers="mcps1.3.2.2.2.2.1.2.3.1.2 "><p id="das_16_0008__p1511172117">Allows you to copy all data in a column by selecting this column from the <strong id="das_16_0008__b13338115152215">Copy Column</strong> drop-down list.</p>
+</td>
+</tr>
+<tr id="das_16_0008__row1321736918"><td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.2.2.2.2.1.2.3.1.1 "><p id="das_16_0008__p13892828195915">Column Settings</p>
+</td>
+<td class="cellrowborder" valign="top" width="73%" headers="mcps1.3.2.2.2.2.1.2.3.1.2 "><p id="das_16_0008__p589202819591">Allows you to set the columns you want to display.</p>
+</td>
+</tr>
+<tr id="das_16_0008__row1489142885917"><td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.2.2.2.2.1.2.3.1.1 "><p id="das_16_0008__p08912028115918">Refresh</p>
+</td>
+<td class="cellrowborder" valign="top" width="73%" headers="mcps1.3.2.2.2.2.1.2.3.1.2 "><p id="das_16_0008__p12891112810597">Allows you to update table data manually.</p>
+</td>
+</tr>
+<tr id="das_16_0008__row1892132825917"><td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.2.2.2.2.1.2.3.1.1 "><p id="das_16_0008__p1389120281598">Row Details</p>
+</td>
+<td class="cellrowborder" valign="top" width="73%" headers="mcps1.3.2.2.2.2.1.2.3.1.2 "><p id="das_16_0008__p1389282835916">Shows the detailed information of a specified row.</p>
+</td>
+</tr>
+<tr id="das_16_0008__row589222820594"><td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.2.2.2.2.1.2.3.1.1 "><p id="das_16_0008__p152631331154">Add</p>
+</td>
+<td class="cellrowborder" valign="top" width="73%" headers="mcps1.3.2.2.2.2.1.2.3.1.2 "><p id="das_16_0008__p182628332512">Allows you to add rows.</p>
+</td>
+</tr>
+<tr id="das_16_0008__row389282818599"><td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.2.2.2.2.1.2.3.1.1 "><p id="das_16_0008__p53157428117">Submit</p>
+</td>
+<td class="cellrowborder" valign="top" width="73%" headers="mcps1.3.2.2.2.2.1.2.3.1.2 "><p id="das_16_0008__p13313174212119">Allows you to submit and save the changes to data.</p>
+</td>
+</tr>
+<tr id="das_16_0008__row48939283598"><td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.2.2.2.2.1.2.3.1.1 "><p id="das_16_0008__p5893728155911">Delete Row</p>
+</td>
+<td class="cellrowborder" valign="top" width="73%" headers="mcps1.3.2.2.2.2.1.2.3.1.2 "><p id="das_16_0008__p1189318289593">Allows you to delete the selected rows.</p>
+</td>
+</tr>
+</tbody>
+</table>
+</div>
+</p></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_16_0007.html">Table Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_16_0009.html b/docs/das/umn/das_16_0009.html
new file mode 100644
index 00000000..c50f41d0
--- /dev/null
+++ b/docs/das/umn/das_16_0009.html
@@ -0,0 +1,14 @@
+<a name="das_16_0009"></a><a name="das_16_0009"></a>
+
+<h1 class="topictitle1">Viewing Table Details</h1>
+<div id="body1587114667772"><div class="section" id="das_16_0009__section1958785417259"><h4 class="sectiontitle">Prerequisites</h4><ul id="das_16_0009__ul1387528111115"><li id="das_16_0009__li19875683113">At least one table has been created in the current keyspace.</li></ul>
+</div>
+<div class="section" id="das_16_0009__section92015282488"><h4 class="sectiontitle">Procedure</h4><ol id="das_16_0009__ol020912236558"><li id="das_16_0009__li36501041115519"><span>On the top menu bar, choose <strong id="das_16_0009__b45869183765950">Keyspace Management</strong>.</span></li><li id="das_16_0009__li13867454203016"><span>On the displayed <strong id="das_16_0009__b36216375265950">Objects</strong> tab, choose <span class="uicontrol" id="das_16_0009__uicontrol140241316165950"><b>Tables</b></span> on the left, locate the target table, and click <strong id="das_16_0009__b157222577365950">View</strong> in the <strong id="das_16_0009__b207145723865950">Operation</strong> column.</span></li><li id="das_16_0009__li696971293415"><span>In the displayed dialog box, view basic table information and DDL statements.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_16_0007.html">Table Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_16_0010.html b/docs/das/umn/das_16_0010.html
new file mode 100644
index 00000000..ab1c6b64
--- /dev/null
+++ b/docs/das/umn/das_16_0010.html
@@ -0,0 +1,17 @@
+<a name="das_16_0010"></a><a name="das_16_0010"></a>
+
+<h1 class="topictitle1">View Management</h1>
+<div id="body1587459249633"></div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_16_0011.html">Opening a View</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_16_0012.html">Obtaining View Details</a></strong><br>
+</li>
+</ul>
+
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_16_0001.html">GaussDB(for Cassandra) DB Instance Management (Development Tool)</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_16_0011.html b/docs/das/umn/das_16_0011.html
new file mode 100644
index 00000000..870c35da
--- /dev/null
+++ b/docs/das/umn/das_16_0011.html
@@ -0,0 +1,46 @@
+<a name="das_16_0011"></a><a name="das_16_0011"></a>
+
+<h1 class="topictitle1">Opening a View</h1>
+<div id="body1587608746411"><div class="section" id="das_16_0011__section1958785417259"><h4 class="sectiontitle">Prerequisites</h4><ul id="das_16_0011__ul11503721163118"><li id="das_16_0011__li20504142143113">At least one view has been created in the current keyspace.</li></ul>
+<div class="note" id="das_16_0011__note3633104462913"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="das_16_0011__p15633194402913">You can create views in the SQL window.</p>
+</div></div>
+</div>
+<div class="section" id="das_16_0011__section1258781913102"><h4 class="sectiontitle">Procedure</h4><ol id="das_16_0011__ol14181119113320"><li id="das_16_0011__li36501041115519"><span>On the top menu bar, choose <strong id="das_16_0011__b5525169277059">Keyspace Management</strong>. On the displayed <strong id="das_16_0011__b11348713667059">Objects</strong> page, select <strong id="das_16_0011__b14830794287059">Views</strong>, locate the target view, and click <strong id="das_16_0011__b20895923337059">Open</strong> in the <strong id="das_16_0011__b6940907267059">Operation</strong> column.</span></li><li id="das_16_0011__li689310281598"><span>On the displayed page, you can obtain the view details, but cannot edit them.</span><p>
+<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="das_16_0011__table48931828115911" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Functions</caption><thead align="left"><tr id="das_16_0011__row10891132815596"><th align="left" class="cellrowborder" valign="top" width="27%" id="mcps1.3.2.2.2.2.1.2.3.1.1"><p id="das_16_0011__p189122819599">Item</p>
+</th>
+<th align="left" class="cellrowborder" valign="top" width="73%" id="mcps1.3.2.2.2.2.1.2.3.1.2"><p id="das_16_0011__p88911928195912">Description</p>
+</th>
+</tr>
+</thead>
+<tbody><tr id="das_16_0011__row18648270558"><td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.2.2.2.2.1.2.3.1.1 "><p id="das_16_0011__p2651275557">Where Condition</p>
+</td>
+<td class="cellrowborder" valign="top" width="73%" headers="mcps1.3.2.2.2.2.1.2.3.1.2 "><p id="das_16_0011__p165827115514">Filters records.</p>
+</td>
+</tr>
+<tr id="das_16_0011__row1211422115"><td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.2.2.2.2.1.2.3.1.1 "><p id="das_16_0011__p81162314">Copy Column</p>
+</td>
+<td class="cellrowborder" valign="top" width="73%" headers="mcps1.3.2.2.2.2.1.2.3.1.2 "><p id="das_16_0011__p1511172117">Allows you to copy all data in a column by selecting this column from the <strong id="das_16_0011__b187881745182311">Copy Column</strong> drop-down list.</p>
+</td>
+</tr>
+<tr id="das_16_0011__row1321736918"><td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.2.2.2.2.1.2.3.1.1 "><p id="das_16_0011__p13892828195915">Column Settings</p>
+</td>
+<td class="cellrowborder" valign="top" width="73%" headers="mcps1.3.2.2.2.2.1.2.3.1.2 "><p id="das_16_0011__p589202819591">Allows you to set the columns you want to display.</p>
+</td>
+</tr>
+<tr id="das_16_0011__row1489142885917"><td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.2.2.2.2.1.2.3.1.1 "><p id="das_16_0011__p08912028115918">Refresh</p>
+</td>
+<td class="cellrowborder" valign="top" width="73%" headers="mcps1.3.2.2.2.2.1.2.3.1.2 "><p id="das_16_0011__p12891112810597">Allows you to update table data manually.</p>
+</td>
+</tr>
+</tbody>
+</table>
+</div>
+</p></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_16_0010.html">View Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_16_0012.html b/docs/das/umn/das_16_0012.html
new file mode 100644
index 00000000..d4038b80
--- /dev/null
+++ b/docs/das/umn/das_16_0012.html
@@ -0,0 +1,16 @@
+<a name="das_16_0012"></a><a name="das_16_0012"></a>
+
+<h1 class="topictitle1">Obtaining View Details</h1>
+<div id="body1587608746411"><div class="section" id="das_16_0012__section1958785417259"><h4 class="sectiontitle">Prerequisites</h4><ul id="das_16_0012__ul11503721163118"><li id="das_16_0012__li20504142143113">At least one view has been created in the current keyspace.</li></ul>
+<div class="note" id="das_16_0012__note3633104462913"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="das_16_0012__p15633194402913">You can create views in the SQL window.</p>
+</div></div>
+</div>
+<div class="section" id="das_16_0012__section1258781913102"><h4 class="sectiontitle">Procedure</h4><ol id="das_16_0012__ol14181119113320"><li id="das_16_0012__li2938192918598"><span>On the top menu bar, choose <strong id="das_16_0012__b1776276112712">Keyspace Management</strong>. On the displayed <strong id="das_16_0012__b483998872712">Objects</strong> tab, choose <strong id="das_16_0012__b1180059604712">Views</strong> on the left. You may filter the target view by view name.</span></li><li id="das_16_0012__li36501041115519"><span>Locate the target view and click <strong id="das_16_0012__b1058443000712">View</strong> in the <strong id="das_16_0012__b1630138852712">Operation</strong> column.</span></li><li id="das_16_0012__li127128310335"><span>Obtain details of the current view. Then, click <strong id="das_16_0012__b875884876712">Close</strong>.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_16_0010.html">View Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_16_0013.html b/docs/das/umn/das_16_0013.html
new file mode 100644
index 00000000..306cc9f3
--- /dev/null
+++ b/docs/das/umn/das_16_0013.html
@@ -0,0 +1,15 @@
+<a name="das_16_0013"></a><a name="das_16_0013"></a>
+
+<h1 class="topictitle1">Custom Type</h1>
+<div id="body1587459249634"></div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_16_0014.html">Viewing Custom Type</a></strong><br>
+</li>
+</ul>
+
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_16_0001.html">GaussDB(for Cassandra) DB Instance Management (Development Tool)</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_16_0014.html b/docs/das/umn/das_16_0014.html
new file mode 100644
index 00000000..1c1c6d9f
--- /dev/null
+++ b/docs/das/umn/das_16_0014.html
@@ -0,0 +1,16 @@
+<a name="das_16_0014"></a><a name="das_16_0014"></a>
+
+<h1 class="topictitle1">Viewing Custom Type</h1>
+<div id="body1587608746412"><div class="section" id="das_16_0014__section1958785417259"><h4 class="sectiontitle">Prerequisites</h4><ul id="das_16_0014__ul11503721163118"><li id="das_16_0014__li20504142143113">At least one user-defined type has been created in the current keyspace.</li></ul>
+<div class="note" id="das_16_0014__note3633104462913"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="das_16_0014__p6697181615018">If the basic types do not meet your requirements or are inconvenient for use, you can create a new type in the SQL window.</p>
+</div></div>
+</div>
+<div class="section" id="das_16_0014__section1258781913102"><h4 class="sectiontitle">Procedure</h4><ol id="das_16_0014__ol14181119113320"><li id="das_16_0014__li1342933015586"><span>On the top menu bar, choose <strong id="das_16_0014__b9878027777219">Keyspace Management</strong>. On the displayed <strong id="das_16_0014__b11774520797219">Objects</strong> tab, choose <strong id="das_16_0014__b7132312347219">Custom Types</strong> on the left. You may filter the target user type by user type name.</span></li><li id="das_16_0014__li36501041115519"><span>Locate the target user type and click <strong id="das_16_0014__b20919639017219">View</strong> in the <strong id="das_16_0014__b6398414467219">Operation</strong> column.</span></li><li id="das_16_0014__li9467173923620"><span>Obtain details of the current user type. Then, click <strong id="das_16_0014__b12501607977219">Close</strong>.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_16_0013.html">Custom Type</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_16_0015.html b/docs/das/umn/das_16_0015.html
new file mode 100644
index 00000000..fac48856
--- /dev/null
+++ b/docs/das/umn/das_16_0015.html
@@ -0,0 +1,17 @@
+<a name="das_16_0015"></a><a name="das_16_0015"></a>
+
+<h1 class="topictitle1">SQL Operations</h1>
+<div id="body1587114667781"></div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_16_0016.html">SQL Window</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_16_0017.html">SQL History</a></strong><br>
+</li>
+</ul>
+
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_16_0001.html">GaussDB(for Cassandra) DB Instance Management (Development Tool)</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_16_0016.html b/docs/das/umn/das_16_0016.html
new file mode 100644
index 00000000..f5006108
--- /dev/null
+++ b/docs/das/umn/das_16_0016.html
@@ -0,0 +1,15 @@
+<a name="das_16_0016"></a><a name="das_16_0016"></a>
+
+<h1 class="topictitle1">SQL Window</h1>
+<div id="body1587114668476"><div class="section" id="das_16_0016__section92015282488"><h4 class="sectiontitle">Procedure</h4><ol id="das_16_0016__ol11700203645918"><li id="das_16_0016__li865994011591"><span>On the top menu bar, choose <strong id="das_16_0016__b147561741202811">SQL Operations</strong> &gt; <strong id="das_16_0016__b17761164122813">SQL Window</strong>.</span></li><li id="das_16_0016__li8579140123110"><span>In the navigation pane on the left, select a keyspace, and specify a table or view.</span><p><ul id="das_16_0016__ul1950845942010"><li id="das_16_0016__li1507185922015"><strong id="das_16_0016__b7772296037017">Execute SQL</strong>: executes SQL statements.</li><li id="das_16_0016__li223053351714"><strong id="das_16_0016__b3511111152914">Format SQL</strong>: improves the readability of SQL statements. Formatting SQL statements enables statements to be displayed in line break mode, but does not change their logic and semantics.<p id="das_16_0016__p12230123361714">The formatting takes effect for all the SQL statements in the SQL window. You cannot format only the selected statements.</p>
+</li><li id="das_16_0016__li13699150113619"><strong id="das_16_0016__b16485520294">Execute SQL Plan</strong>: reports the execution of SQL statements to facilitate troubleshooting and optimize SQL processing performance.</li><li id="das_16_0016__li0990852375"><strong id="das_16_0016__b182917692913">SQL Favorites</strong>: allows you to add, view, and manage frequently used SQL statements.</li><li id="das_16_0016__li19176413183214"><strong id="das_16_0016__b83614932912">SQL Input Prompt</strong>: helps you to select your desired database, table, or field name as prompted to quickly enter statements in the SQL window.</li><li id="das_16_0016__li1962131717358">Overwrite/Append Mode:<ul id="das_16_0016__ul18375142712350"><li id="das_16_0016__li0509132333515"><strong id="das_16_0016__b1546171214292">Append Mode:</strong> Each time a SQL statement is executed, the new result set is appended to the previous one.</li><li id="das_16_0016__li387121993417"><strong id="das_16_0016__b79220147292">Overwrite Mode</strong>: Each time a SQL statement is executed, the new result set overwrites the previous one.</li></ul>
+</li><li id="das_16_0016__li1060919373347"><strong id="das_16_0016__b1746613157294">Full Screen</strong>: shows SQL statements on a full screen.</li></ul>
+</p></li><li id="das_16_0016__li1848471915447"><span>After SQL statements are executed, view SQL execution status on the <span class="uicontrol" id="das_16_0016__uicontrol3359889341"><b>Executed SQL Statements</b></span>, <span class="uicontrol" id="das_16_0016__uicontrol236019820341"><b>Messages</b></span>, and <span class="uicontrol" id="das_16_0016__uicontrol53629813342"><b>Result Set</b></span> tab pages.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_16_0015.html">SQL Operations</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_16_0017.html b/docs/das/umn/das_16_0017.html
new file mode 100644
index 00000000..7aec90c1
--- /dev/null
+++ b/docs/das/umn/das_16_0017.html
@@ -0,0 +1,13 @@
+<a name="das_16_0017"></a><a name="das_16_0017"></a>
+
+<h1 class="topictitle1">SQL History</h1>
+<div id="body1587114668478"><div class="section" id="das_16_0017__section11762204110325"><h4 class="sectiontitle">Procedure</h4><ol id="das_16_0017__ol1976311419326"><li id="das_16_0017__li865994011591"><span>On the top menu bar, choose <strong id="das_16_0017__b20334806317151">SQL Operations</strong> &gt; <strong id="das_16_0017__b2121467277151">SQL History</strong>.</span></li><li id="das_16_0017__li12855234373"><span>On the displayed page, search for the execution information about the target SQL by time range, keyspace name, or keyword.</span><p><ul id="das_16_0017__ul990463320269"><li id="das_16_0017__li19904183372617">To go to the <strong id="das_16_0017__b20522700327151">Keyspace Management</strong> page, click a keyspace name.</li><li id="das_16_0017__li13280101315273">To copy and use your required SQL statements, click the SQL statement in the <strong id="das_16_0017__b329083822920">SQL Statement</strong> column.</li><li id="das_16_0017__li10794316182815">To directly execute a SQL statement, click <strong id="das_16_0017__b861110406295">Open in SQL Window</strong> in the <strong id="das_16_0017__b12612114052917">Operation</strong> column.</li></ul>
+</p></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_16_0015.html">SQL Operations</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_16_0018.html b/docs/das/umn/das_16_0018.html
new file mode 100644
index 00000000..c4d948c7
--- /dev/null
+++ b/docs/das/umn/das_16_0018.html
@@ -0,0 +1,15 @@
+<a name="das_16_0018"></a><a name="das_16_0018"></a>
+
+<h1 class="topictitle1">Other Operations</h1>
+<div id="body1587114668483"></div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_16_0019.html">Role Management</a></strong><br>
+</li>
+</ul>
+
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_16_0001.html">GaussDB(for Cassandra) DB Instance Management (Development Tool)</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_16_0019.html b/docs/das/umn/das_16_0019.html
new file mode 100644
index 00000000..d84986ce
--- /dev/null
+++ b/docs/das/umn/das_16_0019.html
@@ -0,0 +1,17 @@
+<a name="das_16_0019"></a><a name="das_16_0019"></a>
+
+<h1 class="topictitle1">Role Management</h1>
+<div id="body1587114669486"><div class="section" id="das_16_0019__section192331323135212"><h4 class="sectiontitle">Procedure</h4><ol id="das_16_0019__ol1314114919495"><li id="das_16_0019__li339010195229"><span>On the top menu bar, choose <strong id="das_16_0019__b35767423565944">Account Management</strong> &gt; <strong id="das_16_0019__b201065846865944">Role Management</strong>.</span></li><li id="das_16_0019__li17289921202"><span>On the role management page, click <span class="uicontrol" id="das_16_0019__uicontrol36101508308"><b>Create Role</b></span> in the upper left corner.</span></li><li id="das_16_0019__li1344204304915"><a name="das_16_0019__li1344204304915"></a><a name="li1344204304915"></a><span>Set the parameters on the <strong id="das_16_0019__b319116315492">Basic Information</strong>, <strong id="das_16_0019__b291112225491">Data Permissions</strong>, and <strong id="das_16_0019__b1411191664915">Role Permissions</strong> tab pages.</span><p><p id="das_16_0019__p7527142291314">On the <strong id="das_16_0019__b9129351465944">Basic Information</strong> tab, enter a role name (mandatory), set a password, and confirm the password. You can select a role name from role members to assign the permissions of an existing role to the current role. If you do not need to set data permissions and role permissions for the role, click <span class="uicontrol" id="das_16_0019__uicontrol103388300465944"><b>Save</b></span> in the lower part of the page and then click <span class="uicontrol" id="das_16_0019__uicontrol159914849165944"><b>OK</b></span> in the displayed <strong id="das_16_0019__b181619666565944">SQL Preview</strong> dialog box.</p>
+<div class="note" id="das_16_0019__note1191952544615"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="das_16_0019__p19919202513464">If no password is set for the role (for example, role_03) or <span class="uicontrol" id="das_16_0019__uicontrol116681334175511"><b>Allow Login</b></span> is not selected for the role, role_03 cannot be used to log in to the database. If the permissions of role_03 are then assigned to another role (for example, test_02), test_02 will have all the permissions of role_03.</p>
+</div></div>
+</p></li><li id="das_16_0019__li7282884412"><span>(Optional) On the <strong id="das_16_0019__b753945643115">Data Permissions</strong> tab, click <span class="uicontrol" id="das_16_0019__uicontrol10544195617311"><b>Add</b></span>. On the displayed page, set parameters as required, and then click <span class="uicontrol" id="das_16_0019__uicontrol14545956103120"><b>OK</b></span>. If you do not need to set other options, click <strong id="das_16_0019__b20209183373114">Save</strong> in the lower part of the page and then click <strong id="das_16_0019__b15209433103118">OK</strong> in the displayed <strong id="das_16_0019__b820973315316">SQL Preview</strong> dialog box.</span></li><li id="das_16_0019__li2400155210220"><a name="das_16_0019__li2400155210220"></a><a name="li2400155210220"></a><span>(Optional) On the <strong id="das_16_0019__b111964496565944">Role Permissions</strong> tab, click <span class="uicontrol" id="das_16_0019__uicontrol146831686665944"><b>Add</b></span>. On the displayed page, select a resource type, role name, and permissions as required, and then click <strong id="das_16_0019__b121143387065944">OK</strong>. If you do not need to set other options, click <strong id="das_16_0019__b9482171417311">Save</strong> in the lower part of the page and then click <strong id="das_16_0019__b348771410312">OK</strong> in the displayed <strong id="das_16_0019__b4487151411313">SQL Preview</strong> dialog box.</span></li><li id="das_16_0019__li146641721515"><span>On the role management page, edit existing roles if needed. For how to edit a role, see <a href="#das_16_0019__li1344204304915">3</a> to <a href="#das_16_0019__li2400155210220">5</a>. Delete existing roles if needed. Deleted roles cannot be restored. Exercise caution when performing this operation.</span><p><div class="note" id="das_16_0019__note12261928153215"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="das_16_0019__p62628285327">The admin, monitor, backupuser, and rwuser roles are system roles and cannot be edited or deleted.</p>
+</div></div>
+</p></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_16_0018.html">Other Operations</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_16_0020.html b/docs/das/umn/das_16_0020.html
new file mode 100644
index 00000000..05429ccd
--- /dev/null
+++ b/docs/das/umn/das_16_0020.html
@@ -0,0 +1,17 @@
+<a name="das_16_0020"></a><a name="das_16_0020"></a>
+
+<h1 class="topictitle1">Import and Export</h1>
+<div id="body1591432785792"></div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_16_0021.html">Data Import</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_16_0022.html">Data Export</a></strong><br>
+</li>
+</ul>
+
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_16_0001.html">GaussDB(for Cassandra) DB Instance Management (Development Tool)</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_16_0021.html b/docs/das/umn/das_16_0021.html
new file mode 100644
index 00000000..88bf57ce
--- /dev/null
+++ b/docs/das/umn/das_16_0021.html
@@ -0,0 +1,23 @@
+<a name="das_16_0021"></a><a name="das_16_0021"></a>
+
+<h1 class="topictitle1">Data Import</h1>
+<div id="body1591432785794"><div class="section" id="das_16_0021__section60461353162212"><h4 class="sectiontitle">Scenarios</h4><p id="das_16_0021__p6183734545">Import data into a table for backup or data migration. The table structure to be imported must be the same as that of the target table. If you import a CSV or SQL file, the data type of the target table must be the same.</p>
+<p id="das_16_0021__p838663920460">The imported file should be no larger than 10 GB.</p>
+</div>
+<div class="section" id="das_16_0021__section1162734294714"><h4 class="sectiontitle">Procedure</h4><ol id="das_16_0021__ol76294420471"><li id="das_16_0021__li75504128499"><span>On the top menu bar, choose <strong id="das_16_0021__b6028206867216">Import and Export</strong> &gt; <strong id="das_16_0021__b15730002907216">Import</strong>.</span></li><li id="das_16_0021__li14606735163019"><span>Import a file from your local PC or an OBS bucket.</span><p><ul id="das_16_0021__ul15476152010323"><li id="das_16_0021__li1747622003210">From your local PC</li></ul>
+<p id="das_16_0021__p16890194123212">In the upper left corner, click <span class="uicontrol" id="das_16_0021__uicontrol42535161205"><b>Create Task</b></span>. On the displayed page, select an import type, select <span class="uicontrol" id="das_16_0021__uicontrol126413166201"><b>Upload file</b></span> for <strong id="das_16_0021__b82660165207">File Source</strong>, set the attachment storage, and upload the file. Then, select the keyspace, charset, and set other parameters as required.</p>
+<div class="note" id="das_16_0021__note11568145963212"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="das_16_0021__ul151961642185010"><li id="das_16_0021__li121962425502">To keep your data secure, provide your own OBS bucket to store the attachments you upload. In this way, DAS automatically connects to your OBS bucket for in-memory reading.</li><li id="das_16_0021__li75541243125014">If you select <strong id="das_16_0021__b49449181225">Delete the uploaded file upon an import success</strong>, the file you upload will be automatically deleted from the OBS bucket after being imported to the destination database.</li></ul>
+</div></div>
+<ul id="das_16_0021__ul135478113356"><li id="das_16_0021__li1547101114353">From an OBS bucket<p id="das_16_0021__p1373115163614"><a name="das_16_0021__li1547101114353"></a><a name="li1547101114353"></a>In the upper left corner, click <span class="uicontrol" id="das_16_0021__uicontrol12614934162218"><b>Create Task</b></span>. On the displayed page, select an import type, select <span class="uicontrol" id="das_16_0021__uicontrol0623133411225"><b>Choose from OBS</b></span> for <strong id="das_16_0021__b15624834142216">File Source</strong>, and select a file from the bucket. Then, select the keyspace, charset, and set other parameters as required.</p>
+</li></ul>
+<div class="note" id="das_16_0021__note15533129153"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="das_16_0021__p14541812111520">The file uploaded from an OBS bucket will not be deleted upon an import success.</p>
+</div></div>
+</p></li><li id="das_16_0021__li1710175616497"><span>After the settings are complete, click <strong id="das_16_0021__b7537134212271">Create</strong>. Confirm the information again before you click <strong id="das_16_0021__b873164552710">OK</strong> because original data may be overwritten after data import.</span></li><li id="das_16_0021__li145843244818"><span>View the import progress in the task list or check task details.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_16_0020.html">Import and Export</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_16_0022.html b/docs/das/umn/das_16_0022.html
new file mode 100644
index 00000000..b36e3d80
--- /dev/null
+++ b/docs/das/umn/das_16_0022.html
@@ -0,0 +1,15 @@
+<a name="das_16_0022"></a><a name="das_16_0022"></a>
+
+<h1 class="topictitle1">Data Export</h1>
+<div id="body1591432785795"><div class="section" id="das_16_0022__section60461353162212"><h4 class="sectiontitle">Scenarios</h4><p id="das_16_0022__p4287447473">DAS supports pagination query to meet your requirements for querying large amounts of data. You can export all the data at a time when backing up or migrating data.</p>
+</div>
+<div class="section" id="das_16_0022__section058414597474"><h4 class="sectiontitle">Procedure</h4><ol id="das_16_0022__ol11642542194818"><li id="das_16_0022__li4510447145515"><span>On the top menu bar, choose <strong id="das_16_0022__b1780917415281">Import and Export</strong> &gt; <strong id="das_16_0022__b128146492815">Export</strong>.</span></li><li id="das_16_0022__li19543219454"><span>On the <strong id="das_16_0022__b18710171218291">Export</strong> page, click <strong id="das_16_0022__b13710712102910">Create Task</strong> in the upper left corner and choose <strong id="das_16_0022__b671061212296">Export Keyspace</strong> or <strong id="das_16_0022__b1871121272911">Export CQL Result</strong> as required. The following describes how to export keyspace. The procedure for exporting a CQL result set is similar.</span><p><p id="das_16_0022__p1494911421134">Alternatively, you can click <strong id="das_16_0022__b692734842729">Quick Export</strong> to export the specified data information quickly.</p>
+</p></li><li id="das_16_0022__li11471916598"><span>In the displayed dialog box, set parameters under <strong id="das_16_0022__b2112683085729">Basic Information</strong> and select options under <strong id="das_16_0022__b1141546078729">Advanced Settings</strong> as required, and select the table to be exported in the right pane.</span></li><li id="das_16_0022__li11439175804"><span>After settings are complete, click <strong id="das_16_0022__b1923395216729">OK</strong>.</span></li><li id="das_16_0022__li92619315319"><span>In the task list, view the task ID, type, status, and progress.</span></li><li id="das_16_0022__li15086018120"><span>Click <strong id="das_16_0022__b1834116211654">Details</strong> in the <strong id="das_16_0022__b9342162120515">Operation</strong> column to view task details.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_16_0020.html">Import and Export</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_16_0023.html b/docs/das/umn/das_16_0023.html
new file mode 100644
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--- /dev/null
+++ b/docs/das/umn/das_16_0023.html
@@ -0,0 +1,23 @@
+<a name="das_16_0023"></a><a name="das_16_0023"></a>
+
+<h1 class="topictitle1">GaussDB (for openGauss) DB Instance Management (Development Tool)</h1>
+<div id="body0000001083752596"></div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_16_0024.html">Homepage</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_16_0028.html">SQL Operations</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_16_0034.html">Database Management</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_16_0047.html">Import and Export</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_16_0050.html">Account Management</a></strong><br>
+</li>
+</ul>
+
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_20_0011.html">User Guide</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_16_0024.html b/docs/das/umn/das_16_0024.html
new file mode 100644
index 00000000..4f90b13c
--- /dev/null
+++ b/docs/das/umn/das_16_0024.html
@@ -0,0 +1,25 @@
+<a name="das_16_0024"></a><a name="das_16_0024"></a>
+
+<h1 class="topictitle1">Homepage</h1>
+<div id="body0000001130982959"></div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_16_0025.html">Overview</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_16_0026.html">Creating a Database</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_16_0027.html">Deleting a Database</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_19_0015.html">Creating a Schema</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_20_0031.html">Opening a Schema</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_20_0032.html">Dropping a Schema</a></strong><br>
+</li>
+</ul>
+
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_16_0023.html">GaussDB (for openGauss) DB Instance Management (Development Tool)</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_16_0025.html b/docs/das/umn/das_16_0025.html
new file mode 100644
index 00000000..7c9997c2
--- /dev/null
+++ b/docs/das/umn/das_16_0025.html
@@ -0,0 +1,47 @@
+<a name="das_16_0025"></a><a name="das_16_0025"></a>
+
+<h1 class="topictitle1">Overview</h1>
+<div id="body0000001130580159"><div class="section" id="das_16_0025__section1482419202814"><h4 class="sectiontitle">Logging In to a DB Instance</h4><ol id="das_16_0025__ol1251491219247"><li id="das_16_0025__li2684163283620"><span>Obtain the login permission and log in to the DAS console.</span></li><li id="das_16_0025__li583012112535"><span>In the login list of Development Tool, locate the DB instance you want to log in to and click <strong id="das_16_0025__b34185426161">Log In</strong> in the <strong id="das_16_0025__b1141954213160">Operation</strong> column.</span><p><p id="das_16_0025__p221015213533">For more login information, see <a href="das_03_0003.html">Logging In to a Database</a>.</p>
+</p></li></ol>
+</div>
+<div class="section" id="das_16_0025__section42761717505"><h4 class="sectiontitle">Function Overview</h4><div class="fignone" id="das_16_0025__fig196012321215"><span class="figcap"><b>Figure 1 </b>GaussDB(for openGauss) management homepage</span><br><span><img id="das_16_0025__image61188225218" src="en-us_image_0000001337271928.png"></span></div>
+</div>
+
+<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="das_16_0025__table1780123141716" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Functions</caption><thead align="left"><tr id="das_16_0025__row11801531181717"><th align="left" class="cellrowborder" valign="top" width="34.03%" id="mcps1.3.3.2.3.1.1"><p id="das_16_0025__p1080143181714">Function</p>
+</th>
+<th align="left" class="cellrowborder" valign="top" width="65.97%" id="mcps1.3.3.2.3.1.2"><p id="das_16_0025__p19823318173">Description</p>
+</th>
+</tr>
+</thead>
+<tbody><tr id="das_16_0025__row582173120171"><td class="cellrowborder" valign="top" width="34.03%" headers="mcps1.3.3.2.3.1.1 "><p id="das_16_0025__p1182431101716">Top menu bar</p>
+</td>
+<td class="cellrowborder" valign="top" width="65.97%" headers="mcps1.3.3.2.3.1.2 "><ul id="das_16_0025__ul1918554117443"><li id="das_16_0025__li2018611416448">SQL Operations</li><li id="das_16_0025__li518634112441">Database Management</li><li id="das_16_0025__li131863415445">Import and Export</li><li id="das_16_0025__li518654174418">Account Management</li></ul>
+</td>
+</tr>
+<tr id="das_16_0025__row15824312178"><td class="cellrowborder" valign="top" width="34.03%" headers="mcps1.3.3.2.3.1.1 "><p id="das_16_0025__p109641141101216">Account information and logout</p>
+</td>
+<td class="cellrowborder" valign="top" width="65.97%" headers="mcps1.3.3.2.3.1.2 "><p id="das_16_0025__p596220415122">Displays the current account information and a logout button.</p>
+</td>
+</tr>
+<tr id="das_16_0025__row178791941122314"><td class="cellrowborder" valign="top" width="34.03%" headers="mcps1.3.3.2.3.1.1 "><p id="das_16_0025__p19880141142317">DB instance information</p>
+</td>
+<td class="cellrowborder" valign="top" width="65.97%" headers="mcps1.3.3.2.3.1.2 "><p id="das_16_0025__p1788024122317">Displays the current database information, such as the DB engine logo, DB instance name, and DB engine version.</p>
+</td>
+</tr>
+<tr id="das_16_0025__row1435918414126"><td class="cellrowborder" valign="top" width="34.03%" headers="mcps1.3.3.2.3.1.1 "><p id="das_16_0025__p1582133117176">Database list</p>
+</td>
+<td class="cellrowborder" valign="top" width="65.97%" headers="mcps1.3.3.2.3.1.2 "><p id="das_16_0025__p1099720524289">Displays the databases of the current DB instance, including user databases and system databases.</p>
+<p id="das_16_0025__p6648121332111">Allows you to search for a database by name.</p>
+<p id="das_16_0025__p14397133182914">Allows you to create databases.</p>
+</td>
+</tr>
+</tbody>
+</table>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_16_0024.html">Homepage</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_16_0026.html b/docs/das/umn/das_16_0026.html
new file mode 100644
index 00000000..6470b9f3
--- /dev/null
+++ b/docs/das/umn/das_16_0026.html
@@ -0,0 +1,15 @@
+<a name="das_16_0026"></a><a name="das_16_0026"></a>
+
+<h1 class="topictitle1">Creating a Database</h1>
+<div id="body0000001084200676"><div class="section" id="das_16_0026__section8389334183913"><h4 class="sectiontitle">Procedure</h4><ol id="das_16_0026__ol2089904013560"><li id="das_16_0026__li1989954055610"><span>In the database list of the <strong id="das_16_0026__b51391911152716">Home</strong> page, click <span class="uicontrol" id="das_16_0026__uicontrol114081112713"><b>Create Database</b></span>.</span></li><li id="das_16_0026__li183231794584"><span>In the displayed dialog box, enter a database name and specify the character set, template, and other required options.</span><p><div class="note" id="das_16_0026__note1079881912118"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="das_16_0026__p795783211244">You can execute the following SQL statement to query system table <strong id="das_16_0026__b31373914210">pg_collation</strong> and view character sets and their corresponding collations and collation types:</p>
+<p id="das_16_0026__p0799141915212">select pg_encoding_to_char(collencoding) as encoding,collname,collcollate,collctype from pg_collation ;</p>
+</div></div>
+</p></li><li id="das_16_0026__li19802321214"><span>Click <span class="uicontrol" id="das_16_0026__uicontrol2304929192716"><b>OK</b></span>. The database you create appears in the database list.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_16_0024.html">Homepage</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_16_0027.html b/docs/das/umn/das_16_0027.html
new file mode 100644
index 00000000..bcb50204
--- /dev/null
+++ b/docs/das/umn/das_16_0027.html
@@ -0,0 +1,12 @@
+<a name="das_16_0027"></a><a name="das_16_0027"></a>
+
+<h1 class="topictitle1">Deleting a Database</h1>
+<div id="body0000001083881090"><div class="section" id="das_16_0027__section1443795211393"><h4 class="sectiontitle">Procedure</h4><ol id="das_16_0027__ol11700203645918"><li id="das_16_0027__li865994011591"><span>In the database list, locate the database you want to delete and click <span class="uicontrol" id="das_16_0027__uicontrol172991954115319"><b>Delete</b></span> in the <strong id="das_16_0027__b58773415298">Operation</strong> column.</span></li><li id="das_16_0027__li1837517571311"><span>In the displayed dialog box, click <span class="uicontrol" id="das_16_0027__uicontrol5141311163013"><b>Yes</b></span>.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_16_0024.html">Homepage</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_16_0028.html b/docs/das/umn/das_16_0028.html
new file mode 100644
index 00000000..78600d91
--- /dev/null
+++ b/docs/das/umn/das_16_0028.html
@@ -0,0 +1,23 @@
+<a name="das_16_0028"></a><a name="das_16_0028"></a>
+
+<h1 class="topictitle1">SQL Operations</h1>
+<div id="body0000001084040722"></div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_16_0029.html">SQL Window</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_16_0030.html">Executing SQL Statements</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_16_0031.html">Executing SQL Plan</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_16_0032.html">SQL Favorites</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_16_0033.html">SQL History</a></strong><br>
+</li>
+</ul>
+
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_16_0023.html">GaussDB (for openGauss) DB Instance Management (Development Tool)</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_16_0029.html b/docs/das/umn/das_16_0029.html
new file mode 100644
index 00000000..861ce6a1
--- /dev/null
+++ b/docs/das/umn/das_16_0029.html
@@ -0,0 +1,17 @@
+<a name="das_16_0029"></a><a name="das_16_0029"></a>
+
+<h1 class="topictitle1">SQL Window</h1>
+<div id="body0000001130857345"><div class="section" id="das_16_0029__section1028345551719"><h4 class="sectiontitle">Procedure</h4><ol id="das_16_0029__ol11700203645918"><li id="das_16_0029__li1240616155615"><span>Log in to the GaussDB(for openGauss) management homepage.</span></li><li id="das_16_0029__li865994011591"><span>On the top menu bar, choose <strong id="das_16_0029__b1742351522219">SQL Operations</strong> &gt; <strong id="das_16_0029__b843061552213">SQL Window</strong>.</span></li><li id="das_16_0029__li1689344713564"><span>Check whether there are any schemas other than system schemas exist.</span></li><li id="das_16_0029__li491815523571"><span>If not, create a schema according to <a href="das_19_0015.html">Creating a Schema</a> and then perform SQL operations.</span><p><div class="note" id="das_16_0029__note375955473420"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="das_16_0029__p1231920135320">After a database is created, you need to create a schema before performing any SQL operations.</p>
+</div></div>
+</p></li><li id="das_16_0029__li9888141281210"><span>In the navigation pane, select a database, and then specify a table or view.</span><p><ul id="das_16_0029__ul154627317148"><li id="das_16_0029__li146103141413"><strong id="das_16_0029__b258622416325">Execute SQL</strong>: executes SQL statements.</li><li id="das_16_0029__li10461173141419"><strong id="das_16_0029__b1836162773213">Execute SQL Plan</strong>: reports the execution of SQL statements to facilitate troubleshooting and optimize SQL processing performance.</li><li id="das_16_0029__li946112331413"><strong id="das_16_0029__b173201129173217">SQL Favorites</strong>: allows you to add, view, and manage frequently used SQL statements.</li><li id="das_16_0029__li3265145882210"><strong id="das_16_0029__b2219144972016">Format SQL</strong>: improves the readability of SQL statements. Formatting SQL statements enables statements to be displayed in line break mode, but does not change their logic and semantics.<p id="das_16_0029__p9241133211126">The formatting takes effect for all the SQL statements in the SQL window. You cannot format only the selected statements.</p>
+</li><li id="das_16_0029__li19176413183214"><strong id="das_16_0029__b089145782410">SQL Input Prompt</strong>: helps you to select your desired database, table, or field name as prompted to quickly enter statements in the SQL window.</li><li id="das_16_0029__li1962131717358">Overwrite/Append Mode:<ul id="das_16_0029__ul18375142712350"><li id="das_16_0029__li0509132333515"><strong id="das_16_0029__b666161619250">Append Mode:</strong> Each time a SQL statement is executed, the new result set is appended to the previous one.</li><li id="das_16_0029__li387121993417"><strong id="das_16_0029__b1175664722312">Overwrite Mode</strong>: Each time a SQL statement is executed, the new result set overwrites the previous one.</li></ul>
+</li><li id="das_16_0029__li1060919373347"><strong id="das_16_0029__b1386874311235">Full Screen</strong>: shows SQL statements on a full screen.</li></ul>
+</p></li><li id="das_16_0029__li87941948184411"><span>After SQL statements are executed, view SQL execution status on the <span class="uicontrol" id="das_16_0029__uicontrol174858105330"><b>Executed SQL Statements</b></span>, <span class="uicontrol" id="das_16_0029__uicontrol049520109331"><b>Messages</b></span>, and <span class="uicontrol" id="das_16_0029__uicontrol12496161017337"><b>Result Set</b></span> tab pages.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_16_0028.html">SQL Operations</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_16_0030.html b/docs/das/umn/das_16_0030.html
new file mode 100644
index 00000000..62c6f3f6
--- /dev/null
+++ b/docs/das/umn/das_16_0030.html
@@ -0,0 +1,15 @@
+<a name="das_16_0030"></a><a name="das_16_0030"></a>
+
+<h1 class="topictitle1">Executing SQL Statements</h1>
+<div id="body0000001130718437"><div class="section" id="das_16_0030__section174145344345"><h4 class="sectiontitle">Procedure</h4><ol id="das_16_0030__ol357117409449"><li id="das_16_0030__li38761328204514"><span>On the top menu bar, choose <strong id="das_16_0030__b1956993455211">SQL Operations</strong> &gt; <strong id="das_16_0030__b257083418520">SQL Window</strong>. In the SQL window, select a database and a schema from the navigation pane.</span></li><li id="das_16_0030__li865994011591"><span>Enter SQL statements in the SQL window and click <strong id="das_16_0030__b251638162918">Execute SQL</strong>.</span><p><ul id="das_16_0030__ul1445123491616"><li id="das_16_0030__li718811132125">You are advised to enable <strong id="das_16_0030__b2096334412297">SQL Input Prompt</strong>. It helps you to select your desired database, table, or field name as prompted to quickly enter statements in the SQL window.</li><li id="das_16_0030__li15444103481615">To execute multiple SQL statements at a time, separate them using semicolons (;). In this case, click <strong id="das_16_0030__b660716491318">Full Screen</strong> to view the logics in SQL statements clearly.<ul id="das_16_0030__ul8566150131816"><li id="das_16_0030__li16444133491614">To execute some of the SQL statements, select the statements before executing them.</li><li id="das_16_0030__li244515348169">To execute all the SQL statements, do not select any SQL statements or select all of them.</li></ul>
+</li></ul>
+</p></li><li id="das_16_0030__li125091725194618"><span>View the executed SQL statements and the current execution status in the lower part of the page. On the <strong id="das_16_0030__b10991133273411">Messages</strong> tab page, view the execution information, including SQL splitting, execution status, and elapsed time.</span></li><li id="das_16_0030__li53576710813"><span>On the <strong id="das_16_0030__b84711503365">Result Sets</strong> tab, view the execution details. You can perform the following operations on the result sets:</span><p><ul id="das_16_0030__ul373662017207"><li id="das_16_0030__li17703191442115"><strong id="das_16_0030__b411812422375">Copy Row</strong>/<strong id="das_16_0030__b1537114443711">Copy Column</strong>: copies a row or column for reuse.</li><li id="das_16_0030__li117914246215"><strong id="das_16_0030__b34949466373">Column Settings</strong>: customizes the columns to display when there are a large number of columns in the query result.</li><li id="das_16_0030__li1373713202202"><strong id="das_16_0030__b4762434103819">Refresh</strong>: refreshes the changed data.</li><li id="das_16_0030__li339919276206"><strong id="das_16_0030__b183231928105618">Row Details</strong>: displays the column field name, value, and type of the selected row.</li></ul>
+</p></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_16_0028.html">SQL Operations</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_16_0031.html b/docs/das/umn/das_16_0031.html
new file mode 100644
index 00000000..388736ad
--- /dev/null
+++ b/docs/das/umn/das_16_0031.html
@@ -0,0 +1,15 @@
+<a name="das_16_0031"></a><a name="das_16_0031"></a>
+
+<h1 class="topictitle1">Executing SQL Plan</h1>
+<div id="body0000001083752598"><div class="section" id="das_16_0031__section60461353162212"><h4 class="sectiontitle">Scenarios</h4><p id="das_16_0031__p4287447473">This section describes how to analyze the execution efficiency of the current SQL statement.</p>
+</div>
+<div class="section" id="das_16_0031__section159371298226"><h4 class="sectiontitle">Procedure</h4><ol id="das_16_0031__ol6397961556"><li id="das_16_0031__li1346814311418"><span>On the top menu bar, choose <strong id="das_16_0031__b7927945145212">SQL Operations</strong> &gt; <strong id="das_16_0031__b892714454525">SQL Window</strong>. On the displayed page, select a database and a schema from the navigation pane.</span></li><li id="das_16_0031__li38761328204514"><span>Enter SQL statements in the SQL window and click <strong id="das_16_0031__b53773417422">Execute SQL Plan</strong>.</span><p><ul id="das_16_0031__ul11834711101920"><li id="das_16_0031__li8387171412616">On the <strong id="das_16_0031__b06819917436">Executed SQL Statements</strong> tab page, view the historical SQL executions.</li><li id="das_16_0031__li183471121914">On the <strong id="das_16_0031__b9291719164310">Messages</strong> tab page, view the execution information, including SQL splitting, execution status, and elapsed time.</li><li id="das_16_0031__li48001613141919">On the <strong id="das_16_0031__b1194163818616">Execution Plan</strong> tab page, view the execution status for each SQL statement.</li></ul>
+</p></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_16_0028.html">SQL Operations</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_16_0032.html b/docs/das/umn/das_16_0032.html
new file mode 100644
index 00000000..59fe46f8
--- /dev/null
+++ b/docs/das/umn/das_16_0032.html
@@ -0,0 +1,15 @@
+<a name="das_16_0032"></a><a name="das_16_0032"></a>
+
+<h1 class="topictitle1">SQL Favorites</h1>
+<div id="body0000001130982961"><div class="section" id="das_16_0032__section894425815332"><h4 class="sectiontitle">Scenarios</h4><p id="das_16_0032__p984770103418">DAS allows you to add frequently used SQL statements and view and manage SQL statements.</p>
+</div>
+<div class="section" id="das_16_0032__section029961672616"><h4 class="sectiontitle">Procedure</h4><ol id="das_16_0032__ol15937185716454"><li id="das_16_0032__li1610134235110"><span>On the top menu bar, choose <strong id="das_16_0032__b14171032154618">SQL Operations</strong> &gt; <strong id="das_16_0032__b172853210463">SQL Window</strong>.</span></li><li id="das_16_0032__li742517718214"><span>In the SQL window, click <strong id="das_16_0032__b288911348464">SQL Favorites</strong>.</span><p><ul id="das_16_0032__ul121871832131917"><li id="das_16_0032__li118733241919"><strong id="das_16_0032__b2046017284712">Add SQL Statement</strong>: allows you to add your desired SQL statements. Specifically, specify the title and enter SQL statements as required, and then click <strong id="das_16_0032__b246315219473">Save</strong>.</li><li id="das_16_0032__li20191143871919"><strong id="das_16_0032__b168899654812">Manage SQL Statements</strong>: allows you to manage frequently used SQL statements, including adding, editing, and deleting statements.</li></ul>
+</p></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_16_0028.html">SQL Operations</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_16_0033.html b/docs/das/umn/das_16_0033.html
new file mode 100644
index 00000000..e3733a00
--- /dev/null
+++ b/docs/das/umn/das_16_0033.html
@@ -0,0 +1,14 @@
+<a name="das_16_0033"></a><a name="das_16_0033"></a>
+
+<h1 class="topictitle1">SQL History</h1>
+<div id="body0000001130580161"><div class="section" id="das_16_0033__section1650217229240"><h4 class="sectiontitle">Procedure</h4><ol id="das_16_0033__ol1976311419326"><li id="das_16_0033__li865994011591"><span>On the top menu bar, choose <strong id="das_16_0033__b18102413104916">SQL Operations</strong> &gt; <strong id="das_16_0033__b161122136498">SQL History</strong>.</span></li><li id="das_16_0033__li12855234373"><span>On the displayed page, search for execution information about the target SQL statement by time range, database name, or keyword.</span><p><div class="fignone" id="das_16_0033__fig38517182279"><span class="figcap"><b>Figure 1 </b>SQL History</span><br><span><img id="das_16_0033__image3861118142717" src="en-us_image_0000001337271828.png"></span></div>
+<ul id="das_16_0033__ul195091933142610"><li id="das_16_0033__li3509173312617">To access the <strong id="das_16_0033__b19698103914492">Database Management</strong> page, click a database name.</li><li id="das_16_0033__li5509193312267">To copy and use your required SQL statements, click the SQL statement in the <strong id="das_16_0033__b16341315015">SQL Statement</strong> column.</li><li id="das_16_0033__li05095332267">To directly execute a SQL statement, click <strong id="das_16_0033__b3701201218509">Open in SQL Window</strong> in the <strong id="das_16_0033__b670941265016">Operation</strong> column.</li></ul>
+</p></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_16_0028.html">SQL Operations</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_16_0034.html b/docs/das/umn/das_16_0034.html
new file mode 100644
index 00000000..ea6d40c7
--- /dev/null
+++ b/docs/das/umn/das_16_0034.html
@@ -0,0 +1,68 @@
+<a name="das_16_0034"></a><a name="das_16_0034"></a>
+
+<h1 class="topictitle1">Database Management</h1>
+<div id="body0000001084200678"><div class="section" id="das_16_0034__section13753917124618"><h4 class="sectiontitle">Function Overview</h4><div class="fignone" id="das_16_0034__fig138216405289"><span class="figcap"><b>Figure 1 </b>Database Management</span><br><span><img id="das_16_0034__image07481824192813" src="en-us_image_0000001337271948.png"></span></div>
+
+<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="das_16_0034__table522203713010" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Functions</caption><thead align="left"><tr id="das_16_0034__row10221037183015"><th align="left" class="cellrowborder" valign="top" width="12.3%" id="mcps1.3.1.3.2.3.1.1"><p id="das_16_0034__p1221937123014">Function</p>
+</th>
+<th align="left" class="cellrowborder" valign="top" width="87.7%" id="mcps1.3.1.3.2.3.1.2"><p id="das_16_0034__p222203773018">Description</p>
+</th>
+</tr>
+</thead>
+<tbody><tr id="das_16_0034__row15125935194618"><td class="cellrowborder" valign="top" width="12.3%" headers="mcps1.3.1.3.2.3.1.1 "><p id="das_16_0034__p118712584916">Database information</p>
+</td>
+<td class="cellrowborder" valign="top" width="87.7%" headers="mcps1.3.1.3.2.3.1.2 "><p id="das_16_0034__p1788024122317">Displays the name, IP address, character set, and SQL window of the current database.</p>
+</td>
+</tr>
+<tr id="das_16_0034__row955615568403"><td class="cellrowborder" valign="top" width="12.3%" headers="mcps1.3.1.3.2.3.1.1 "><p id="das_16_0034__p17557145619404">Schema list</p>
+</td>
+<td class="cellrowborder" valign="top" width="87.7%" headers="mcps1.3.1.3.2.3.1.2 "><p id="das_16_0034__p135575563401">Allows you to manage data with different schemas in a database.</p>
+</td>
+</tr>
+<tr id="das_16_0034__row1722937133017"><td class="cellrowborder" valign="top" width="12.3%" headers="mcps1.3.1.3.2.3.1.1 "><p id="das_16_0034__p178772554911">Object list</p>
+</td>
+<td class="cellrowborder" valign="top" width="87.7%" headers="mcps1.3.1.3.2.3.1.2 "><p id="das_16_0034__p188283113175">Consists of five types of objects, respectively tables, views, stored procedures, triggers, and sequences.</p>
+</td>
+</tr>
+<tr id="das_16_0034__row72223703018"><td class="cellrowborder" valign="top" width="12.3%" headers="mcps1.3.1.3.2.3.1.1 "><p id="das_16_0034__p28614255491">Metadata collection</p>
+</td>
+<td class="cellrowborder" valign="top" width="87.7%" headers="mcps1.3.1.3.2.3.1.2 "><p id="das_16_0034__p3361103216519">Allows DAS to automatically collects only the data such as database names, table names, and field names in an instance (user data in your tables is not included).</p>
+<div class="note" id="das_16_0034__note375955473420"><span class="notetitle"> NOTE: </span><div class="notebody"><p id="das_16_0034__p47591354133415">If there are too many tables, the system will not collect the metadata and display the table list to mitigate the impact on database performance.</p>
+</div></div>
+</td>
+</tr>
+<tr id="das_16_0034__row32333712304"><td class="cellrowborder" valign="top" width="12.3%" headers="mcps1.3.1.3.2.3.1.1 "><p id="das_16_0034__p283125144917">List details</p>
+</td>
+<td class="cellrowborder" valign="top" width="87.7%" headers="mcps1.3.1.3.2.3.1.2 "><p id="das_16_0034__p14347113216518">Displays the operation area for each type of object.</p>
+</td>
+</tr>
+</tbody>
+</table>
+</div>
+<div class="note" id="das_16_0034__note1566725010263"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="das_16_0034__p3754201754620">You can go to the <strong id="das_16_0034__b8546431131416">Database Management</strong> page in either of the following ways:</p>
+<ul id="das_16_0034__ul875412173469"><li id="das_16_0034__li575461716463">Choose <strong id="das_16_0034__b535883301411">Database Management</strong> on the top menu bar.</li><li id="das_16_0034__li206004431730">In the database list of the <strong id="das_16_0034__b18664651131414">Home</strong> page, locate the target database and click <span class="uicontrol" id="das_16_0034__uicontrol66657514142"><b>Manage</b></span> in the <strong id="das_16_0034__b17666185117144">Operation</strong> column.</li></ul>
+</div></div>
+</div>
+<div class="section" id="das_16_0034__section67271541124019"><h4 class="sectiontitle">Object List</h4><p id="das_16_0034__p1595871816811">You can manage tables, views, stored procedures, triggers, and sequences of GaussDB(for openGauss) databases. Graphical windows for creating objects are not available. To create new objects, execute SQL statements in the SQL window.</p>
+<ul id="das_16_0034__ul1960420205392"><li id="das_16_0034__li1860452011398">For details on how to manage tables, see <a href="das_16_0035.html">Table Management</a>.</li><li id="das_16_0034__li15604162073910">For details on how to manage views, see <a href="das_16_0038.html">View Management</a>.</li><li id="das_16_0034__li8605820123916">For details on how to manage stored procedures, see <a href="das_16_0041.html">Stored Procedure Management</a>.</li><li id="das_16_0034__li12605192018396">For details on how to manage triggers, see <a href="das_16_0043.html">Trigger Management</a>.</li><li id="das_16_0034__li10572174018371">For details on how to manage sequences, see <a href="das_16_0045.html">Sequence Management</a>.</li></ul>
+</div>
+</div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_16_0035.html">Table Management</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_16_0038.html">View Management</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_16_0041.html">Stored Procedure Management</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_16_0043.html">Trigger Management</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_16_0045.html">Sequence Management</a></strong><br>
+</li>
+</ul>
+
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_16_0023.html">GaussDB (for openGauss) DB Instance Management (Development Tool)</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_16_0035.html b/docs/das/umn/das_16_0035.html
new file mode 100644
index 00000000..0e345675
--- /dev/null
+++ b/docs/das/umn/das_16_0035.html
@@ -0,0 +1,18 @@
+<a name="das_16_0035"></a><a name="das_16_0035"></a>
+
+<h1 class="topictitle1">Table Management</h1>
+<div id="body0000001083881092"><p id="das_16_0035__p16408753171117">Graphical window for creating a table is currently not available. To create a table, execute SQL statements in the SQL window. For details, see <a href="das_16_0029.html">SQL Window</a>.</p>
+</div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_16_0036.html">Opening a Table</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_16_0037.html">Viewing Table Details</a></strong><br>
+</li>
+</ul>
+
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_16_0034.html">Database Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_16_0036.html b/docs/das/umn/das_16_0036.html
new file mode 100644
index 00000000..1d6014aa
--- /dev/null
+++ b/docs/das/umn/das_16_0036.html
@@ -0,0 +1,54 @@
+<a name="das_16_0036"></a><a name="das_16_0036"></a>
+
+<h1 class="topictitle1">Opening a Table</h1>
+<div id="body0000001084040724"><div class="section" id="das_16_0036__section15978192225616"><h4 class="sectiontitle">Scenarios</h4><p id="das_16_0036__p1990792455610">Tables in GaussDB(for openGauss) databases cannot be edited because the tables do not have primary keys.</p>
+</div>
+<div class="section" id="das_16_0036__section92015282488"><h4 class="sectiontitle">Procedure</h4><ol id="das_16_0036__ol020912236558"><li id="das_16_0036__li36501041115519"><span>On the top menu bar, choose <strong id="das_16_0036__b67521118338">Database Management</strong>. On the displayed <strong id="das_16_0036__b1375915114338">Objects</strong> tab, choose <strong id="das_16_0036__b4761511133314">Tables</strong> on the left, locate the target table, and click <strong id="das_16_0036__b16761111116334">Open</strong> in the <strong id="das_16_0036__b07628113336">Operation</strong> column.</span></li><li id="das_16_0036__li689310281598"><span>On the table details page, set the number of rows to display as required. You can also copy and reuse rows and columns.</span><p>
+<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="das_16_0036__table48931828115911" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Functions</caption><thead align="left"><tr id="das_16_0036__row10891132815596"><th align="left" class="cellrowborder" valign="top" width="27%" id="mcps1.3.2.2.2.2.1.2.3.1.1"><p id="das_16_0036__p189122819599">Item</p>
+</th>
+<th align="left" class="cellrowborder" valign="top" width="73%" id="mcps1.3.2.2.2.2.1.2.3.1.2"><p id="das_16_0036__p88911928195912">Description</p>
+</th>
+</tr>
+</thead>
+<tbody><tr id="das_16_0036__row18648270558"><td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.2.2.2.2.1.2.3.1.1 "><p id="das_16_0036__p2651275557">Where Condition</p>
+</td>
+<td class="cellrowborder" valign="top" width="73%" headers="mcps1.3.2.2.2.2.1.2.3.1.2 "><p id="das_16_0036__p165827115514">Filters records.</p>
+</td>
+</tr>
+<tr id="das_16_0036__row12271753165714"><td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.2.2.2.2.1.2.3.1.1 "><p id="das_16_0036__p1027110536574">Copy Row</p>
+</td>
+<td class="cellrowborder" valign="top" width="73%" headers="mcps1.3.2.2.2.2.1.2.3.1.2 "><p id="das_16_0036__p1271205317572">Copies data of the selected row. Specifically, double-click the target row and then click <strong id="das_16_0036__b173646183587">Copy Row</strong>.</p>
+</td>
+</tr>
+<tr id="das_16_0036__row1211422115"><td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.2.2.2.2.1.2.3.1.1 "><p id="das_16_0036__p81162314">Copy Column</p>
+</td>
+<td class="cellrowborder" valign="top" width="73%" headers="mcps1.3.2.2.2.2.1.2.3.1.2 "><p id="das_16_0036__p1511172117">Allows you to copy all data in a column by selecting this column from the <strong id="das_16_0036__b737812461375">Copy Column</strong> drop-down list.</p>
+</td>
+</tr>
+<tr id="das_16_0036__row1321736918"><td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.2.2.2.2.1.2.3.1.1 "><p id="das_16_0036__p13892828195915">Column Settings</p>
+</td>
+<td class="cellrowborder" valign="top" width="73%" headers="mcps1.3.2.2.2.2.1.2.3.1.2 "><p id="das_16_0036__p589202819591">Allows you to set the columns you want to display.</p>
+</td>
+</tr>
+<tr id="das_16_0036__row1489142885917"><td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.2.2.2.2.1.2.3.1.1 "><p id="das_16_0036__p08912028115918">Refresh</p>
+</td>
+<td class="cellrowborder" valign="top" width="73%" headers="mcps1.3.2.2.2.2.1.2.3.1.2 "><p id="das_16_0036__p12891112810597">Allows you to update table data manually.</p>
+</td>
+</tr>
+<tr id="das_16_0036__row1892132825917"><td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.2.2.2.2.1.2.3.1.1 "><p id="das_16_0036__p1389120281598">Row Details</p>
+</td>
+<td class="cellrowborder" valign="top" width="73%" headers="mcps1.3.2.2.2.2.1.2.3.1.2 "><p id="das_16_0036__p1389282835916">Shows the detailed information of a specified row.</p>
+</td>
+</tr>
+</tbody>
+</table>
+</div>
+</p></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_16_0035.html">Table Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_16_0037.html b/docs/das/umn/das_16_0037.html
new file mode 100644
index 00000000..1aeadc41
--- /dev/null
+++ b/docs/das/umn/das_16_0037.html
@@ -0,0 +1,12 @@
+<a name="das_16_0037"></a><a name="das_16_0037"></a>
+
+<h1 class="topictitle1">Viewing Table Details</h1>
+<div id="body0000001130857347"><div class="section" id="das_16_0037__section92015282488"><h4 class="sectiontitle">Procedure</h4><ol id="das_16_0037__ol020912236558"><li id="das_16_0037__li36501041115519"><span>On the top menu bar, choose <span class="uicontrol" id="das_16_0037__uicontrol777719463387"><b>Database Management</b></span>.</span></li><li id="das_16_0037__li13867454203016"><span>On the displayed <strong id="das_16_0037__b1768661612394">Objects</strong> tab, choose <span class="uicontrol" id="das_16_0037__uicontrol569313163393"><b>Tables</b></span> on the right, locate the target table, and click <strong id="das_16_0037__b1369411615395">View</strong> in the <strong id="das_16_0037__b26951716153912">Operation</strong> column.</span></li><li id="das_16_0037__li696971293415"><span>In the displayed dialog box, view basic table information.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_16_0035.html">Table Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_16_0038.html b/docs/das/umn/das_16_0038.html
new file mode 100644
index 00000000..ab46c3c7
--- /dev/null
+++ b/docs/das/umn/das_16_0038.html
@@ -0,0 +1,18 @@
+<a name="das_16_0038"></a><a name="das_16_0038"></a>
+
+<h1 class="topictitle1">View Management</h1>
+<div id="body0000001130718439"><p id="das_16_0038__p16408753171117">Graphical window for creating a view is currently not available. To create a view, execute SQL statements in the SQL window. For details, see <a href="das_16_0029.html">SQL Window</a>.</p>
+</div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_16_0039.html">Opening a View</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_16_0040.html">Obtaining View Details</a></strong><br>
+</li>
+</ul>
+
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_16_0034.html">Database Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_16_0039.html b/docs/das/umn/das_16_0039.html
new file mode 100644
index 00000000..0318b5a5
--- /dev/null
+++ b/docs/das/umn/das_16_0039.html
@@ -0,0 +1,55 @@
+<a name="das_16_0039"></a><a name="das_16_0039"></a>
+
+<h1 class="topictitle1">Opening a View</h1>
+<div id="body0000001083752600"><div class="section" id="das_16_0039__section15978192225616"><h4 class="sectiontitle">Scenarios</h4><p id="das_16_0039__p1990792455610">Views in GaussDB(for openGauss) databases cannot be edited because the views do not have primary keys.</p>
+</div>
+<div class="section" id="das_16_0039__section92015282488"><h4 class="sectiontitle">Procedure</h4><ol id="das_16_0039__ol020912236558"><li id="das_16_0039__li36501041115519"><span>On the top menu bar, choose <strong id="das_16_0039__b8851185910407">Database Management</strong>. On the displayed <strong id="das_16_0039__b2085217598404">Objects</strong> tab, choose <span class="uicontrol" id="das_16_0039__uicontrol78528598405"><b>Views</b></span> on the left, locate the target view, and click <span class="uicontrol" id="das_16_0039__uicontrol2085305914403"><b>Open</b></span> in the <strong id="das_16_0039__b19853195911408">Operation</strong> column.</span></li><li id="das_16_0039__li23691341133319"><span>On the displayed page, check the view details directly or using <strong id="das_16_0039__b1824611418416">Where Condition</strong>.</span><p><p id="das_16_0039__p4315123820711"></p>
+
+<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="das_16_0039__table48931828115911" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Functions</caption><thead align="left"><tr id="das_16_0039__row10891132815596"><th align="left" class="cellrowborder" valign="top" width="27%" id="mcps1.3.2.2.2.2.2.2.3.1.1"><p id="das_16_0039__p189122819599">Item</p>
+</th>
+<th align="left" class="cellrowborder" valign="top" width="73%" id="mcps1.3.2.2.2.2.2.2.3.1.2"><p id="das_16_0039__p88911928195912">Description</p>
+</th>
+</tr>
+</thead>
+<tbody><tr id="das_16_0039__row18648270558"><td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.2.2.2.2.2.2.3.1.1 "><p id="das_16_0039__p565419401278">Where Condition</p>
+</td>
+<td class="cellrowborder" valign="top" width="73%" headers="mcps1.3.2.2.2.2.2.2.3.1.2 "><p id="das_16_0039__p4654134020719">Filters records.</p>
+</td>
+</tr>
+<tr id="das_16_0039__row12271753165714"><td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.2.2.2.2.2.2.3.1.1 "><p id="das_16_0039__p196544406716">Copy Row</p>
+</td>
+<td class="cellrowborder" valign="top" width="73%" headers="mcps1.3.2.2.2.2.2.2.3.1.2 "><p id="das_16_0039__p2654174019717">Copies data of the selected row. Specifically, double-click the target row and then click <strong id="das_16_0039__b11797133775810">Copy Row</strong>.</p>
+</td>
+</tr>
+<tr id="das_16_0039__row1211422115"><td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.2.2.2.2.2.2.3.1.1 "><p id="das_16_0039__p86548402711">Copy Column</p>
+</td>
+<td class="cellrowborder" valign="top" width="73%" headers="mcps1.3.2.2.2.2.2.2.3.1.2 "><p id="das_16_0039__p196557401676">Allows you to copy all data in a column by selecting this column from the <strong id="das_16_0039__b328819460411">Copy Column</strong> drop-down list.</p>
+</td>
+</tr>
+<tr id="das_16_0039__row1321736918"><td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.2.2.2.2.2.2.3.1.1 "><p id="das_16_0039__p565517405710">Column Settings</p>
+</td>
+<td class="cellrowborder" valign="top" width="73%" headers="mcps1.3.2.2.2.2.2.2.3.1.2 "><p id="das_16_0039__p665516409717">Allows you to set the columns you want to display.</p>
+</td>
+</tr>
+<tr id="das_16_0039__row1489142885917"><td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.2.2.2.2.2.2.3.1.1 "><p id="das_16_0039__p565518405715">Refresh</p>
+</td>
+<td class="cellrowborder" valign="top" width="73%" headers="mcps1.3.2.2.2.2.2.2.3.1.2 "><p id="das_16_0039__p86551040576">Allows you to update table data manually.</p>
+</td>
+</tr>
+<tr id="das_16_0039__row1892132825917"><td class="cellrowborder" valign="top" width="27%" headers="mcps1.3.2.2.2.2.2.2.3.1.1 "><p id="das_16_0039__p186551401778">Row Details</p>
+</td>
+<td class="cellrowborder" valign="top" width="73%" headers="mcps1.3.2.2.2.2.2.2.3.1.2 "><p id="das_16_0039__p13655940378">Shows the detailed information of a specified row.</p>
+</td>
+</tr>
+</tbody>
+</table>
+</div>
+</p></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_16_0038.html">View Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_16_0040.html b/docs/das/umn/das_16_0040.html
new file mode 100644
index 00000000..3b036a30
--- /dev/null
+++ b/docs/das/umn/das_16_0040.html
@@ -0,0 +1,12 @@
+<a name="das_16_0040"></a><a name="das_16_0040"></a>
+
+<h1 class="topictitle1">Obtaining View Details</h1>
+<div id="body0000001130982963"><div class="section" id="das_16_0040__section17346184116584"><h4 class="sectiontitle">Procedure</h4><ol id="das_16_0040__ol020912236558"><li id="das_16_0040__li36501041115519"><span>On the top menu bar, choose <span class="uicontrol" id="das_16_0040__uicontrol1198410209420"><b>Database Management</b></span>.</span></li><li id="das_16_0040__li13867454203016"><span>On the displayed <strong id="das_16_0040__b989210221749">Objects</strong> tab, choose <span class="uicontrol" id="das_16_0040__uicontrol178925224414"><b>Views</b></span> on the left, locate the target view, and click <strong id="das_16_0040__b138933221146">View Details</strong> in the <strong id="das_16_0040__b48939221946">Operation</strong> column.</span></li><li id="das_16_0040__li696971293415"><span>In the displayed dialog box, view the SQL statement used to create the view.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_16_0038.html">View Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_16_0041.html b/docs/das/umn/das_16_0041.html
new file mode 100644
index 00000000..1c4974b2
--- /dev/null
+++ b/docs/das/umn/das_16_0041.html
@@ -0,0 +1,21 @@
+<a name="das_16_0041"></a><a name="das_16_0041"></a>
+
+<h1 class="topictitle1">Stored Procedure Management</h1>
+<div id="body0000001130580163"></div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_13_0060.html">Creating a Stored Procedure</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_16_0052.html">Altering or Executing a Stored Procedure</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_16_0042.html">Viewing Stored Procedure Details</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_16_0053.html">Dropping a Stored Procedure</a></strong><br>
+</li>
+</ul>
+
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_16_0034.html">Database Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_16_0042.html b/docs/das/umn/das_16_0042.html
new file mode 100644
index 00000000..b320ecf9
--- /dev/null
+++ b/docs/das/umn/das_16_0042.html
@@ -0,0 +1,12 @@
+<a name="das_16_0042"></a><a name="das_16_0042"></a>
+
+<h1 class="topictitle1">Viewing Stored Procedure Details</h1>
+<div id="body0000001084200680"><div class="section" id="das_16_0042__section178641012717"><h4 class="sectiontitle">Procedure</h4><ol id="das_16_0042__ol18960925691"><li id="das_16_0042__li4668192315254"><span>On the top menu bar, choose <strong id="das_16_0042__b186431917237">Database Management</strong>. On the displayed <strong id="das_16_0042__b4873161972311">Objects</strong> tab, choose <strong id="das_16_0042__b13874161942315">Stored Procedures</strong>.</span></li><li id="das_16_0042__li842262182817"><span>In the right pane, click <span class="uicontrol" id="das_16_0042__uicontrol16631733133211"><b>View Details</b></span>.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_16_0041.html">Stored Procedure Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_16_0043.html b/docs/das/umn/das_16_0043.html
new file mode 100644
index 00000000..dc3a73b4
--- /dev/null
+++ b/docs/das/umn/das_16_0043.html
@@ -0,0 +1,16 @@
+<a name="das_16_0043"></a><a name="das_16_0043"></a>
+
+<h1 class="topictitle1">Trigger Management</h1>
+<div id="body0000001083881094"><p id="das_16_0043__p16408753171117">Graphical window for creating a trigger is currently not available. To create a trigger, execute SQL statements in the SQL window. For details, see <a href="das_16_0029.html">SQL Window</a>.</p>
+</div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_16_0044.html">Viewing Trigger Details</a></strong><br>
+</li>
+</ul>
+
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_16_0034.html">Database Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_16_0044.html b/docs/das/umn/das_16_0044.html
new file mode 100644
index 00000000..5e2280a0
--- /dev/null
+++ b/docs/das/umn/das_16_0044.html
@@ -0,0 +1,12 @@
+<a name="das_16_0044"></a><a name="das_16_0044"></a>
+
+<h1 class="topictitle1">Viewing Trigger Details</h1>
+<div id="body0000001084040726"><div class="section" id="das_16_0044__section831019159013"><h4 class="sectiontitle">Procedure</h4><ol id="das_16_0044__ol161268231290"><li id="das_16_0044__li168617318511"><span>On the top menu bar, choose <strong id="das_16_0044__b715115162812">Database Management</strong>. On the displayed <strong id="das_16_0044__b824715192815">Objects</strong> tab, choose <strong id="das_16_0044__b1325101502818">Triggers</strong>.</span></li><li id="das_16_0044__li12126323182915"><span>In the right pane, click <span class="uicontrol" id="das_16_0044__uicontrol4953182844412"><b>View Details</b></span> to view the SQL statement used to create the trigger.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_16_0043.html">Trigger Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_16_0045.html b/docs/das/umn/das_16_0045.html
new file mode 100644
index 00000000..2d97115d
--- /dev/null
+++ b/docs/das/umn/das_16_0045.html
@@ -0,0 +1,16 @@
+<a name="das_16_0045"></a><a name="das_16_0045"></a>
+
+<h1 class="topictitle1">Sequence Management</h1>
+<div id="body0000001130857349"><p id="das_16_0045__p16408753171117">Graphical window for creating a sequence is currently not available. To create a sequence, execute SQL statements in the SQL window. For details, see <a href="das_16_0029.html">SQL Window</a>.</p>
+</div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_16_0046.html">Viewing Sequence Details</a></strong><br>
+</li>
+</ul>
+
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_16_0034.html">Database Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_16_0046.html b/docs/das/umn/das_16_0046.html
new file mode 100644
index 00000000..b9a1016c
--- /dev/null
+++ b/docs/das/umn/das_16_0046.html
@@ -0,0 +1,12 @@
+<a name="das_16_0046"></a><a name="das_16_0046"></a>
+
+<h1 class="topictitle1">Viewing Sequence Details</h1>
+<div id="body0000001130718441"><div class="section" id="das_16_0046__section314418582101"><h4 class="sectiontitle">Procedure</h4><ol id="das_16_0046__ol18960925691"><li id="das_16_0046__li4668192315254"><span>On the top menu bar, choose <strong id="das_16_0046__b4318202220337">Database Management</strong>. On the displayed <strong id="das_16_0046__b232072218334">Objects</strong> tab, choose <strong id="das_16_0046__b1532217220337">Sequences</strong>.</span></li><li id="das_16_0046__li842262182817"><span>In the right pane, click <span class="uicontrol" id="das_16_0046__uicontrol033418476330"><b>View Details</b></span>.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_16_0045.html">Sequence Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_16_0047.html b/docs/das/umn/das_16_0047.html
new file mode 100644
index 00000000..70dc13ae
--- /dev/null
+++ b/docs/das/umn/das_16_0047.html
@@ -0,0 +1,17 @@
+<a name="das_16_0047"></a><a name="das_16_0047"></a>
+
+<h1 class="topictitle1">Import and Export</h1>
+<div id="body0000001083752602"></div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_16_0048.html">Data Import</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_16_0049.html">Data Export</a></strong><br>
+</li>
+</ul>
+
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_16_0023.html">GaussDB (for openGauss) DB Instance Management (Development Tool)</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_16_0048.html b/docs/das/umn/das_16_0048.html
new file mode 100644
index 00000000..71f6d12c
--- /dev/null
+++ b/docs/das/umn/das_16_0048.html
@@ -0,0 +1,23 @@
+<a name="das_16_0048"></a><a name="das_16_0048"></a>
+
+<h1 class="topictitle1">Data Import</h1>
+<div id="body0000001130982965"><div class="section" id="das_16_0048__section60461353162212"><h4 class="sectiontitle">Scenarios</h4><p id="das_16_0048__p838663920460">Import data into a table for backup or data migration. The table structure to be imported must be the same as that of the target table. If you import a CSV or SQL file, the data type of the target table must be the same. The imported file should be no larger than 10 GB.</p>
+</div>
+<div class="section" id="das_16_0048__section5642820121812"><h4 class="sectiontitle">Procedure</h4><ol id="das_16_0048__ol954991264919"><li id="das_16_0048__li75504128499"><span>On the top menu bar, choose <strong id="das_16_0048__b6915122534313">Import and Export</strong> &gt; <strong id="das_16_0048__b5925825134312">Import</strong>.</span></li><li id="das_16_0048__li14606735163019"><span>Import a file from your local PC or an OBS bucket.</span><p><ul id="das_16_0048__ul1851185919228"><li id="das_16_0048__li1515599222">From your local PC</li></ul>
+<p id="das_16_0048__p751259122217">In the upper left corner, click <span class="uicontrol" id="das_16_0048__uicontrol4349163535015"><b>Create Task</b></span>. On the displayed page, select an import type, select <span class="uicontrol" id="das_16_0048__uicontrol1735863595019"><b>Upload file</b></span> for <strong id="das_16_0048__b13358035175013">File Source</strong>, set the attachment storage, and upload the file. Then, set other parameters as required.</p>
+<p id="das_16_0048__p551859132219">For security purposes, imported files are stored in OBS buckets.</p>
+<div class="note" id="das_16_0048__note175105917229"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="das_16_0048__ul105116594227"><li id="das_16_0048__li1351759132217">To keep your data secure, provide your own OBS bucket to store the attachments you upload. In this way, DAS automatically connects to your OBS bucket for in-memory reading.</li><li id="das_16_0048__li19243184412502">If you select <strong id="das_16_0048__b15746105094317">Delete the uploaded file upon an import success</strong>, the file you upload will be automatically deleted from the OBS bucket after being imported to the destination database.</li></ul>
+</div></div>
+<ul id="das_16_0048__ul75275932216"><li id="das_16_0048__li7517590221">From an OBS bucket<p id="das_16_0048__p11511659202210"><a name="das_16_0048__li7517590221"></a><a name="li7517590221"></a>In the upper left corner, click <span class="uicontrol" id="das_16_0048__uicontrol1872325812521"><b>Create Task</b></span>. On the displayed page, select an import type, select <span class="uicontrol" id="das_16_0048__uicontrol873455855217"><b>Choose from OBS</b></span> for <strong id="das_16_0048__b137362588526">File Source</strong>, and select a file from the bucket. Then, set other parameters as required.</p>
+</li></ul>
+<div class="note" id="das_16_0048__note2521859192210"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="das_16_0048__p17525592227">The file uploaded from an OBS bucket will not be deleted upon an import success.</p>
+</div></div>
+</p></li><li id="das_16_0048__li6820348191217"><span>After setting the import parameters, click <span class="uicontrol" id="das_16_0048__uicontrol175211659124316"><b>Create</b></span>. Confirm the information again before you click <strong id="das_16_0048__b121911016449">OK</strong> because original data may be overwritten after data import.</span></li><li id="das_16_0048__li145843244818"><span>View the import progress in the task list or check task details.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_16_0047.html">Import and Export</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_16_0049.html b/docs/das/umn/das_16_0049.html
new file mode 100644
index 00000000..85060487
--- /dev/null
+++ b/docs/das/umn/das_16_0049.html
@@ -0,0 +1,17 @@
+<a name="das_16_0049"></a><a name="das_16_0049"></a>
+
+<h1 class="topictitle1">Data Export</h1>
+<div id="body0000001130580165"><div class="section" id="das_16_0049__section60461353162212"><h4 class="sectiontitle">Scenarios</h4><p id="das_16_0049__p4287447473">DAS supports pagination query to meet your requirements for querying large amounts of data. You can export all the data at a time when backing up or migrating data.</p>
+</div>
+<div class="section" id="das_16_0049__section18193850204214"><h4 class="sectiontitle">Procedure</h4><ol id="das_16_0049__ol11642542194818"><li id="das_16_0049__li196931101612"><span>On the top menu bar, choose <strong id="das_16_0049__b639442975613">Import and Export</strong> &gt; <strong id="das_16_0049__b2040382965610">Export</strong>.</span></li><li id="das_16_0049__li19543219454"><span>On the displayed page, click <strong id="das_16_0049__b1515220497566">Create Task</strong> and choose <strong id="das_16_0049__b1316314915566">Export Database</strong> or <strong id="das_16_0049__b191641849105615">Export SQL Result</strong> as required. The following takes database export as an example.</span><p><p id="das_16_0049__p1494911421134">Alternatively, click <span class="uicontrol" id="das_16_0049__uicontrol17211836175715"><b>Quick Export</b></span> and select the target database. On the displayed page, select a storage path and click <strong id="das_16_0049__b62993613577">OK</strong>.</p>
+</p></li><li id="das_16_0049__li11471916598"><span>On the displayed page, set parameters as required in areas <strong id="das_16_0049__b19487011507">Basic Information</strong> and <strong id="das_16_0049__b34971914014">Advanced Settings</strong>. Then, select the tables to be exported on the right.</span><p><div class="note" id="das_16_0049__note3553191663116"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="das_16_0049__ul1071401616309"><li id="das_16_0049__li177141216193013">In a SQL result export task, the executed SQL statements cannot exceed 5 MB.</li><li id="das_16_0049__li85685217305">Databases are classified into user databases and system databases. System database cannot be exported. If system database data is required, deploy system database services in a created user database, so that you can export the system database data from the user database.</li><li id="das_16_0049__li12181231203416">DAS connects to your standby database to export data. This prevents the primary database from being affected by data export. However, if the standby database has a high replication delay, the exported data may not be the latest.</li></ul>
+</div></div>
+</p></li><li id="das_16_0049__li11439175804"><span>After settings are complete, click <strong id="das_16_0049__b17514657164">OK</strong>.</span></li><li id="das_16_0049__li92619315319"><span>In the task list, view the task ID, type, status, and progress.</span></li><li id="das_16_0049__li15086018120"><span>Click <strong id="das_16_0049__b57231391571">Details</strong> in the <strong id="das_16_0049__b11724491778">Operation</strong> column to view task details.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_16_0047.html">Import and Export</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_16_0050.html b/docs/das/umn/das_16_0050.html
new file mode 100644
index 00000000..d9e755b5
--- /dev/null
+++ b/docs/das/umn/das_16_0050.html
@@ -0,0 +1,15 @@
+<a name="das_16_0050"></a><a name="das_16_0050"></a>
+
+<h1 class="topictitle1">Account Management</h1>
+<div id="body0000001084200682"></div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_16_0051.html">Role Management</a></strong><br>
+</li>
+</ul>
+
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_16_0023.html">GaussDB (for openGauss) DB Instance Management (Development Tool)</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_16_0051.html b/docs/das/umn/das_16_0051.html
new file mode 100644
index 00000000..89a88211
--- /dev/null
+++ b/docs/das/umn/das_16_0051.html
@@ -0,0 +1,12 @@
+<a name="das_16_0051"></a><a name="das_16_0051"></a>
+
+<h1 class="topictitle1">Role Management</h1>
+<div id="body0000001083881096"><div class="section" id="das_16_0051__section192331323135212"><h4 class="sectiontitle">Procedure</h4><ol id="das_16_0051__ol1314114919495"><li id="das_16_0051__li339010195229"><span>On the top menu bar, choose <strong id="das_16_0051__b202961152131413">Account Management</strong> &gt; <strong id="das_16_0051__b11299135216149">Role Management</strong>.</span></li><li id="das_16_0051__li17289921202"><span>On the role management page, click <span class="uicontrol" id="das_16_0051__uicontrol188919134154"><b>Create Role</b></span> in the upper left corner.</span></li><li id="das_16_0051__li1344204304915"><a name="das_16_0051__li1344204304915"></a><a name="li1344204304915"></a><span>On the <strong id="das_16_0051__b9972132781513">Basic Settings</strong> tab page, enter a role name (mandatory) and specify other parameters as required. Ensure that all the settings are correct and click <strong id="das_16_0051__b16166173618154">Save</strong>. In the displayed SQL preview window, confirm the settings again and click <strong id="das_16_0051__b17177636141515">OK</strong> to create the role.</span></li><li id="das_16_0051__li1993616224165"><span>(Optional) On the <strong id="das_16_0051__b155071611161">Role Groups</strong> tab page, select the check boxes in columns <strong id="das_16_0051__b65120165168">Grant</strong> and <strong id="das_16_0051__b85221651610">With Grant Option</strong> as needed. Then click <strong id="das_16_0051__b1953101620169">Save</strong> and confirm the settings.</span></li><li id="das_16_0051__li2400155210220"><a name="das_16_0051__li2400155210220"></a><a name="li2400155210220"></a><span>(Optional) On the <span class="uicontrol" id="das_16_0051__uicontrol1010613528195"><b>Permissions</b></span> tab page, click <span class="uicontrol" id="das_16_0051__uicontrol516012714319"><b>Add</b></span>, select the object type and corresponding column settings from the drop-down lists, and then click <strong id="das_16_0051__b4171356202717">Save</strong> and confirm the settings.</span></li><li id="das_16_0051__li146641721515"><span>On the role management page, edit existing roles if needed. For how to edit a role, see <a href="#das_16_0051__li1344204304915">3</a> to <a href="#das_16_0051__li2400155210220">5</a>. Delete existing roles if needed. Deleted roles cannot be restored. Exercise caution when performing this operation.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_16_0050.html">Account Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_16_0052.html b/docs/das/umn/das_16_0052.html
new file mode 100644
index 00000000..eb156664
--- /dev/null
+++ b/docs/das/umn/das_16_0052.html
@@ -0,0 +1,12 @@
+<a name="das_16_0052"></a><a name="das_16_0052"></a>
+
+<h1 class="topictitle1">Altering or Executing a Stored Procedure</h1>
+<div id="body0000001085195314"><div class="section" id="das_16_0052__section183231805564"><h4 class="sectiontitle">Procedure</h4><ol id="das_16_0052__ol15937185716454"><li id="das_16_0052__li15374151116329"><span>On the top menu bar, choose <strong id="das_16_0052__b1854410810134">Database Management</strong>. On the displayed <strong id="das_16_0052__b175545815136">Objects</strong> tab, choose <span class="uicontrol" id="das_16_0052__uicontrol175558881312"><b>Stored Procedures</b></span> on the left, locate the target procedure, and click <span class="uicontrol" id="das_16_0052__uicontrol11556108191320"><b>Alter or Execute</b></span> in the <strong id="das_16_0052__b355678191311">Operation</strong> column.</span></li><li id="das_16_0052__li18484204912311"><span>On the displayed page, enter the required SQL statement and click <strong id="das_16_0052__b137691930111311">Save</strong>.</span></li><li id="das_16_0052__li1320719419437"><span>Click <span class="uicontrol" id="das_16_0052__uicontrol1209194110430"><b>Execute</b></span> to set the input parameters of the stored procedure.</span></li><li id="das_16_0052__li20386133611447"><span>Ensure that the settings are correct and click <span class="uicontrol" id="das_16_0052__uicontrol1022212576449"><b>Execute</b></span>.</span></li><li id="das_16_0052__li1124843983"><span>After the SQL statement is executed, view the execution status on the <strong id="das_16_0052__b161176372116">Messages</strong> tab in the lower part of the page.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_16_0041.html">Stored Procedure Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_16_0053.html b/docs/das/umn/das_16_0053.html
new file mode 100644
index 00000000..28e0f8a3
--- /dev/null
+++ b/docs/das/umn/das_16_0053.html
@@ -0,0 +1,14 @@
+<a name="das_16_0053"></a><a name="das_16_0053"></a>
+
+<h1 class="topictitle1">Dropping a Stored Procedure</h1>
+<div id="body0000001085066836"><div class="notice" id="das_16_0053__note66377071111037"><span class="noticetitle"><img src="public_sys-resources/notice_3.0-en-us.png"> </span><div class="noticebody"><p id="das_16_0053__p10249075175439">Dropped stored procedures cannot be recovered. Exercise caution when performing this operation.</p>
+</div></div>
+<div class="section" id="das_16_0053__section295911254916"><h4 class="sectiontitle">Procedure</h4><ol id="das_16_0053__ol18960925691"><li id="das_16_0053__li4668192315254"><span>On the top menu bar, choose <strong id="das_16_0053__b1822423182518">Database Management</strong>. On the displayed <strong id="das_16_0053__b322453112253">Objects</strong> tab, choose <span class="uicontrol" id="das_16_0053__uicontrol1222519316258"><b>Stored Procedures</b></span> on the left, locate the target procedure, and click <span class="uicontrol" id="das_16_0053__uicontrol15226731112517"><b>Drop</b></span> in the <strong id="das_16_0053__b522613172518">Operation</strong> column.</span></li><li id="das_16_0053__li1168475814525"><span>In the displayed dialog box, click <strong id="das_16_0053__b1698336162513">Yes</strong>.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_16_0041.html">Stored Procedure Management</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_17_0041.html b/docs/das/umn/das_17_0041.html
new file mode 100644
index 00000000..ccf11b44
--- /dev/null
+++ b/docs/das/umn/das_17_0041.html
@@ -0,0 +1,21 @@
+<a name="das_17_0041"></a><a name="das_17_0041"></a>
+
+<h1 class="topictitle1">Product Consulting</h1>
+<div id="body1594632524632"></div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_10_0031.html">Why Can't I Have Three Types of Permissions at the Same Time in an Approval Process?</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_10_0032.html">How Are the SQL Statements Classified?</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_10_0033.html">What Are the Differences Between Instance and Database Settings?</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_10_0038.html">What Can a Global OBS Bucket Do?</a></strong><br>
+</li>
+</ul>
+
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_10_0001.html">FAQs</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_17_0042.html b/docs/das/umn/das_17_0042.html
new file mode 100644
index 00000000..47146cae
--- /dev/null
+++ b/docs/das/umn/das_17_0042.html
@@ -0,0 +1,19 @@
+<a name="das_17_0042"></a><a name="das_17_0042"></a>
+
+<h1 class="topictitle1">Usage</h1>
+<div id="body1594632524632"></div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_10_0030.html">How Do I Grant Only the Permission to Use DAS to an IAM User?</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_10_0034.html">How Do I Modify Permission, Security, and Approval Process Settings of Synchronized Databases in Batches?</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_10_0037.html">How Do I Refresh Only a Tab Page Instead of the Entire Browser Page?</a></strong><br>
+</li>
+</ul>
+
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_10_0001.html">FAQs</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_18_0011.html b/docs/das/umn/das_18_0011.html
new file mode 100644
index 00000000..76321f93
--- /dev/null
+++ b/docs/das/umn/das_18_0011.html
@@ -0,0 +1,12 @@
+<a name="das_18_0011"></a><a name="das_18_0011"></a>
+
+<h1 class="topictitle1">Real-Time sessions</h1>
+<div id="body0000001086949704"><div class="section" id="das_18_0011__section1582324314564"><h4 class="sectiontitle">Procedure</h4><ol id="das_18_0011__ol93493469568"><li id="das_18_0011__li1371951266"><span>Log in to the GaussDB(for openGauss) console.</span></li><li id="das_18_0011__li1794112215266"><span>Apply for Intelligent O&amp;M according to <a href="das_18_0097.html">Intelligent O&amp;M</a>.</span></li><li id="das_18_0011__li6619132372214"><span>Locate your desired instance and click <strong id="das_18_0011__b17696154814209">Details</strong> to go to the Intelligent O&amp;M overview page.</span></li><li id="das_18_0011__li10349946195620"><span>Choose <strong id="das_18_0011__b2085017151792">Sessions</strong> &gt; <strong id="das_18_0011__b68574152920">Real-Time Sessions</strong> to view the real-time session statistics collected by user, host, and database.</span></li><li id="das_18_0011__li27051232115"><span>On the <strong id="das_18_0011__b46314174911">All Sessions</strong> tab page, select the abnormal sessions you want to end and click <span class="uicontrol" id="das_18_0011__uicontrol6632617996"><b>Kill</b></span> for the databases to recover.</span></li><li id="das_18_0011__li1010092472410"><span>On the <strong id="das_18_0011__b1056301914916">Slow Sessions</strong> tab page, set the slow session threshold and click the refreshing button or enable <strong id="das_18_0011__b185649195911">Auto Refresh</strong> to filter out the SQL statements whose execution time exceeds the threshold. Select the sessions you want to end and click <strong id="das_18_0011__b1722442113912">Kill</strong> for the databases to recover.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_18_0027.html">Sessions</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_18_0025.html b/docs/das/umn/das_18_0025.html
new file mode 100644
index 00000000..ed73717f
--- /dev/null
+++ b/docs/das/umn/das_18_0025.html
@@ -0,0 +1,60 @@
+<a name="das_18_0025"></a><a name="das_18_0025"></a>
+
+<h1 class="topictitle1">Function Overview</h1>
+<div id="body0000001086949702"><div class="section" id="das_18_0025__section1952710375112"><h4 class="sectiontitle">Procedure</h4><ol id="das_18_0025__ol115581422111117"><li id="das_18_0025__li12558182271112"><span>On the DAS console, choose <span class="uicontrol" id="das_18_0025__uicontrol1118425111717"><b>Intelligent O&amp;M</b></span> to go to the instance overview page of Intelligent O&amp;M.</span><p><div class="fignone" id="das_18_0025__fig77091281017"><span class="figcap"><b>Figure 1 </b>Instance Overview</span><br><span><img id="das_18_0025__image187091388110" src="en-us_image_0000001337431528.png"></span></div>
+
+<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="das_18_0025__table11191418432" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Functions</caption><thead align="left"><tr id="das_18_0025__row818151818314"><th align="left" class="cellrowborder" valign="top" width="28.98%" id="mcps1.3.1.2.1.2.2.2.3.1.1"><p id="das_18_0025__p2184181639">Function</p>
+</th>
+<th align="left" class="cellrowborder" valign="top" width="71.02000000000001%" id="mcps1.3.1.2.1.2.2.2.3.1.2"><p id="das_18_0025__p15188186315">Description</p>
+</th>
+</tr>
+</thead>
+<tbody><tr id="das_18_0025__row171813181232"><td class="cellrowborder" valign="top" width="28.98%" headers="mcps1.3.1.2.1.2.2.2.3.1.1 "><p id="das_18_0025__p101816185310">Instance Overview</p>
+</td>
+<td class="cellrowborder" valign="top" width="71.02000000000001%" headers="mcps1.3.1.2.1.2.2.2.3.1.2 "><p id="das_18_0025__p13182181933">Displays the real-time metrics of DB instances. You can specify which metrics to display.</p>
+</td>
+</tr>
+<tr id="das_18_0025__row16197184317"><td class="cellrowborder" valign="top" width="28.98%" headers="mcps1.3.1.2.1.2.2.2.3.1.1 "><p id="das_18_0025__p4191818438">Fuzzy Search</p>
+</td>
+<td class="cellrowborder" valign="top" width="71.02000000000001%" headers="mcps1.3.1.2.1.2.2.2.3.1.2 "><p id="das_18_0025__p10199188319">Allows you to view the performance of DB instances by DB engine, instance name, or IP address.</p>
+</td>
+</tr>
+<tr id="das_18_0025__row17739112315511"><td class="cellrowborder" valign="top" width="28.98%" headers="mcps1.3.1.2.1.2.2.2.3.1.1 "><p id="das_18_0025__p6740323059">Synchronize Instance</p>
+</td>
+<td class="cellrowborder" valign="top" width="71.02000000000001%" headers="mcps1.3.1.2.1.2.2.2.3.1.2 "><p id="das_18_0025__p1874020236517">Allows you to synchronize newly created DB instances so that they can be displayed on the <strong id="das_18_0025__b1783665714119">Instance Overview</strong> page.</p>
+</td>
+</tr>
+<tr id="das_18_0025__row14740102318518"><td class="cellrowborder" valign="top" width="28.98%" headers="mcps1.3.1.2.1.2.2.2.3.1.1 "><p id="das_18_0025__p1374032315512">Set Displayed Metrics</p>
+</td>
+<td class="cellrowborder" valign="top" width="71.02000000000001%" headers="mcps1.3.1.2.1.2.2.2.3.1.2 "><p id="das_18_0025__p874011231555">Allows you to specify the metrics to display and view the metric details.</p>
+</td>
+</tr>
+<tr id="das_18_0025__row574102315514"><td class="cellrowborder" valign="top" width="28.98%" headers="mcps1.3.1.2.1.2.2.2.3.1.1 "><p id="das_18_0025__p1539915171564">Sorting</p>
+</td>
+<td class="cellrowborder" valign="top" width="71.02000000000001%" headers="mcps1.3.1.2.1.2.2.2.3.1.2 "><p id="das_18_0025__p1974118231755">Allows you to sort out instances by metric in a descending or an ascending order.</p>
+</td>
+</tr>
+<tr id="das_18_0025__row183604244619"><td class="cellrowborder" valign="top" width="28.98%" headers="mcps1.3.1.2.1.2.2.2.3.1.1 "><p id="das_18_0025__p1236017241464">List View</p>
+</td>
+<td class="cellrowborder" valign="top" width="71.02000000000001%" headers="mcps1.3.1.2.1.2.2.2.3.1.2 "><p id="das_18_0025__p163601224869">Displays instance metric information in a list.</p>
+</td>
+</tr>
+<tr id="das_18_0025__row63611241568"><td class="cellrowborder" valign="top" width="28.98%" headers="mcps1.3.1.2.1.2.2.2.3.1.1 "><p id="das_18_0025__p736313241461">Refresh</p>
+</td>
+<td class="cellrowborder" valign="top" width="71.02000000000001%" headers="mcps1.3.1.2.1.2.2.2.3.1.2 "><p id="das_18_0025__p153645247613">Allows you to refresh the page.</p>
+</td>
+</tr>
+</tbody>
+</table>
+</div>
+</p></li><li id="das_18_0025__li11462580113"><span>Click <strong id="das_18_0025__b158481615179">Details</strong> of the desired instance to go to the details page of Intelligent O&amp;M.</span><p><div class="note" id="das_18_0025__note15314132134120"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="das_18_0025__p144620612510">MySQL DB instances include RDS for MySQL and GaussDB(for MySQL) DB instances.</p>
+</div></div>
+</p></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_18_0096.html">GaussDB(for openGauss) DB Instances</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_18_0026.html b/docs/das/umn/das_18_0026.html
new file mode 100644
index 00000000..4fc60a26
--- /dev/null
+++ b/docs/das/umn/das_18_0026.html
@@ -0,0 +1,20 @@
+<a name="das_18_0026"></a><a name="das_18_0026"></a>
+
+<h1 class="topictitle1">Performance</h1>
+<div id="body0000001087237842"><p id="das_18_0026__p106211417152412">DAS intelligent O&amp;M displays the disk usage, load, and kernel resource of the current instance.</p>
+</div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_18_0035.html">Instance Performance</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_18_0034.html">Single Node with Multiple Metrics</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_18_0038.html">Multiple Nodes with Single Metric</a></strong><br>
+</li>
+</ul>
+
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_18_0096.html">GaussDB(for openGauss) DB Instances</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_18_0027.html b/docs/das/umn/das_18_0027.html
new file mode 100644
index 00000000..f5358ad8
--- /dev/null
+++ b/docs/das/umn/das_18_0027.html
@@ -0,0 +1,15 @@
+<a name="das_18_0027"></a><a name="das_18_0027"></a>
+
+<h1 class="topictitle1">Sessions</h1>
+<div id="body0000001133857221"></div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_18_0011.html">Real-Time sessions</a></strong><br>
+</li>
+</ul>
+
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_18_0096.html">GaussDB(for openGauss) DB Instances</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_18_0034.html b/docs/das/umn/das_18_0034.html
new file mode 100644
index 00000000..6173482d
--- /dev/null
+++ b/docs/das/umn/das_18_0034.html
@@ -0,0 +1,77 @@
+<a name="das_18_0034"></a><a name="das_18_0034"></a>
+
+<h1 class="topictitle1">Single Node with Multiple Metrics</h1>
+<div id="body0000001134060037"><p id="das_18_0034__p1478113045210">Intelligent O&amp;M allows you to view the performance of multiple metrics on a single instance so that you can compare the metric performance.</p>
+<div class="section" id="das_18_0034__section251145010516"><h4 class="sectiontitle">Procedure</h4><ol id="das_18_0034__ol76771041192310"><li id="das_18_0034__li1371951266"><span>Log in to the GaussDB(for openGauss) console.</span></li><li id="das_18_0034__li1794112215266"><span>Apply for Intelligent O&amp;M according to <a href="das_18_0097.html">Intelligent O&amp;M</a>.</span></li><li id="das_18_0034__li2566183817210"><span>Locate your desired instance and click <strong id="das_18_0034__b8716182162010">Details</strong> to go to the Intelligent O&amp;M overview page.</span></li><li id="das_18_0034__li165731626112813"><span>Choose <span class="uicontrol" id="das_18_0034__uicontrol5575182692814"><b>Performance</b></span> &gt; <span class="uicontrol" id="das_18_0034__uicontrol657582642820"><b>Single Node with Multiple Metrics</b></span>.</span></li><li id="das_18_0034__li1320114319139"><span>Click <span class="uicontrol" id="das_18_0034__uicontrol6887122701319"><b>Change Node</b></span> to change the instance node if needed.</span></li><li id="das_18_0034__li747003810284"><span>Click <span class="uicontrol" id="das_18_0034__uicontrol208621418113611"><b>Select Metric</b></span> and select the instance metrics to display.</span><p>
+<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="das_18_0034__table1126612595297" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Instance metrics</caption><thead align="left"><tr id="das_18_0034__row7267959172911"><th align="left" class="cellrowborder" valign="top" width="16.29%" id="mcps1.3.2.2.6.2.1.2.4.1.1"><p id="das_18_0034__p10435613116">Category</p>
+</th>
+<th align="left" class="cellrowborder" valign="top" width="28.57%" id="mcps1.3.2.2.6.2.1.2.4.1.2"><p id="das_18_0034__p1798013556318">Metric</p>
+</th>
+<th align="left" class="cellrowborder" valign="top" width="55.14%" id="mcps1.3.2.2.6.2.1.2.4.1.3"><p id="das_18_0034__p152671959142917">Description</p>
+</th>
+</tr>
+</thead>
+<tbody><tr id="das_18_0034__row1861105315319"><td class="cellrowborder" rowspan="3" valign="top" width="16.29%" headers="mcps1.3.2.2.6.2.1.2.4.1.1 "><p id="das_18_0034__p2952201014568">CPU</p>
+<p id="das_18_0034__p159919145812"></p>
+<p id="das_18_0034__p1898719229580"></p>
+</td>
+<td class="cellrowborder" valign="top" width="28.57%" headers="mcps1.3.2.2.6.2.1.2.4.1.2 "><p id="das_18_0034__p8947710205619">CPU Usage</p>
+</td>
+<td class="cellrowborder" valign="top" width="55.14%" headers="mcps1.3.2.2.6.2.1.2.4.1.3 "><p id="das_18_0034__p1094421010568">CPU usage of the monitored object (Unit: %)</p>
+</td>
+</tr>
+<tr id="das_18_0034__row14591719125811"><td class="cellrowborder" valign="top" headers="mcps1.3.2.2.6.2.1.2.4.1.1 "><p id="das_18_0034__p208635439119">CPU Load</p>
+</td>
+<td class="cellrowborder" valign="top" headers="mcps1.3.2.2.6.2.1.2.4.1.2 "><p id="das_18_0034__p55951914589">Average CPU load over the past 1, 5, and 15 minutes. The value is obtained using the w command.</p>
+</td>
+</tr>
+<tr id="das_18_0034__row1098716226585"><td class="cellrowborder" valign="top" headers="mcps1.3.2.2.6.2.1.2.4.1.1 "><p id="das_18_0034__p1515111401503">CPU Load in Past 1 Minute</p>
+</td>
+<td class="cellrowborder" valign="top" headers="mcps1.3.2.2.6.2.1.2.4.1.2 "><p id="das_18_0034__p1098722219586">Average CPU load over the past 1 minute. The value is obtained using the w command.</p>
+</td>
+</tr>
+<tr id="das_18_0034__row926775942918"><td class="cellrowborder" rowspan="2" valign="top" width="16.29%" headers="mcps1.3.2.2.6.2.1.2.4.1.1 "><p id="das_18_0034__p12246131512561">Memory</p>
+<p id="das_18_0034__p17543610236"></p>
+</td>
+<td class="cellrowborder" valign="top" width="28.57%" headers="mcps1.3.2.2.6.2.1.2.4.1.2 "><p id="das_18_0034__p16942101016567">Memory Usage</p>
+</td>
+<td class="cellrowborder" valign="top" width="55.14%" headers="mcps1.3.2.2.6.2.1.2.4.1.3 "><p id="das_18_0034__p109429101566">Memory usage of the monitored object (Unit: %)</p>
+</td>
+</tr>
+<tr id="das_18_0034__row17542161017317"><td class="cellrowborder" valign="top" headers="mcps1.3.2.2.6.2.1.2.4.1.1 "><p id="das_18_0034__p95435101432">Available Memory</p>
+</td>
+<td class="cellrowborder" valign="top" headers="mcps1.3.2.2.6.2.1.2.4.1.2 "><p id="das_18_0034__p1154316101032">Memory available to the operating system (Unit: GB)</p>
+</td>
+</tr>
+<tr id="das_18_0034__row182671959162919"><td class="cellrowborder" rowspan="2" valign="top" width="16.29%" headers="mcps1.3.2.2.6.2.1.2.4.1.1 "><p id="das_18_0034__p12246181515611">Network</p>
+<p id="das_18_0034__p19841926418"></p>
+</td>
+<td class="cellrowborder" valign="top" width="28.57%" headers="mcps1.3.2.2.6.2.1.2.4.1.2 "><p id="das_18_0034__p8653422348">Data Transfer In</p>
+</td>
+<td class="cellrowborder" valign="top" width="55.14%" headers="mcps1.3.2.2.6.2.1.2.4.1.3 "><p id="das_18_0034__p15653822343">Average number of bytes sent by the VM of the monitored object in a measurement period (Unit: KB/s)</p>
+</td>
+</tr>
+<tr id="das_18_0034__row59831021144"><td class="cellrowborder" valign="top" headers="mcps1.3.2.2.6.2.1.2.4.1.1 "><p id="das_18_0034__p326910331848">Data Transfer Out</p>
+</td>
+<td class="cellrowborder" valign="top" headers="mcps1.3.2.2.6.2.1.2.4.1.2 "><p id="das_18_0034__p5269133343">Average number of bytes received by the VM of the monitored object in a measurement period (Unit: KB/s)</p>
+</td>
+</tr>
+<tr id="das_18_0034__row32681959132916"><td class="cellrowborder" valign="top" width="16.29%" headers="mcps1.3.2.2.6.2.1.2.4.1.1 "><p id="das_18_0034__p8887114805715">Other Metrics</p>
+</td>
+<td class="cellrowborder" valign="top" width="28.57%" headers="mcps1.3.2.2.6.2.1.2.4.1.2 "><p id="das_18_0034__p99331450774">-</p>
+</td>
+<td class="cellrowborder" valign="top" width="55.14%" headers="mcps1.3.2.2.6.2.1.2.4.1.3 "><p id="das_18_0034__p09365412712">-</p>
+</td>
+</tr>
+</tbody>
+</table>
+</div>
+</p></li><li id="das_18_0034__li16611553103418"><span>Click <strong id="das_18_0034__b1652165773615">OK</strong>.</span></li><li id="das_18_0034__li17473551113510"><span>Click <span class="uicontrol" id="das_18_0034__uicontrol19595101517119"><b>Detail</b></span> to the upper right corner of each graph to view the metric details. You can also view the metric details in the last 1 hour, 12 hours, 1 day, 2 days, 7 days, or customize a time range.</span></li><li id="das_18_0034__li59426241422"><span>Click the <span class="uicontrol" id="das_18_0034__uicontrol1687817241514"><b>Performance Trends Comparisons</b></span> tab, select the desired metrics, and click <span class="uicontrol" id="das_18_0034__uicontrol187914241711"><b>OK</b></span>.</span></li><li id="das_18_0034__li11211616458"><span>Click <span class="uicontrol" id="das_18_0034__uicontrol8737329512"><b>Detail</b></span> to the upper right corner of each graph to view the metric details. You can also view the metric details in a specified time range within the past week.</span></li><li id="das_18_0034__li1779940104015"><span>Enable <span class="uicontrol" id="das_18_0034__uicontrol96133916111"><b>Interactive Graph</b></span> to view the performance of other metrics at the same time.</span></li><li id="das_18_0034__li21931229164917"><span>Click <span class="uicontrol" id="das_18_0034__uicontrol19408104515116"><b>Full Screen</b></span> for a clear view.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_18_0026.html">Performance</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_18_0035.html b/docs/das/umn/das_18_0035.html
new file mode 100644
index 00000000..09297535
--- /dev/null
+++ b/docs/das/umn/das_18_0035.html
@@ -0,0 +1,67 @@
+<a name="das_18_0035"></a><a name="das_18_0035"></a>
+
+<h1 class="topictitle1">Instance Performance</h1>
+<div id="body0000001134155487"><div class="section" id="das_18_0035__section1994220311514"><h4 class="sectiontitle">Procedure</h4><ol id="das_18_0035__ol76771041192310"><li id="das_18_0035__li1371951266"><span>Log in to the GaussDB(for openGauss) console.</span></li><li id="das_18_0035__li1794112215266"><span>Apply for Intelligent O&amp;M according to <a href="das_18_0097.html">Intelligent O&amp;M</a>.</span></li><li id="das_18_0035__li2566183817210"><span>Locate your desired instance and click <strong id="das_18_0035__b1612510279192">Details</strong> to go to the Intelligent O&amp;M overview page.</span></li><li id="das_18_0035__li165731626112813"><span>Choose <span class="uicontrol" id="das_18_0035__uicontrol5575182692814"><b>Performance</b></span> &gt; <span class="uicontrol" id="das_18_0035__uicontrol657582642820"><b>Instance Performance</b></span>.</span></li><li id="das_18_0035__li747003810284"><span>Click <span class="uicontrol" id="das_18_0035__uicontrol1060495962812"><b>Select Metric</b></span> and select the instance metrics to display.</span><p>
+<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="das_18_0035__table1126612595297" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Instance metrics</caption><thead align="left"><tr id="das_18_0035__row7267959172911"><th align="left" class="cellrowborder" valign="top" width="16.29%" id="mcps1.3.1.2.5.2.1.2.4.1.1"><p id="das_18_0035__p10435613116">Category</p>
+</th>
+<th align="left" class="cellrowborder" valign="top" width="28.57%" id="mcps1.3.1.2.5.2.1.2.4.1.2"><p id="das_18_0035__p1798013556318">Metric</p>
+</th>
+<th align="left" class="cellrowborder" valign="top" width="55.14%" id="mcps1.3.1.2.5.2.1.2.4.1.3"><p id="das_18_0035__p152671959142917">Description</p>
+</th>
+</tr>
+</thead>
+<tbody><tr id="das_18_0035__row1861105315319"><td class="cellrowborder" rowspan="3" valign="top" width="16.29%" headers="mcps1.3.1.2.5.2.1.2.4.1.1 "><p id="das_18_0035__p178245196309">Disk Usage</p>
+<p id="das_18_0035__p7825151923015"></p>
+<p id="das_18_0035__p1182519196302"></p>
+</td>
+<td class="cellrowborder" valign="top" width="28.57%" headers="mcps1.3.1.2.5.2.1.2.4.1.2 "><p id="das_18_0035__p102671759172915">Instance Disk Used Space</p>
+</td>
+<td class="cellrowborder" valign="top" width="55.14%" headers="mcps1.3.1.2.5.2.1.2.4.1.3 "><p id="das_18_0035__p6862253203117">Real-time used space of data disks on the monitored instance (Unit: GB)</p>
+</td>
+</tr>
+<tr id="das_18_0035__row926775942918"><td class="cellrowborder" valign="top" headers="mcps1.3.1.2.5.2.1.2.4.1.1 "><p id="das_18_0035__p9267359152918">Instance Disk Total Space</p>
+</td>
+<td class="cellrowborder" valign="top" headers="mcps1.3.1.2.5.2.1.2.4.1.2 "><p id="das_18_0035__p1226715942919">Real-time total space of data disks on the monitored instance (Unit: GB)</p>
+</td>
+</tr>
+<tr id="das_18_0035__row182671959162919"><td class="cellrowborder" valign="top" headers="mcps1.3.1.2.5.2.1.2.4.1.1 "><p id="das_18_0035__p102671559172911">Instance Disk Usage</p>
+</td>
+<td class="cellrowborder" valign="top" headers="mcps1.3.1.2.5.2.1.2.4.1.2 "><p id="das_18_0035__p192673593293">Real-time data disk usage on the monitored instance (Unit: %)</p>
+</td>
+</tr>
+<tr id="das_18_0035__row1326725919296"><td class="cellrowborder" rowspan="3" valign="top" width="16.29%" headers="mcps1.3.1.2.5.2.1.2.4.1.1 "><p id="das_18_0035__p173117100324">Load</p>
+</td>
+<td class="cellrowborder" valign="top" width="28.57%" headers="mcps1.3.1.2.5.2.1.2.4.1.2 "><p id="das_18_0035__p3267145917299">Deadlocks</p>
+</td>
+<td class="cellrowborder" valign="top" width="55.14%" headers="mcps1.3.1.2.5.2.1.2.4.1.3 "><p id="das_18_0035__p13267175916294">Incremental number of database transaction deadlocks (Unit: count)</p>
+</td>
+</tr>
+<tr id="das_18_0035__row14267155910292"><td class="cellrowborder" valign="top" headers="mcps1.3.1.2.5.2.1.2.4.1.1 "><p id="das_18_0035__p1126715952915">Response Time of 80% SQL Statements</p>
+</td>
+<td class="cellrowborder" valign="top" headers="mcps1.3.1.2.5.2.1.2.4.1.2 "><p id="das_18_0035__p9267125952919">Real-time response time of 80% of database SQL statements (Unit: μs)</p>
+</td>
+</tr>
+<tr id="das_18_0035__row142671159132917"><td class="cellrowborder" valign="top" headers="mcps1.3.1.2.5.2.1.2.4.1.1 "><p id="das_18_0035__p13268859192919">Response Time of 95% SQL Statements</p>
+</td>
+<td class="cellrowborder" valign="top" headers="mcps1.3.1.2.5.2.1.2.4.1.2 "><p id="das_18_0035__p2026825914291">Real-time response time of 95% of database SQL statements (Unit: μs)</p>
+</td>
+</tr>
+<tr id="das_18_0035__row32681959132916"><td class="cellrowborder" valign="top" width="16.29%" headers="mcps1.3.1.2.5.2.1.2.4.1.1 "><p id="das_18_0035__p382511943010">Kernel Resource</p>
+</td>
+<td class="cellrowborder" valign="top" width="28.57%" headers="mcps1.3.1.2.5.2.1.2.4.1.2 "><p id="das_18_0035__p9268195917298">Buffer Hit Rate</p>
+</td>
+<td class="cellrowborder" valign="top" width="55.14%" headers="mcps1.3.1.2.5.2.1.2.4.1.3 "><p id="das_18_0035__p1326825913290">Buffer hit rate of the database (Unit: %)</p>
+</td>
+</tr>
+</tbody>
+</table>
+</div>
+</p></li><li id="das_18_0035__li16611553103418"><span>Click <strong id="das_18_0035__b0568740172911">OK</strong>.</span></li><li id="das_18_0035__li17473551113510"><span>Click <span class="uicontrol" id="das_18_0035__uicontrol1945512714396"><b>Detail</b></span> to the upper right corner of each graph to view the metric details. You can also view the metric details in the last 1 hour, 12 hours, 1 day, 2 days, 7 days, or customize a time range.</span></li><li id="das_18_0035__li59426241422"><span>Click the <span class="uicontrol" id="das_18_0035__uicontrol92804804213"><b>Performance Trends Comparisons</b></span> tab, select the desired metrics, and click <span class="uicontrol" id="das_18_0035__uicontrol3605124154510"><b>OK</b></span>.</span></li><li id="das_18_0035__li11211616458"><span>Click <span class="uicontrol" id="das_18_0035__uicontrol1222141724515"><b>Detail</b></span> to the upper right corner of each graph to view the metric details. You can also view the metric details in a specified time range within the past week.</span></li><li id="das_18_0035__li1779940104015"><span>Enable <span class="uicontrol" id="das_18_0035__uicontrol1111317583409"><b>Interactive Graph</b></span> to view the performance of other metrics at the same time.</span></li><li id="das_18_0035__li21931229164917"><span>Click <span class="uicontrol" id="das_18_0035__uicontrol1242692316503"><b>Full Screen</b></span> for a clear view.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_18_0026.html">Performance</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_18_0038.html b/docs/das/umn/das_18_0038.html
new file mode 100644
index 00000000..f74a1794
--- /dev/null
+++ b/docs/das/umn/das_18_0038.html
@@ -0,0 +1,78 @@
+<a name="das_18_0038"></a><a name="das_18_0038"></a>
+
+<h1 class="topictitle1">Multiple Nodes with Single Metric</h1>
+<div id="body0000001087397794"><p id="das_18_0038__p1478113045210">Intelligent O&amp;M allows you to view the performance of the same metric on multiple instances so that you can compare the metric performance.</p>
+<div class="section" id="das_18_0038__section251145010516"><h4 class="sectiontitle">Procedure</h4><ol id="das_18_0038__ol76771041192310"><li id="das_18_0038__li1371951266"><span>Log in to the GaussDB(for openGauss) console.</span></li><li id="das_18_0038__li1794112215266"><span>Apply for Intelligent O&amp;M according to <a href="das_18_0097.html">Intelligent O&amp;M</a>.</span></li><li id="das_18_0038__li2566183817210"><span>Locate your desired instance and click <strong id="das_18_0038__b16427734162010">Details</strong> to go to the Intelligent O&amp;M overview page.</span></li><li id="das_18_0038__li165731626112813"><span>Choose <span class="uicontrol" id="das_18_0038__uicontrol19413154816213"><b>Performance</b></span> &gt; <span class="uicontrol" id="das_18_0038__uicontrol0422548321"><b>Multiple Nodes with Single Metric</b></span>.</span></li><li id="das_18_0038__li1320114319139"><span>Click <span class="uicontrol" id="das_18_0038__uicontrol6887122701319"><b>Select Node</b></span> to select instances. A maximum of 5 instances can be selected, and the type of the selected instances must be the same.</span></li><li id="das_18_0038__li747003810284"><span>Click <span class="uicontrol" id="das_18_0038__uicontrol9415132516419"><b>Select Metric</b></span> and select the instance metrics to display.</span><p>
+<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="das_18_0038__table1126612595297" frame="border" border="1" rules="all"><caption><b>Table 1 </b>Instance metrics</caption><thead align="left"><tr id="das_18_0038__row7267959172911"><th align="left" class="cellrowborder" valign="top" width="16.29%" id="mcps1.3.2.2.6.2.1.2.4.1.1"><p id="das_18_0038__p10435613116">Category</p>
+</th>
+<th align="left" class="cellrowborder" valign="top" width="28.57%" id="mcps1.3.2.2.6.2.1.2.4.1.2"><p id="das_18_0038__p1798013556318">Metric</p>
+</th>
+<th align="left" class="cellrowborder" valign="top" width="55.14%" id="mcps1.3.2.2.6.2.1.2.4.1.3"><p id="das_18_0038__p152671959142917">Description</p>
+</th>
+</tr>
+</thead>
+<tbody><tr id="das_18_0038__row1861105315319"><td class="cellrowborder" rowspan="3" valign="top" width="16.29%" headers="mcps1.3.2.2.6.2.1.2.4.1.1 "><p id="das_18_0038__p2952201014568">CPU</p>
+<p id="das_18_0038__p159919145812"></p>
+<p id="das_18_0038__p1898719229580"></p>
+</td>
+<td class="cellrowborder" valign="top" width="28.57%" headers="mcps1.3.2.2.6.2.1.2.4.1.2 "><p id="das_18_0038__p8947710205619">CPU Usage</p>
+</td>
+<td class="cellrowborder" valign="top" width="55.14%" headers="mcps1.3.2.2.6.2.1.2.4.1.3 "><p id="das_18_0038__p1094421010568">CPU usage of the monitored object (Unit: %)</p>
+</td>
+</tr>
+<tr id="das_18_0038__row14591719125811"><td class="cellrowborder" valign="top" headers="mcps1.3.2.2.6.2.1.2.4.1.1 "><p id="das_18_0038__p208635439119">CPU Load</p>
+</td>
+<td class="cellrowborder" valign="top" headers="mcps1.3.2.2.6.2.1.2.4.1.2 "><p id="das_18_0038__p55951914589">Average CPU load over the past 1, 5, and 15 minutes. The value is obtained using the w command.</p>
+</td>
+</tr>
+<tr id="das_18_0038__row1098716226585"><td class="cellrowborder" valign="top" headers="mcps1.3.2.2.6.2.1.2.4.1.1 "><p id="das_18_0038__p1515111401503">CPU Load in Past 1 Minute</p>
+</td>
+<td class="cellrowborder" valign="top" headers="mcps1.3.2.2.6.2.1.2.4.1.2 "><p id="das_18_0038__p1098722219586">Average CPU load over the past 1 minute. The value is obtained using the w command.</p>
+</td>
+</tr>
+<tr id="das_18_0038__row926775942918"><td class="cellrowborder" rowspan="2" valign="top" width="16.29%" headers="mcps1.3.2.2.6.2.1.2.4.1.1 "><p id="das_18_0038__p12246131512561">Memory</p>
+<p id="das_18_0038__p17543610236"></p>
+</td>
+<td class="cellrowborder" valign="top" width="28.57%" headers="mcps1.3.2.2.6.2.1.2.4.1.2 "><p id="das_18_0038__p16942101016567">Memory Usage</p>
+</td>
+<td class="cellrowborder" valign="top" width="55.14%" headers="mcps1.3.2.2.6.2.1.2.4.1.3 "><p id="das_18_0038__p109429101566">Memory usage of the monitored object (Unit: %)</p>
+</td>
+</tr>
+<tr id="das_18_0038__row17542161017317"><td class="cellrowborder" valign="top" headers="mcps1.3.2.2.6.2.1.2.4.1.1 "><p id="das_18_0038__p95435101432">Available Memory</p>
+</td>
+<td class="cellrowborder" valign="top" headers="mcps1.3.2.2.6.2.1.2.4.1.2 "><p id="das_18_0038__p1154316101032">Memory available to the operating system (Unit: GB)</p>
+</td>
+</tr>
+<tr id="das_18_0038__row182671959162919"><td class="cellrowborder" rowspan="2" valign="top" width="16.29%" headers="mcps1.3.2.2.6.2.1.2.4.1.1 "><p id="das_18_0038__p12246181515611">Network</p>
+<p id="das_18_0038__p19841926418"></p>
+</td>
+<td class="cellrowborder" valign="top" width="28.57%" headers="mcps1.3.2.2.6.2.1.2.4.1.2 "><p id="das_18_0038__p8653422348">Data Transfer In</p>
+</td>
+<td class="cellrowborder" valign="top" width="55.14%" headers="mcps1.3.2.2.6.2.1.2.4.1.3 "><p id="das_18_0038__p15653822343">Average number of bytes sent by the VM of the monitored object in a measurement period (Unit: KB/s)</p>
+</td>
+</tr>
+<tr id="das_18_0038__row59831021144"><td class="cellrowborder" valign="top" headers="mcps1.3.2.2.6.2.1.2.4.1.1 "><p id="das_18_0038__p326910331848">Data Transfer Out</p>
+</td>
+<td class="cellrowborder" valign="top" headers="mcps1.3.2.2.6.2.1.2.4.1.2 "><p id="das_18_0038__p5269133343">Average number of bytes received by the VM of the monitored object in a measurement period (Unit: KB/s)</p>
+</td>
+</tr>
+<tr id="das_18_0038__row32681959132916"><td class="cellrowborder" valign="top" width="16.29%" headers="mcps1.3.2.2.6.2.1.2.4.1.1 "><p id="das_18_0038__p8887114805715">Other Metrics</p>
+</td>
+<td class="cellrowborder" valign="top" width="28.57%" headers="mcps1.3.2.2.6.2.1.2.4.1.2 "><p id="das_18_0038__p99331450774">-</p>
+</td>
+<td class="cellrowborder" valign="top" width="55.14%" headers="mcps1.3.2.2.6.2.1.2.4.1.3 "><p id="das_18_0038__p09365412712">-</p>
+</td>
+</tr>
+</tbody>
+</table>
+</div>
+</p></li><li id="das_18_0038__li16611553103418"><span>Click <strong id="das_18_0038__b1715215423518">OK</strong>.</span></li><li id="das_18_0038__li17473551113510"><span>Click <strong id="das_18_0038__b081417381594">Performance History</strong> and specify a time range in the upper right corner to view metric details in the past last 1 hour, 12 hours, 1 day, 2 days, or 7 days.</span></li><li id="das_18_0038__li59426241422"><span>Click the <span class="uicontrol" id="das_18_0038__uicontrol107667201262"><b>Performance Trends Comparisons</b></span> tab, select the desired metrics, and click <span class="uicontrol" id="das_18_0038__uicontrol15777162013620"><b>OK</b></span>.</span></li><li id="das_18_0038__li11211616458"><span>View the metric details in a specified time range within the past week.</span></li><li id="das_18_0038__li21931229164917"><span>Click <span class="uicontrol" id="das_18_0038__uicontrol11223541614"><b>Full Screen</b></span> for a clear view.</span></li></ol>
+</div>
+<p id="das_18_0038__p11265924151011"></p>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_18_0026.html">Performance</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_18_0096.html b/docs/das/umn/das_18_0096.html
new file mode 100644
index 00000000..1bce747d
--- /dev/null
+++ b/docs/das/umn/das_18_0096.html
@@ -0,0 +1,19 @@
+<a name="das_18_0096"></a><a name="das_18_0096"></a>
+
+<h1 class="topictitle1">GaussDB(for openGauss) DB Instances </h1>
+<div id="body0000001133857219"></div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_18_0025.html">Function Overview</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_18_0026.html">Performance</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_18_0027.html">Sessions</a></strong><br>
+</li>
+</ul>
+
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_18_0097.html">Intelligent O&amp;M</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_18_0097.html b/docs/das/umn/das_18_0097.html
new file mode 100644
index 00000000..3ee20799
--- /dev/null
+++ b/docs/das/umn/das_18_0097.html
@@ -0,0 +1,20 @@
+<a name="das_18_0097"></a><a name="das_18_0097"></a>
+
+<h1 class="topictitle1">Intelligent O&amp;M</h1>
+<div id="body0000001087242694"><p id="das_18_0097__p1867212517138">DAS Intelligent O&amp;M provides an all-round intelligent monitoring, diagnosis, and tuning for databases, facilitating user operations.</p>
+</div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_04_0096.html">MySQL DB Instances</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_05_0096.html">GaussDB(for MySQL) DB Instances</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_18_0096.html">GaussDB(for openGauss) DB Instances</a></strong><br>
+</li>
+</ul>
+
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_20_0011.html">User Guide</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_19_0015.html b/docs/das/umn/das_19_0015.html
new file mode 100644
index 00000000..c4c83523
--- /dev/null
+++ b/docs/das/umn/das_19_0015.html
@@ -0,0 +1,13 @@
+<a name="das_19_0015"></a><a name="das_19_0015"></a>
+
+<h1 class="topictitle1">Creating a Schema</h1>
+<div id="body0000001087386154"><p id="das_19_0015__p12993950115416">After a database is created, you need to create a schema because database operations cannot be performed in system schemas. Create a new schema and execute SQL statements.</p>
+<div class="section" id="das_19_0015__section1968973242915"><h4 class="sectiontitle">Procedure</h4><ol id="das_19_0015__ol2089904013560"><li id="das_19_0015__li118981835143119"><span>In the login list, click <span class="uicontrol" id="das_19_0015__uicontrol4147725153215"><b>Login</b></span> of the desired GaussDB(for openGauss) DB instance to log in to the instance.</span></li><li id="das_19_0015__li1989954055610"><span>In the database list of the <strong id="das_19_0015__b6434822113620">Home</strong> page, locate the target database and click <strong id="das_19_0015__b151571104382">Manage</strong> in the <strong id="das_19_0015__b15426131211380">Operation</strong> column.</span></li><li id="das_19_0015__li183231794584"><span>Click <span class="uicontrol" id="das_19_0015__uicontrol9106411163611"><b>Create Schema</b></span>. On the displayed page, enter a schema name.</span></li><li id="das_19_0015__li19802321214"><span>Click <strong id="das_19_0015__b663375516317">OK</strong>. The schema you create appears in the schema list.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_16_0024.html">Homepage</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_20_0007.html b/docs/das/umn/das_20_0007.html
new file mode 100644
index 00000000..65be2825
--- /dev/null
+++ b/docs/das/umn/das_20_0007.html
@@ -0,0 +1,17 @@
+<a name="das_20_0007"></a><a name="das_20_0007"></a>
+
+<h1 class="topictitle1">MySQL</h1>
+<div id="body0000001148745013"></div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_20_0100.html">RDS DB Instances</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_20_0101.html">Self-Built Databases on ECSs</a></strong><br>
+</li>
+</ul>
+
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_20_0033.html">Connection Management (Development Tool)</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_20_0011.html b/docs/das/umn/das_20_0011.html
new file mode 100644
index 00000000..582c3636
--- /dev/null
+++ b/docs/das/umn/das_20_0011.html
@@ -0,0 +1,31 @@
+<a name="das_20_0011"></a><a name="das_20_0011"></a>
+
+<h1 class="topictitle1">User Guide</h1>
+<div id="body1602474325858"></div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_03_0007.html">Logging In to the DAS Console</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_03_0002.html">Adding Login Information</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_03_0003.html">Logging In to a Database</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_03_0004.html">Modifying Login Information</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_03_0005.html">Deleting Login Information</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_03_0100.html">Logging In to Databases Shared by Others</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_04_0001.html">MySQL DB Instance Management (Development Tool)</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_13_0001.html">GaussDB(for MySQL) DB Instance Management (Development Tool)</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_16_0001.html">GaussDB(for Cassandra) DB Instance Management (Development Tool)</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_16_0023.html">GaussDB (for openGauss) DB Instance Management (Development Tool)</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_18_0097.html">Intelligent O&amp;M</a></strong><br>
+</li>
+</ul>
+</div>
+
diff --git a/docs/das/umn/das_20_0028.html b/docs/das/umn/das_20_0028.html
new file mode 100644
index 00000000..a2841153
--- /dev/null
+++ b/docs/das/umn/das_20_0028.html
@@ -0,0 +1,18 @@
+<a name="das_20_0028"></a><a name="das_20_0028"></a>
+
+<h1 class="topictitle1">Modifying ECS Security Group Rules</h1>
+<div id="body0000001148625083"><ol id="das_20_0028__ol3214952115711"><li id="das_20_0028__li7201613155912"><span>On the ECS details page, click the <strong id="das_20_0028__b33181812113318">Security Groups</strong> tab and view security group rules. To enable DAS to access the self-built DB instances on ECSs, you need to add an inbound rule with the port set to 3306 (example) and source to 100.0.0.0/8.</span><p><div class="fignone" id="das_20_0028__fig463715219397"><span class="figcap"><b>Figure 1 </b>Security group rules</span><br><span><img id="das_20_0028__image20637521123914" src="en-us_image_0000001387792145.png"></span></div>
+</p></li><li id="das_20_0028__li69818493598"><span>Click <strong id="das_20_0028__b1839555112216">Manage Rule</strong> on the left. On the <strong id="das_20_0028__b167641058132213">Inbound Rules</strong> tab page, click <strong id="das_20_0028__b076585882215">Add Inbound Rule</strong>.</span><p><div class="fignone" id="das_20_0028__fig17437850165715"><span class="figcap"><b>Figure 2 </b>Adding an inbound rule</span><br><span><img id="das_20_0028__image204371450115717" src="en-us_image_0000001388031793.png"></span></div>
+<div class="note" id="das_20_0028__note1296615521802"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="das_20_0028__p178632060111">Recommended configuration: Select <strong id="das_20_0028__b196941253163814">TCP</strong> for <strong id="das_20_0028__b924117923918">Protocol &amp; Port</strong>, enter the port number of the self-built database, and set the source to 100.0.0.0/8 or 0.0.0.0/0.</p>
+</div></div>
+</p></li><li id="das_20_0028__li1393mcpsimp"><span>On the <strong id="das_20_0028__b18646922122317">Outbound Rules</strong> tab page, click <strong id="das_20_0028__b1064711227237">Add Outbound Rule</strong>.</span><p><div class="fignone" id="das_20_0028__fig0262172325811"><span class="figcap"><b>Figure 3 </b>Adding an outbound rule</span><br><span><img id="das_20_0028__image13262723205812" src="en-us_image_0000001337591748.png"></span></div>
+<div class="note" id="das_20_0028__note1536916214312"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="das_20_0028__p123691826318">Recommended configuration: Select <strong id="das_20_0028__b04346012414">TCP</strong> for <strong id="das_20_0028__b243570114118">Protocol &amp; Port</strong>, enter the port number of the self-built database, and set the source to 100.0.0.0/8 or 0.0.0.0/0.</p>
+</div></div>
+</p></li></ol>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_20_0038.html">Reference</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_20_0029.html b/docs/das/umn/das_20_0029.html
new file mode 100644
index 00000000..bf7732d5
--- /dev/null
+++ b/docs/das/umn/das_20_0029.html
@@ -0,0 +1,17 @@
+<a name="das_20_0029"></a><a name="das_20_0029"></a>
+
+<h1 class="topictitle1">Modifying Firewall Rules</h1>
+<div id="body0000001102105138"><ol id="das_20_0029__ol514512281368"><li id="das_20_0029__li2752205216616"><span>In the ECS list, locate the required ECS and click <strong id="das_20_0029__b41931013134217">Remote Login</strong>.</span></li><li id="das_20_0029__li15145122813614"><span>Enter the username and password. After the login is successful, run the following command to check the iptables configuration:</span><p><pre class="screen" id="das_20_0029__screen781463718195"><strong id="das_20_0029__b1681511376197">iptables -S</strong></pre>
+<div class="msonormal" id="das_20_0029__p8354mcpsimp"><span><img id="das_20_0029__image687" src="en-us_image_0000001387792089.png"></span><div class="note" id="das_20_0029__note71491827978"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="das_20_0029__ul9384536989"><li id="das_20_0029__li738412364819">The port next to <strong id="das_20_0029__b24461450104213">--dport</strong> indicates the port that can be accessed.</li><li id="das_20_0029__li2481854587">Perform the following operations to ensure that the port can be accessed:<ul id="das_20_0029__ul133793815915"><li id="das_20_0029__li203842036586">Add an iptables rule to allow access to the port.</li><li id="das_20_0029__li83848368810">Run the following command to disable the firewall:<pre class="screen" id="das_20_0029__screen15803371181"><strong id="das_20_0029__b04125411075">systemctl stop iptables</strong></pre>
+</li></ul>
+</li></ul>
+</div></div>
+</div>
+</p></li></ol>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_20_0038.html">Reference</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_20_0031.html b/docs/das/umn/das_20_0031.html
new file mode 100644
index 00000000..b9545170
--- /dev/null
+++ b/docs/das/umn/das_20_0031.html
@@ -0,0 +1,12 @@
+<a name="das_20_0031"></a><a name="das_20_0031"></a>
+
+<h1 class="topictitle1">Opening a Schema</h1>
+<div id="body0000001134048407"><div class="section" id="das_20_0031__section1968973242915"><h4 class="sectiontitle">Procedure</h4><ol id="das_20_0031__ol2089904013560"><li id="das_20_0031__li118981835143119"><span>In the login list, click <span class="uicontrol" id="das_20_0031__uicontrol83891174215"><b>Login</b></span> of the desired GaussDB(for openGauss) DB instance to log in to the instance.</span></li><li id="das_20_0031__li1989954055610"><span>In the database list of the <strong id="das_20_0031__b036451913421">Home</strong> page, locate the target database and click <strong id="das_20_0031__b173651119174210">Manage</strong> in the <strong id="das_20_0031__b1936521974212">Operation</strong> column.</span></li><li id="das_20_0031__li25131252195118"><span>On the <span class="uicontrol" id="das_20_0031__uicontrol11511520185020"><b>Schemas</b></span> tab page, click <span class="uicontrol" id="das_20_0031__uicontrol1275216538516"><b>Open</b></span> in the <strong id="das_20_0031__b1737213162418">Operation</strong> column to go to the <strong id="das_20_0031__b24881137114812">Objects</strong> tab page.</span></li><li id="das_20_0031__li19802321214"><span>(Optional) Click the name of a schema to go to the <strong id="das_20_0031__b32961048205114">Objects</strong> tab page.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_16_0024.html">Homepage</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_20_0032.html b/docs/das/umn/das_20_0032.html
new file mode 100644
index 00000000..5243a580
--- /dev/null
+++ b/docs/das/umn/das_20_0032.html
@@ -0,0 +1,13 @@
+<a name="das_20_0032"></a><a name="das_20_0032"></a>
+
+<h1 class="topictitle1">Dropping a Schema</h1>
+<div id="body0000001087232600"><div class="section" id="das_20_0032__section1968973242915"><h4 class="sectiontitle">Procedure</h4><ol id="das_20_0032__ol2089904013560"><li id="das_20_0032__li118981835143119"><span>In the login list, click <span class="uicontrol" id="das_20_0032__uicontrol11461656175318"><b>Login</b></span> of the desired GaussDB(for openGauss) DB instance to log in to the instance.</span></li><li id="das_20_0032__li1989954055610"><span>In the database list of the <strong id="das_20_0032__b179306117542">Home</strong> page, locate the target database and click <strong id="das_20_0032__b15939171175416">Manage</strong> in the <strong id="das_20_0032__b2940211544">Operation</strong> column.</span><p><p id="das_20_0032__p638217217494"></p>
+</p></li><li id="das_20_0032__li183231794584"><span>On the <span class="uicontrol" id="das_20_0032__uicontrol11511520185020"><b>Schemas</b></span> tab page, click <span class="uicontrol" id="das_20_0032__uicontrol524135543914"><b>Drop</b></span> in the <strong id="das_20_0032__b2990936145510">Operation</strong> column.</span></li></ol>
+</div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_16_0024.html">Homepage</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_20_0033.html b/docs/das/umn/das_20_0033.html
new file mode 100644
index 00000000..2fda0dfc
--- /dev/null
+++ b/docs/das/umn/das_20_0033.html
@@ -0,0 +1,27 @@
+<a name="das_20_0033"></a><a name="das_20_0033"></a>
+
+<h1 class="topictitle1">Connection Management (Development Tool)</h1>
+<div id="body0000001102105130"></div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_20_0007.html">MySQL</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_20_0056.html">Microsoft SQL Server</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_20_0034.html">PostgreSQL</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_20_0035.html">DDS</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_20_0036.html">GaussDB(for MySQL)</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_20_0037.html">GaussDB(for openGauss)</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_20_0038.html">Reference</a></strong><br>
+</li>
+</ul>
+
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_10_0001.html">FAQs</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_20_0034.html b/docs/das/umn/das_20_0034.html
new file mode 100644
index 00000000..71ad67ca
--- /dev/null
+++ b/docs/das/umn/das_20_0034.html
@@ -0,0 +1,17 @@
+<a name="das_20_0034"></a><a name="das_20_0034"></a>
+
+<h1 class="topictitle1">PostgreSQL</h1>
+<div id="body0000001148424955"></div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_20_0099.html">RDS DB Instances</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_20_0098.html">Self-Built Databases on ECSs</a></strong><br>
+</li>
+</ul>
+
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_20_0033.html">Connection Management (Development Tool)</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_20_0035.html b/docs/das/umn/das_20_0035.html
new file mode 100644
index 00000000..b6cead8f
--- /dev/null
+++ b/docs/das/umn/das_20_0035.html
@@ -0,0 +1,15 @@
+<a name="das_20_0035"></a><a name="das_20_0035"></a>
+
+<h1 class="topictitle1">DDS</h1>
+<div id="body0000001101785320"><ol id="das_20_0035__ol15635171212610"><li id="das_20_0035__li24987238268">Error message: Command failed with error 18 (AuthenticationFailed): 'Authentication failed.' on server xxx.xxx.xx.xx:xxxx. The full response is { 'ok' : 0.0, 'errmsg' : "Authentication failed.", "code" : 18, "codeName" : "AuthenticationFailed" }<ol type="a" id="das_20_0035__ol4645357267"><li id="das_20_0035__li11635181262617">Error cause: The username or password of the DDS DB instance is incorrect.<div class="p" id="das_20_0035__p1821719381265"><a name="das_20_0035__li11635181262617"></a><a name="li11635181262617"></a>Solution: Check whether the username or password is correct. If you are not sure, view the username or reset the password on the DDS console.<div class="notice" id="das_20_0035__note8162mcpsimp"><span class="noticetitle"><img src="public_sys-resources/notice_3.0-en-us.png"> </span><div class="noticebody">Changing the password may affect services.</div></div>
+</div>
+</li><li id="das_20_0035__li47322510262">Error cause: The entered username does not have the permission to access the database.<p id="das_20_0035__p1116195372616"><a name="das_20_0035__li47322510262"></a><a name="li47322510262"></a>Solution: Check whether the username has the permission to access the database. If you are not sure, connect to the admin database as user <strong id="das_20_0035__b20945346101717">rwuser</strong>. Then check whether the entered username has the required permission.</p>
+</li></ol>
+</li></ol>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_20_0033.html">Connection Management (Development Tool)</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_20_0036.html b/docs/das/umn/das_20_0036.html
new file mode 100644
index 00000000..835d78cd
--- /dev/null
+++ b/docs/das/umn/das_20_0036.html
@@ -0,0 +1,23 @@
+<a name="das_20_0036"></a><a name="das_20_0036"></a>
+
+<h1 class="topictitle1">GaussDB(for MySQL)</h1>
+<div id="body0000001148505125"><ol id="das_20_0036__ol5216mcpsimp"><li id="das_20_0036__li5217mcpsimp">Error message: <strong id="das_20_0036__b11230174717414">Access denied for user 'user_name'@'100.xxx.xx.xx' (using password: YES).</strong><ol type="a" id="das_20_0036__ol657219454285"><li id="das_20_0036__li1686415134287">Error cause: The username or password of the GaussDB(for MySQL) DB instance is incorrect.<div class="p" id="das_20_0036__p1482852942820"><a name="das_20_0036__li1686415134287"></a><a name="li1686415134287"></a>Solution: Check whether the username and password are correct. If you are not sure, log in to the GaussDB(for MySQL) console to view the username and reset the password.<div class="notice" id="das_20_0036__note5221mcpsimp"><span class="noticetitle"><img src="public_sys-resources/notice_3.0-en-us.png"> </span><div class="noticebody">Changing the password may affect services.</div></div>
+</div>
+<p id="das_20_0036__p14681340132817">If the username and password are correct, log in to the database using a client or CLI tool and run <strong id="das_20_0036__b16914212017">select * from mysql.user where user = 'user_name'</strong> to view the account. Make sure that the DAS CIDR block is within the CIDR block of the user. <strong id="das_20_0036__b1236285882712">user_name @ %</strong> and <strong id="das_20_0036__b836395872716">user_name @100.%</strong> are two different users whose passwords and permissions are independent. Make sure to enter the password of <strong id="das_20_0036__b18364105822719">user user_name @100.%</strong>.</p>
+</li><li id="das_20_0036__li11887181322819">Error cause: The IP address of the DAS server is not in the whitelist of the login user.<div class="p" id="das_20_0036__p3228145115287"><a name="das_20_0036__li11887181322819"></a><a name="li11887181322819"></a>Solution: Log in to the database using the client or CLI tool, and create a user that can be used to access the database through DAS.<pre class="screen" id="das_20_0036__screen718443871817">create user 'user_name'@'100.%' identified by 'password';
+grant all privileges on *.* to 'user_name'@'100.%';</pre>
+</div>
+<div class="p" id="das_20_0036__p32545551289"><div class="note" id="das_20_0036__note13447259204311"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ol id="das_20_0036__ol207321113192816"><li id="das_20_0036__li763910174413">The IP address of the DAS server is in the 100.xxx.xx.xx network segment. Add the IP address to the whitelist of the login user.</li><li id="das_20_0036__li9636108440">Grant permissions to user <strong id="das_20_0036__b12349143820014">user_name@100.%</strong> based on service requirements.</li></ol>
+</div></div>
+</div>
+</li></ol>
+</li><li id="das_20_0036__li1088751312289">Error message: <strong id="das_20_0036__b57641951132813">Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.</strong><p id="das_20_0036__p1887862592919">Error cause: The network between the DAS server and the GaussDB(for MySQL) DB instance is disconnected.</p>
+<p id="das_20_0036__p1119072711291">Solution: Contact technical support.</p>
+</li></ol>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_20_0033.html">Connection Management (Development Tool)</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_20_0037.html b/docs/das/umn/das_20_0037.html
new file mode 100644
index 00000000..2c684c66
--- /dev/null
+++ b/docs/das/umn/das_20_0037.html
@@ -0,0 +1,14 @@
+<a name="das_20_0037"></a><a name="das_20_0037"></a>
+
+<h1 class="topictitle1">GaussDB(for openGauss)</h1>
+<div id="body0000001102265120"><p id="das_20_0037__p2272mcpsimp">1. Error message: <strong id="das_20_0037__b1679414486423">FATAL: Invalid username/password,login denied.</strong></p>
+<p id="das_20_0037__p2273mcpsimp">Error cause: The username or password of the GaussDB(for openGauss) DB instance is incorrect.</p>
+<p id="das_20_0037__p2274mcpsimp">Check whether the username or password is correct. If you are not sure, view the username and reset the password on the GaussDB(for openGauss) console.</p>
+<div class="notice" id="das_20_0037__note2275mcpsimp"><span class="noticetitle"><img src="public_sys-resources/notice_3.0-en-us.png"> </span><div class="noticebody">Changing the password may affect services.</div></div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_20_0033.html">Connection Management (Development Tool)</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_20_0038.html b/docs/das/umn/das_20_0038.html
new file mode 100644
index 00000000..772cf632
--- /dev/null
+++ b/docs/das/umn/das_20_0038.html
@@ -0,0 +1,17 @@
+<a name="das_20_0038"></a><a name="das_20_0038"></a>
+
+<h1 class="topictitle1">Reference</h1>
+<div id="body0000001102116292"></div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_20_0028.html">Modifying ECS Security Group Rules</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_20_0029.html">Modifying Firewall Rules</a></strong><br>
+</li>
+</ul>
+
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_20_0033.html">Connection Management (Development Tool)</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_20_0050.html b/docs/das/umn/das_20_0050.html
new file mode 100644
index 00000000..4f781c12
--- /dev/null
+++ b/docs/das/umn/das_20_0050.html
@@ -0,0 +1,14 @@
+<a name="das_20_0050"></a><a name="das_20_0050"></a>
+
+<h1 class="topictitle1">RDS DB Instances</h1>
+<div id="body0000001148625079"><p id="das_20_0050__p9438mcpsimp">1. Error message: <strong id="das_20_0050__b1597743861910">Login failed for user 'rdsuser'.</strong> <strong id="das_20_0050__b198912485197">ClientConnectionId:xxx.</strong></p>
+<p id="das_20_0050__p17118142413172">Error cause: The username or password of the RDS DB instance is incorrect.</p>
+<p id="das_20_0050__p9440mcpsimp">Solution: Ensure that the username and password are correct. If you are not sure, view the username and reset the password on the RDS console.</p>
+<div class="notice" id="das_20_0050__note9441mcpsimp"><span class="noticetitle"><img src="public_sys-resources/notice_3.0-en-us.png"> </span><div class="noticebody">Changing the password may affect services.</div></div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_20_0056.html">Microsoft SQL Server</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_20_0051.html b/docs/das/umn/das_20_0051.html
new file mode 100644
index 00000000..c7b84597
--- /dev/null
+++ b/docs/das/umn/das_20_0051.html
@@ -0,0 +1,13 @@
+<a name="das_20_0051"></a><a name="das_20_0051"></a>
+
+<h1 class="topictitle1">Self-Built Databases on ECSs</h1>
+<div id="body0000001102105134"><p id="das_20_0051__p8167mcpsimp">1. Error message: <strong id="das_20_0051__b11929153515381">The TCP/IP connection to the host 100.xxx.xx.xx, port xxx has failed.</strong></p>
+<p id="das_20_0051__p8168mcpsimp">Error cause: The port number of the self-built database is incorrect, or the network is disconnected.</p>
+<p id="das_20_0051__p8169mcpsimp">Solution: Ensure that the port number of the self-built database is correct and that the port is included in the security group rule and firewall whitelist. For details, see <a href="das_20_0028.html">Modifying ECS Security Group Rules</a> and <a href="das_20_0029.html">Modifying Firewall Rules</a>.</p>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_20_0056.html">Microsoft SQL Server</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_20_0056.html b/docs/das/umn/das_20_0056.html
new file mode 100644
index 00000000..b483c5a7
--- /dev/null
+++ b/docs/das/umn/das_20_0056.html
@@ -0,0 +1,17 @@
+<a name="das_20_0056"></a><a name="das_20_0056"></a>
+
+<h1 class="topictitle1">Microsoft SQL Server</h1>
+<div id="body0000001102265116"></div>
+<div>
+<ul class="ullinks">
+<li class="ulchildlink"><strong><a href="das_20_0050.html">RDS DB Instances</a></strong><br>
+</li>
+<li class="ulchildlink"><strong><a href="das_20_0051.html">Self-Built Databases on ECSs</a></strong><br>
+</li>
+</ul>
+
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_20_0033.html">Connection Management (Development Tool)</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_20_0098.html b/docs/das/umn/das_20_0098.html
new file mode 100644
index 00000000..dbfc71eb
--- /dev/null
+++ b/docs/das/umn/das_20_0098.html
@@ -0,0 +1,13 @@
+<a name="das_20_0098"></a><a name="das_20_0098"></a>
+
+<h1 class="topictitle1">Self-Built Databases on ECSs</h1>
+<div id="body0000001148745017"><p id="das_20_0098__p1635mcpsimp">1. Error message: <span class="uicontrol" id="das_20_0098__uicontrol10434154113237"><b>Connection refused (Connection refused).</b></span></p>
+<p id="das_20_0098__p1636mcpsimp">Error cause: The port number of the self-built database is incorrect, or the network is disconnected.</p>
+<p id="das_20_0098__p8169mcpsimp">Solution: Ensure that the port number of the self-built database is correct and that the port is included in the security group rule and firewall whitelist. For details, see <a href="das_20_0028.html">Modifying ECS Security Group Rules</a> and <a href="das_20_0029.html">Modifying Firewall Rules</a>.</p>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_20_0034.html">PostgreSQL</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_20_0099.html b/docs/das/umn/das_20_0099.html
new file mode 100644
index 00000000..41e17866
--- /dev/null
+++ b/docs/das/umn/das_20_0099.html
@@ -0,0 +1,14 @@
+<a name="das_20_0099"></a><a name="das_20_0099"></a>
+
+<h1 class="topictitle1">RDS DB Instances</h1>
+<div id="body0000001101945142"><p id="das_20_0099__p4577mcpsimp">1. Error message: <strong id="das_20_0099__b16653187396">FATAL: Invalid username/password,login denied.</strong></p>
+<p id="das_20_0099__p4578mcpsimp">Error cause: The username or password of the RDS DB instance is incorrect.</p>
+<p id="das_20_0099__p4579mcpsimp">Solution: Check whether the username or password is correct. If you are not sure, view the username and reset the password on the RDS console.</p>
+<div class="notice" id="das_20_0099__note4580mcpsimp"><span class="noticetitle"><img src="public_sys-resources/notice_3.0-en-us.png"> </span><div class="noticebody">Changing the password may affect services.</div></div>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_20_0034.html">PostgreSQL</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_20_0100.html b/docs/das/umn/das_20_0100.html
new file mode 100644
index 00000000..82112c7c
--- /dev/null
+++ b/docs/das/umn/das_20_0100.html
@@ -0,0 +1,25 @@
+<a name="das_20_0100"></a><a name="das_20_0100"></a>
+
+<h1 class="topictitle1">RDS DB Instances</h1>
+<div id="body0000001101785316"><ol id="das_20_0100__ol4734mcpsimp"><li id="das_20_0100__li4735mcpsimp">Error message: <strong id="das_20_0100__b51211148191715">Access denied for user 'user_name'@'100.xxx.xx.xx' (using password: YES)</strong><ol type="a" id="das_20_0100__ol1075810321463"><li id="das_20_0100__li179241923761">Error cause: The username or password of the RDS DB instance is incorrect.<div class="p" id="das_20_0100__p38431445751"><a name="das_20_0100__li179241923761"></a><a name="li179241923761"></a>Solution: Check whether the username and password are correct. If you are not sure, log in to the RDS console to reset the password.<div class="notice" id="das_20_0100__note4739mcpsimp"><span class="noticetitle"><img src="public_sys-resources/notice_3.0-en-us.png"> </span><div class="noticebody">Changing the password may affect services.</div></div>
+</div>
+<p id="das_20_0100__p09611751359">If the username and password are correct, log in to the database using a client or CLI tool and run <strong id="das_20_0100__b1510244516577">select * from mysql.user where user = 'user_name'</strong> to view the account. Make sure that the DAS CIDR block is within the CIDR block of the user. <strong id="das_20_0100__b1111452102310">user_name @ %</strong> and <strong id="das_20_0100__b141115213237">user_name @100.%</strong> are two different users whose passwords and permissions are independent. Enter the password of <strong id="das_20_0100__b512152192318">user user_name @100.%</strong>.</p>
+</li><li id="das_20_0100__li7572182510810">Error cause: The IP address of the DAS server is not in the whitelist of the login user.<div class="p" id="das_20_0100__p1853284719817"><a name="das_20_0100__li7572182510810"></a><a name="li7572182510810"></a>Solution: Log in to the database using the client or CLI tool, and create a user account that can be used to access the database through DAS.<pre class="screen" id="das_20_0100__screen187416560104">create user 'user_name'@'100.%' identified by 'password'; 
+grant selete on *.* to 'user_name'@'100.%';</pre>
+<div class="note" id="das_20_0100__note38881154142611"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="das_20_0100__ul1286419132718"><li id="das_20_0100__li11604822192712">The IP address of the DAS server is in the 100.xxx.xx.xx network segment. Add the IP address to the whitelist of the login user.</li><li id="das_20_0100__li3861619132712">Grant permissions to user <strong id="das_20_0100__b153731052494">user_name@100.%</strong> based on service requirements.</li></ul>
+</div></div>
+</div>
+</li><li id="das_20_0100__li1521463919611">Error cause: The SSL function is not enabled on the server.<p id="das_20_0100__p4748mcpsimp"><a name="das_20_0100__li1521463919611"></a><a name="li1521463919611"></a>Solution: Run the following statement to check whether the user is an SSL user. If yes, enable SSL on the RDS DB instance details page. The user is an SSL user if the <strong id="das_20_0100__b18118231102418">ssl_type</strong> field has a value.</p>
+<pre class="screen" id="das_20_0100__screen963061461118">select user, host, ssl_type from mysql.user where user = 'user_name';</pre>
+</li></ol>
+</li></ol>
+<p id="das_20_0100__p4752mcpsimp">2.  Error message: <strong id="das_20_0100__b3871190125215">Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server</strong></p>
+<p id="das_20_0100__p4753mcpsimp">Error cause: The network between the DAS server and the RDS DB instance is disconnected.</p>
+<p id="das_20_0100__p4754mcpsimp">Solution: Contact technical support.</p>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_20_0007.html">MySQL</a></div>
+</div>
+</div>
+
diff --git a/docs/das/umn/das_20_0101.html b/docs/das/umn/das_20_0101.html
new file mode 100644
index 00000000..7edea927
--- /dev/null
+++ b/docs/das/umn/das_20_0101.html
@@ -0,0 +1,35 @@
+<a name="das_20_0101"></a><a name="das_20_0101"></a>
+
+<h1 class="topictitle1">Self-Built Databases on ECSs</h1>
+<div id="body0000001148505119"><ol id="das_20_0101__ol1786mcpsimp"><li id="das_20_0101__li15412174616231">Error message: <strong id="das_20_0101__b15335105402412">Access denied for user 'user_name'@'100.xxx.xx.xx' (using password: YES)</strong><ol type="a" id="das_20_0101__ol884534972312"><li id="das_20_0101__li1787mcpsimp">Error cause: The username or password of the self-built database on the ECS is incorrect.<p id="das_20_0101__p1789mcpsimp"><a name="das_20_0101__li1787mcpsimp"></a><a name="li1787mcpsimp"></a>Solution: Ensure that the username and password are correct. If the username and password are correct, log in to the database using a client or the CLI tool and run <strong id="das_20_0101__b178355313324">select * from mysql.user where user = 'user_name'</strong> to view the account. Make sure that the DAS CIDR block is within the CIDR block of the user. <strong id="das_20_0101__b18697123393212">user_name @ %</strong> and <strong id="das_20_0101__b7698133311329">user_name @100.%</strong> are two different users whose passwords and permissions are independent. Enter the password of <strong id="das_20_0101__b4699533133212">user user_name @100.%</strong>.</p>
+</li><li id="das_20_0101__li469843216158">Error cause: The IP address of the DAS server is not in the whitelist of the login user.<p id="das_20_0101__p1792mcpsimp"><a name="das_20_0101__li469843216158"></a><a name="li469843216158"></a>Solution: Log in to the database using the client or CLI tool, and create a user account that can be used to access the database through DAS.</p>
+<pre class="screen" id="das_20_0101__screen1796872214126">create user 'user_name'@'100.%' identified by 'password';
+grant all privileges on *.* to 'user_name'@'100.%';</pre>
+<div class="note" id="das_20_0101__note179311945181519"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="das_20_0101__ul59311455152"><li id="das_20_0101__li11604822192712">The IP address of the DAS server is in the 100.xxx.xx.xx network segment. Add the IP address to the whitelist of the login user.</li><li id="das_20_0101__li1393174516150">Grant permissions to user <strong id="das_20_0101__b27741745193215">user_name@100.%</strong> based on service requirements.</li></ul>
+</div></div>
+</li><li id="das_20_0101__li1792125402320">Error cause: The SSL function is not enabled on the server.<p id="das_20_0101__p157911754122315"><a name="das_20_0101__li1792125402320"></a><a name="li1792125402320"></a>Solution: Run the following statement to check whether the user is an SSL user. If yes, enable SSL on the RDS DB instance details page. The user is an SSL user if the <strong id="das_20_0101__b1291215514339">ssl_type</strong> field has a value.</p>
+<pre class="screen" id="das_20_0101__screen979213545236">select user, host, ssl_type from mysql.user where user = 'user_name';</pre>
+</li></ol>
+</li><li id="das_20_0101__li753533982414">Error message: <strong id="das_20_0101__b1971015111359">Host 'xxx.xxx.xx.xx' is not allowed to connect to this MySQL server</strong><p id="das_20_0101__p1364294692413">Error cause: The database username you entered does not support remote login. For example, if you enter username <strong id="das_20_0101__b1357315279358">root</strong>, but only username <strong id="das_20_0101__b165737271351">root@localhost</strong> is configured in the <strong id="das_20_0101__b05741127203518">mysql.user</strong> table, the specified user can only log in locally.</p>
+<div class="p" id="das_20_0101__p13446154842411">Solution: Use a client or CLI tool to log in to the self-built database and create a user account that supports remote login.<pre class="screen" id="das_20_0101__screen2449203011166">create user 'user_name'@'100.%' identified by 'password'; 
+grant all privileges on *.* to 'user_name'@'100.%';</pre>
+<div class="note" id="das_20_0101__note5422104184918"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><ul id="das_20_0101__ul15563550114910"><li id="das_20_0101__li639141643312">The IP address of the DAS server is in the 100.xxx.xx.xx network segment. Add the IP address to the whitelist of the login user.</li><li id="das_20_0101__li9563185044910">Grant permissions to user <strong id="das_20_0101__b071175716354">user_name@100.%</strong> based on service requirements.</li></ul>
+</div></div>
+</div>
+</li><li id="das_20_0101__li105352392243">Error message: <strong id="das_20_0101__b158604321377">Communications link failure The last packet sent successfully to the server was 0 milliseconds ago. The driver has not received any packets from the server.</strong><ol type="a" id="das_20_0101__ol73797515215"><li id="das_20_0101__li1737911519214">Error cause: The security group rules do not allow inbound traffic on the port.<p id="das_20_0101__p217165612210"><a name="das_20_0101__li1737911519214"></a><a name="li1737911519214"></a>Solution: Modify the security group rules by referring to <a href="das_20_0028.html">Modifying ECS Security Group Rules</a>.</p>
+</li><li id="das_20_0101__li879264713213">Error cause: The firewall policy does not allow inbound traffic on the port.<p id="das_20_0101__p1152611052211"><a name="das_20_0101__li879264713213"></a><a name="li879264713213"></a>Solution: Modify the firewall policy by referring to <a href="das_20_0029.html">Modifying Firewall Rules</a>.</p>
+</li><li id="das_20_0101__li3793194717216">Error cause: The remote login times out because the DNS resolution takes a long period of time.<p id="das_20_0101__p168632113409"><a name="das_20_0101__li3793194717216"></a><a name="li3793194717216"></a>Solution: Perform the following steps:</p>
+</li></ol>
+</li></ol>
+<ol id="das_20_0101__ol53322038144010"><li id="das_20_0101__li1384745611404"><span>Search for the configuration file of the self-built database in directory <strong id="das_20_0101__b711891219411">/etc/my.cn</strong>, enter the following content in <strong id="das_20_0101__b18220529164112">[mysqld]</strong>, save and exit.</span><p><pre class="screen" id="das_20_0101__screen1580161651614">skip-name-resolve</pre>
+<p class="msonormal" id="das_20_0101__p1821mcpsimp"><span><img id="das_20_0101__image367" src="en-us_image_0000001337431632.png"></span></p>
+<div class="note" id="das_20_0101__note17693121034119"><img src="public_sys-resources/note_3.0-en-us.png"><span class="notetitle"> </span><div class="notebody"><p id="das_20_0101__p1569331020411">The default location of the configuration file is <strong id="das_20_0101__b19426134214610">/etc/my.cnf</strong>. If you store the file in the specified path, modify the directory accordingly.</p>
+</div></div>
+</p></li><li id="das_20_0101__li8332203834016"><span>Run <strong id="das_20_0101__b17291768270">systemctl restart mysqld</strong> to restart the database and log in again.</span></li></ol>
+</div>
+<div>
+<div class="familylinks">
+<div class="parentlink"><strong>Parent topic:</strong> <a href="das_20_0007.html">MySQL</a></div>
+</div>
+</div>
+
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+
+<h1 class="topictitle1">Change History</h1>
+<div id="body1477540983366">
+<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" id="das_change_history_0004__table155991952193219" frame="border" border="1" rules="all"><thead align="left"><tr id="das_change_history_0004__row1159915528321"><th align="left" class="cellrowborder" valign="top" width="17.349999999999998%" id="mcps1.3.1.1.3.1.1"><p id="das_change_history_0004__p7599105219324">Released On</p>
+</th>
+<th align="left" class="cellrowborder" valign="top" width="82.65%" id="mcps1.3.1.1.3.1.2"><p id="das_change_history_0004__p14599152183220">Description</p>
+</th>
+</tr>
+</thead>
+<tbody><tr id="das_change_history_0004__row6668444164016"><td class="cellrowborder" valign="top" width="17.349999999999998%" headers="mcps1.3.1.1.3.1.1 "><p id="das_change_history_0004__p17669124419406">2021-07-06</p>
+</td>
+<td class="cellrowborder" valign="top" width="82.65%" headers="mcps1.3.1.1.3.1.2 "><ul id="das_change_history_0004__ul860043534310"><li id="das_change_history_0004__li8600163594317">Added <a href="das_04_0039.html">Viewing Details of a Function</a>.</li><li id="das_change_history_0004__li26008356431">Deleted information about performance history of MySQL DB instances.</li><li id="das_change_history_0004__li1649413214448">Added <a href="das_04_0096.html">MySQL DB Instances</a>, <a href="das_05_0096.html">GaussDB(for MySQL) DB Instances</a>, and <a href="das_18_0096.html">GaussDB(for openGauss) DB Instances</a>.</li></ul>
+</td>
+</tr>
+<tr id="das_change_history_0004__row838484617279"><td class="cellrowborder" valign="top" width="17.349999999999998%" headers="mcps1.3.1.1.3.1.1 "><p id="das_change_history_0004__p9935194820274">2021-5-25</p>
+</td>
+<td class="cellrowborder" valign="top" width="82.65%" headers="mcps1.3.1.1.3.1.2 "><p id="das_change_history_0004__p159351648162720">Added description of new accounts in <a href="das_04_0068.html">Database Account Security</a>.</p>
+<p id="das_change_history_0004__p18935104819279">Added <a href="das_13_0061.html">Account Management</a>.</p>
+</td>
+</tr>
+<tr id="das_change_history_0004__row1247442242916"><td class="cellrowborder" valign="top" width="17.349999999999998%" headers="mcps1.3.1.1.3.1.1 "><p id="das_change_history_0004__p1670217434247">2021-05-14</p>
+</td>
+<td class="cellrowborder" valign="top" width="82.65%" headers="mcps1.3.1.1.3.1.2 "><p id="das_change_history_0004__p1418783815276">Deleted the GBK description in Data Import.</p>
+<p id="das_change_history_0004__p11702114332410">Deleted the GBK description in Data Export.</p>
+</td>
+</tr>
+<tr id="das_change_history_0004__row206031706126"><td class="cellrowborder" valign="top" width="17.349999999999998%" headers="mcps1.3.1.1.3.1.1 "><p id="das_change_history_0004__p1366016281823">2021-04-26</p>
+</td>
+<td class="cellrowborder" valign="top" width="82.65%" headers="mcps1.3.1.1.3.1.2 "><p id="das_change_history_0004__p86608281926">Deleted the description about the number of metrics in step 3 of <a href="das_04_0081.html">Real-Time Performance</a>.</p>
+<p id="das_change_history_0004__p1465414226517">Modified UI strings on the SQL tuning details page in step 3 of <a href="das_04_0072.html">SQL Tuning</a>.</p>
+<p id="das_change_history_0004__p141304581774">Changed the screenshot of the SQL operation page and deleted the execution plan in step 2 of <a href="das_16_0006.html">SQL Window</a>.</p>
+</td>
+</tr>
+<tr id="das_change_history_0004__row26491321174210"><td class="cellrowborder" valign="top" width="17.349999999999998%" headers="mcps1.3.1.1.3.1.1 "><p id="das_change_history_0004__p7498311173815">2021-04-13</p>
+</td>
+<td class="cellrowborder" valign="top" width="82.65%" headers="mcps1.3.1.1.3.1.2 "><ul id="das_change_history_0004__ul10498131153810"><li id="das_change_history_0004__li17498141110383">Optimized the step descriptions of table management, view management, stored procedure management, event management, trigger management, and function management in <a href="das_02_0009.html">Step 4: Manage Data</a>.</li><li id="das_change_history_0004__li6498611163812">Added event in step 5 in <a href="das_02_0008.html">Step 3: Log In to a Database</a>.</li><li id="das_change_history_0004__li3515184164112">Added comment in step 3 in <a href="das_04_0009.html">Creating a Table</a>.</li><li id="das_change_history_0004__li1349813114380">Added the Copy button and its description in table 1 in <a href="das_04_0022.html">Opening a View</a>.</li><li id="das_change_history_0004__li1149851118383">Modified the button in step 3 to <strong id="das_change_history_0004__b318754016522">Export in PDF</strong> in <a href="das_08_0016.html">Data Dictionary</a>.</li></ul>
+</td>
+</tr>
+<tr id="das_change_history_0004__row1083252112920"><td class="cellrowborder" valign="top" width="17.349999999999998%" headers="mcps1.3.1.1.3.1.1 "><p id="das_change_history_0004__p1183312211197">2021-03-30</p>
+</td>
+<td class="cellrowborder" valign="top" width="82.65%" headers="mcps1.3.1.1.3.1.2 "><p id="das_change_history_0004__p583362113910">Supported the GaussDB(for Cassandra) DB engine, Enterprise Change Approval, and Intelligent O&amp;M.</p>
+</td>
+</tr>
+<tr id="das_change_history_0004__row112808424015"><td class="cellrowborder" valign="top" width="17.349999999999998%" headers="mcps1.3.1.1.3.1.1 "><p id="das_change_history_0004__p72814421208">2021-02-28</p>
+</td>
+<td class="cellrowborder" valign="top" width="82.65%" headers="mcps1.3.1.1.3.1.2 "><p id="das_change_history_0004__p828114429019">Supported the MySQL and GaussDB(for MySQL) DB engines.</p>
+</td>
+</tr>
+<tr id="das_change_history_0004__row105991052203213"><td class="cellrowborder" valign="top" width="17.349999999999998%" headers="mcps1.3.1.1.3.1.1 "><p id="das_change_history_0004__p14624949163319">2020-07-13</p>
+</td>
+<td class="cellrowborder" valign="top" width="82.65%" headers="mcps1.3.1.1.3.1.2 "><p id="das_change_history_0004__p12599652163215">This issue is the first official release.</p>
+</td>
+</tr>
+</tbody>
+</table>
+</div>
+</div>
+
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diff --git a/docs/das/umn/public_sys-resources/popup.js b/docs/das/umn/public_sys-resources/popup.js
new file mode 100644
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