doc-exports/docs/dws/umn/ALL_META.TXT.json
luhuayi 85562e1879 DWS UMN 831.100 version
Reviewed-by: Pruthi, Vineet <vineet.pruthi@t-systems.com>
Co-authored-by: luhuayi <luhuayi@huawei.com>
Co-committed-by: luhuayi <luhuayi@huawei.com>
2024-11-13 08:55:54 +00:00

4143 lines
129 KiB
JSON

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{
"dockw":"User Guide"
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"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.",
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"uri":"dws_01_0002.html",
"node_id":"en-us_topic_0000001951848293.xml",
"product_code":"dws",
"code":"2",
"des":"GaussDB(DWS) is an online data analysis and processing database built on the cloud infrastructure and platform. It offers scalable, ready-to-use, and fully managed analyt",
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"kw":"What Is GaussDB(DWS)?,Service Overview,User Guide",
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"title":"What Is GaussDB(DWS)?",
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"uri":"dws_01_0007.html",
"node_id":"en-us_topic_0000001924569220.xml",
"product_code":"dws",
"code":"3",
"des":"GaussDB(DWS) uses the GaussDB database kernel and is compatible with PostgreSQL 9.2.4. It transforms from a single OLTP database to an enterprise-level distributed OLAP d",
"doc_type":"usermanual",
"kw":"Advantages,Service Overview,User Guide",
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"title":"Advantages",
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{
"uri":"dws_01_00013.html",
"node_id":"en-us_topic_0000001924569456.xml",
"product_code":"dws",
"code":"4",
"des":"Enhanced ETL + Real-time BI analysisETL+BI analysisThe data warehouse is the pillar of the Business Intelligence (BI) system for collecting, storing, and analyzing massiv",
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"kw":"Application Scenarios,Service Overview,User Guide",
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"title":"Application Scenarios",
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{
"uri":"dws_01_0091.html",
"node_id":"en-us_topic_0000001951848441.xml",
"product_code":"dws",
"code":"5",
"des":"GaussDB(DWS) enables you to use this service through various methods, such as the GaussDB(DWS) management console, GaussDB(DWS) client, and REST APIs. This section descri",
"doc_type":"usermanual",
"kw":"Functions,Service Overview,User Guide",
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{
"uri":"dws_01_0004.html",
"node_id":"en-us_topic_0000001952008105.xml",
"product_code":"dws",
"code":"6",
"des":"ClusterA cluster is a server group that consists of multiple nodes. GaussDB(DWS) is organized using clusters. A data warehouse cluster contains nodes with the same flavor",
"doc_type":"usermanual",
"kw":"Concepts,Service Overview,User Guide",
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"title":"Concepts",
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{
"uri":"dws_01_0003.html",
"node_id":"en-us_topic_0000001924728628.xml",
"product_code":"dws",
"code":"7",
"des":"GaussDB(DWS) uses Identity and Access Management (IAM) for authentication and authorization.Users who have the DWS Administrator permissions can fully utilize GaussDB(DWS",
"doc_type":"usermanual",
"kw":"Related Services,Service Overview,User Guide",
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"title":"Related Services",
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{
"uri":"dws_01_0144.html",
"node_id":"en-us_topic_0000001951848289.xml",
"product_code":"dws",
"code":"8",
"des":"If you need to assign different permissions to employees in your enterprise to access your GaussDB(DWS) resources on cloud, IAM is a good choice for fine-grained permissi",
"doc_type":"usermanual",
"kw":"GaussDB(DWS) Permissions Management,Service Overview,User Guide",
"search_title":"",
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"title":"GaussDB(DWS) Permissions Management",
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{
"uri":"dws_01_0009.html",
"node_id":"en-us_topic_0000001952008337.xml",
"product_code":"dws",
"code":"9",
"des":"The following figure shows how to use GaussDB(DWS).GaussDB(DWS) provides a web-based management console and HTTPS-compliant APIs for you to manage data warehouse clusters",
"doc_type":"usermanual",
"kw":"GaussDB(DWS) Access,Service Overview,User Guide",
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"title":"GaussDB(DWS) Access",
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{
"uri":"dws_01_0010.html",
"node_id":"en-us_topic_0000001924728776.xml",
"product_code":"dws",
"code":"10",
"des":"This document describes the constraints and precautions of using the key functions of GaussDB(DWS).After creating a GaussDB(DWS) cluster, you do not need to perform basic",
"doc_type":"usermanual",
"kw":"Restrictions,Service Overview,User Guide",
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"title":"Restrictions",
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{
"uri":"dws_01_00113.html",
"node_id":"en-us_topic_0000001951848577.xml",
"product_code":"dws",
"code":"11",
"des":"This section describes the technical specifications of GaussDB(DWS) in different versions.The maximum number of concurrent connections is based on the data warehouse with",
"doc_type":"usermanual",
"kw":"GaussDB(DWS) Technical Specifications,Service Overview,User Guide",
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"uri":"dws_01_0078.html",
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"product_code":"dws",
"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.",
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"kw":"Getting Started",
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"uri":"dws_01_0088.html",
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"des":"This guide is an introductory tutorial that demonstrates how to create a sample GaussDB(DWS) cluster, connect to the cluster database, import the sample data from OBS, an",
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"kw":"Step 1: Starting Preparations,Getting Started,User Guide",
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"title":"Step 1: Starting Preparations",
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{
"uri":"dws_01_0013.html",
"node_id":"en-us_topic_0000001924569384.xml",
"product_code":"dws",
"code":"14",
"des":"Before using GaussDB(DWS) to analyze data, create a cluster. A cluster consists of multiple nodes in the same subnet. These nodes jointly provide services. This section d",
"doc_type":"usermanual",
"kw":"Step 2: Creating a Cluster,Getting Started,User Guide",
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{
"uri":"dws_01_0107.html",
"node_id":"en-us_topic_0000001924569292.xml",
"product_code":"dws",
"code":"15",
"des":"This section describes how to use a database client to connect to the database in a GaussDB(DWS) cluster. In the following example, the Data Studio client tool is used fo",
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"kw":"Step 3: Connecting to a Cluster,Getting Started,User Guide",
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"title":"Step 3: Connecting to a Cluster",
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{
"uri":"dws_01_0079.html",
"node_id":"en-us_topic_0000001924569348.xml",
"product_code":"dws",
"code":"16",
"des":"After performing the steps in preceding sections, you can refer to the documentation listed as follows for more information about GaussDB(DWS):Data Warehouse Service (DWS",
"doc_type":"usermanual",
"kw":"Step 4: Viewing Other Documents and Deleting Resources,Getting Started,User Guide",
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"title":"Step 4: Viewing Other Documents and Deleting Resources",
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{
"uri":"dws_01_0018.html",
"node_id":"en-us_topic_0000001924728588.xml",
"product_code":"dws",
"code":"17",
"des":"GaussDB(DWS) is an online data processing database that uses the cloud infrastructure to provide scalable, fully-managed, and out-of-the-box analytic database service, fr",
"doc_type":"usermanual",
"kw":"Process for Using GaussDB(DWS),User Guide",
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"title":"Process for Using GaussDB(DWS)",
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{
"uri":"dws_01_0154.html",
"node_id":"en-us_topic_0000001952008053.xml",
"product_code":"dws",
"code":"18",
"des":"Before using GaussDB(DWS), make the following preparations:Determining the Cluster PortsWhen creating a GaussDB(DWS) cluster, you need to specify a port for SQL clients o",
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"kw":"Preparations,User Guide",
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"title":"Preparations",
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"uri":"dws_01_0160.html",
"node_id":"en-us_topic_0000001952008129.xml",
"product_code":"dws",
"code":"19",
"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.",
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"kw":"Creating or Deleting a Cluster",
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"title":"Creating or Deleting a Cluster",
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{
"uri":"dws_01_0157.html",
"node_id":"en-us_topic_0000001952008265.xml",
"product_code":"dws",
"code":"20",
"des":"This section describes how to log in to the GaussDB(DWS) management console and use GaussDB(DWS).",
"doc_type":"usermanual",
"kw":"Accessing the GaussDB(DWS) Management Console,Creating or Deleting a Cluster,User Guide",
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"title":"Accessing the GaussDB(DWS) Management Console",
"githuburl":""
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{
"uri":"dws_01_0221.html",
"node_id":"en-us_topic_0000001924569296.xml",
"product_code":"dws",
"code":"21",
"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 Dedicated Cluster",
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"title":"Creating a Dedicated Cluster",
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{
"uri":"dws_01_0019.html",
"node_id":"en-us_topic_0000001924569412.xml",
"product_code":"dws",
"code":"22",
"des":"To use cloud GaussDB(DWS), create a data warehouse cluster first.This section describes how to create a data warehouse cluster on the GaussDB(DWS) console.You have evalua",
"doc_type":"usermanual",
"kw":"Creating a Cluster,Creating a Dedicated Cluster,User Guide",
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"title":"Creating a Cluster",
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{
"uri":"dws_01_0025.html",
"node_id":"en-us_topic_0000001952008309.xml",
"product_code":"dws",
"code":"23",
"des":"If you do not need to use a cluster, perform the operations in this section to delete it.Deleted clusters cannot be recovered. Additionally, you cannot access user data a",
"doc_type":"usermanual",
"kw":"Deleting a Cluster,Creating or Deleting a Cluster,User Guide",
"search_title":"",
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"title":"Deleting a Cluster",
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{
"uri":"dws_01_0131.html",
"node_id":"en-us_topic_0000001952008181.xml",
"product_code":"dws",
"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.",
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"kw":"Cluster Connection",
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"title":"Cluster Connection",
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},
{
"uri":"dws_01_0137.html",
"node_id":"en-us_topic_0000001951848333.xml",
"product_code":"dws",
"code":"25",
"des":"If you have created a GaussDB(DWS) cluster, you can use the SQL client tool or a third-party driver such as JDBC or ODBC to connect to the cluster and access the database",
"doc_type":"usermanual",
"kw":"Methods of Connecting to a Cluster,Cluster Connection,User Guide",
"search_title":"",
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"title":"Methods of Connecting to a Cluster",
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{
"uri":"dws_01_0033.html",
"node_id":"en-us_topic_0000001924728856.xml",
"product_code":"dws",
"code":"26",
"des":"You can access GaussDB(DWS) clusters by different methods and the connection address of each connection method varies. This section describes how to view and obtain the p",
"doc_type":"usermanual",
"kw":"Obtaining the Cluster Connection Address,Cluster Connection,User Guide",
"search_title":"",
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],
"title":"Obtaining the Cluster Connection Address",
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{
"uri":"dws_01_0094.html",
"node_id":"en-us_topic_0000001924728784.xml",
"product_code":"dws",
"code":"27",
"des":"Data Studio is a SQL client tool running on the Windows operating system. It provides various GUIs for you to manage databases and database objects, as well as edit, run,",
"doc_type":"usermanual",
"kw":"Using the Data Studio GUI Client to Connect to a Cluster,Cluster Connection,User Guide",
"search_title":"",
"metedata":[
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],
"title":"Using the Data Studio GUI Client to Connect to a Cluster",
"githuburl":""
},
{
"uri":"dws_01_0093.html",
"node_id":"en-us_topic_0000001924728848.xml",
"product_code":"dws",
"code":"28",
"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":"Using the gsql CLI Client to Connect to a Cluster",
"search_title":"",
"metedata":[
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],
"title":"Using the gsql CLI Client to Connect to a Cluster",
"githuburl":""
},
{
"uri":"dws_01_0031.html",
"node_id":"en-us_topic_0000001924569228.xml",
"product_code":"dws",
"code":"29",
"des":"GaussDB(DWS) provides client tool packages that match the cluster versions. You can download the desired client tool package on the GaussDB(DWS) management console.The cl",
"doc_type":"usermanual",
"kw":"Downloading the Client,Using the gsql CLI Client to Connect to a Cluster,User Guide",
"search_title":"",
"metedata":[
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],
"title":"Downloading the Client",
"githuburl":""
},
{
"uri":"dws_01_0037.html",
"node_id":"en-us_topic_0000001952008269.xml",
"product_code":"dws",
"code":"30",
"des":"This section describes how to connect to a database through an SQL client after you create a data warehouse cluster and before you use the cluster's database. GaussDB(DWS",
"doc_type":"usermanual",
"kw":"Using the Linux gsql Client to Connect to a Cluster,Using the gsql CLI Client to Connect to a Cluste",
"search_title":"",
"metedata":[
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"title":"Using the Linux gsql Client to Connect to a Cluster",
"githuburl":""
},
{
"uri":"dws_01_0128.html",
"node_id":"en-us_topic_0000001951848553.xml",
"product_code":"dws",
"code":"31",
"des":"This section describes how to connect to a database through an SQL client after you create a data warehouse cluster and before you use the cluster's database. GaussDB(DWS",
"doc_type":"usermanual",
"kw":"Using the Windows gsql Client to Connect to a Cluster,Using the gsql CLI Client to Connect to a Clus",
"search_title":"",
"metedata":[
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],
"title":"Using the Windows gsql Client to Connect to a Cluster",
"githuburl":""
},
{
"uri":"dws_01_0038.html",
"node_id":"en-us_topic_0000001952008193.xml",
"product_code":"dws",
"code":"32",
"des":"GaussDB(DWS) supports the standard SSL. As a highly secure protocol, SSL authenticates bidirectional identification between the server and client using digital signatures",
"doc_type":"usermanual",
"kw":"Establishing Secure TCP/IP Connections in SSL Mode,Using the gsql CLI Client to Connect to a Cluster",
"search_title":"",
"metedata":[
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],
"title":"Establishing Secure TCP/IP Connections in SSL Mode",
"githuburl":""
},
{
"uri":"dws_01_0081.html",
"node_id":"en-us_topic_0000001924569392.xml",
"product_code":"dws",
"code":"33",
"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":"Using the JDBC and ODBC Drivers to Connect to a Cluster",
"search_title":"",
"metedata":[
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],
"title":"Using the JDBC and ODBC Drivers to Connect to a Cluster",
"githuburl":""
},
{
"uri":"dws_01_0106.html",
"node_id":"en-us_topic_0000001952008229.xml",
"product_code":"dws",
"code":"34",
"des":"If the connection pool mechanism is used during application development, comply with the following specifications: If you do not do so, the status of connections in the c",
"doc_type":"usermanual",
"kw":"Development Specifications,Using the JDBC and ODBC Drivers to Connect to a Cluster,User Guide",
"search_title":"",
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"title":"Development Specifications",
"githuburl":""
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{
"uri":"dws_01_0032.html",
"node_id":"en-us_topic_0000001924728840.xml",
"product_code":"dws",
"code":"35",
"des":"The JDBC or ODBC driver is used to connect to data warehouse clusters. You can download the JDBC or ODBC driver provided by GaussDB(DWS) from the management console or us",
"doc_type":"usermanual",
"kw":"Downloading the JDBC or ODBC Driver,Using the JDBC and ODBC Drivers to Connect to a Cluster,User Gui",
"search_title":"",
"metedata":[
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"title":"Downloading the JDBC or ODBC Driver",
"githuburl":""
},
{
"uri":"dws_01_0077.html",
"node_id":"en-us_topic_0000001952008049.xml",
"product_code":"dws",
"code":"36",
"des":"In GaussDB(DWS), you can use a JDBC driver to connect to a database on Linux or Windows. The driver can connect to the database through an ECS on the cloud platform or ov",
"doc_type":"usermanual",
"kw":"Using JDBC to Connect to a Cluster,Using the JDBC and ODBC Drivers to Connect to a Cluster,User Guid",
"search_title":"",
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"githuburl":""
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{
"uri":"dws_01_0169.html",
"node_id":"en-us_topic_0000001951848509.xml",
"product_code":"dws",
"code":"37",
"des":"If you use JDBC to connect to only one CN in the cluster, this CN may be overloaded and other CN resources wasted. It also incurs single-node failure risks.To avoid these",
"doc_type":"usermanual",
"kw":"Configuring JDBC to Connect to a Cluster (Load Balancing Mode),Using the JDBC and ODBC Drivers to Co",
"search_title":"",
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"title":"Configuring JDBC to Connect to a Cluster (Load Balancing Mode)",
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{
"uri":"dws_01_0133.html",
"node_id":"en-us_topic_0000001951848541.xml",
"product_code":"dws",
"code":"38",
"des":"GaussDB(DWS) allows you to access databases using IAM authentication. When you use the JDBC application program to connect to a cluster, set the IAM username, credential,",
"doc_type":"usermanual",
"kw":"Configuring JDBC to Connect to a Cluster (IAM Authentication Mode),Using the JDBC and ODBC Drivers t",
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},
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"uri":"dws_01_0086.html",
"node_id":"en-us_topic_0000001924569468.xml",
"product_code":"dws",
"code":"39",
"des":"GaussDB(DWS) allows you to use an ODBC driver to connect to the database through an ECS on the cloud platform or over the Internet.For details about how to use the ODBC A",
"doc_type":"usermanual",
"kw":"Using ODBC to Connect to a Cluster,Using the JDBC and ODBC Drivers to Connect to a Cluster,User Guid",
"search_title":"",
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"githuburl":""
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"uri":"dws_01_0120.html",
"node_id":"en-us_topic_0000001924728824.xml",
"product_code":"dws",
"code":"40",
"des":"After creating a data warehouse cluster and using the third-party function library psycopg2 to connect to the cluster, you can use Python to access GaussDB(DWS) and perfo",
"doc_type":"usermanual",
"kw":"Using the Third-Party Function Library psycopg2 of Python to Connect to a Cluster,Cluster Connection",
"search_title":"",
"metedata":[
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"title":"Using the Third-Party Function Library psycopg2 of Python to Connect to a Cluster",
"githuburl":""
},
{
"uri":"dws_01_0171.html",
"node_id":"en-us_topic_0000001951848445.xml",
"product_code":"dws",
"code":"41",
"des":"After creating a data warehouse cluster and using the third-party function library PyGreSQL to connect to the cluster, you can use Python to access GaussDB(DWS) and perfo",
"doc_type":"usermanual",
"kw":"Using the Python Library PyGreSQL to Connect to a Cluster,Cluster Connection,User Guide",
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"githuburl":""
},
{
"uri":"dws_01_0039.html",
"node_id":"en-us_topic_0000001924728760.xml",
"product_code":"dws",
"code":"42",
"des":"By default, a database supports a certain number of connections. Administrators can manage database connections to learn about the connection performance of the current d",
"doc_type":"usermanual",
"kw":"Managing Database Connections,Cluster Connection,User Guide",
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"uri":"dws_01_0162.html",
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"product_code":"dws",
"code":"43",
"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":"Monitoring and Alarms",
"search_title":"",
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"title":"Monitoring and Alarms",
"githuburl":""
},
{
"uri":"dws_01_00014.html",
"node_id":"en-us_topic_0000001924569252.xml",
"product_code":"dws",
"code":"44",
"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.",
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"des":"On the page that is displayed, you can view the cluster status, real-time resource consumption, cluster resource consumption, and key database metrics.Metrics can be coll",
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"des":"You can select a time range and check the performance trend in this range.By default, the monitoring information of the last hour is displayed.You can view the monitoring",
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"des":"The Database Monitoring page displays the real-time and historical resource consumption a database.You can select a database to view its resource usage. For details about",
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"uri":"dws_01_1334.html",
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"des":"You can check the real-time information about all queries and sessions running in the cluster.Real-time query is supported only in clusters of version 8.1.2 and later.To ",
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"kw":"Real-Time Queries,Monitoring,User Guide",
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"des":"All the historical queries in the current cluster will be displayed.Historical queries can be viewed only in clusters of version 8.1.2 and later.To enable historical quer",
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"kw":"Historical Queries,Monitoring,User Guide",
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"des":"On the Instance Monitoring page, you can view the real-time and historical information about detected slow instances.DMS can automatically configure and start the slow in",
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"kw":"Instance Monitoring,Monitoring,User Guide",
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"des":"You can check the real-time statistics and resource consumption history about resource pools.You can check user-defined resource pools, real-time and historical resource ",
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"uri":"dws_01_00175.html",
"node_id":"en-us_topic_0000001924569388.xml",
"product_code":"dws",
"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.",
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"kw":"Utilities",
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"node_id":"en-us_topic_0000001924569276.xml",
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"des":"To enable SQL diagnosis, enable monitoring on real-time and historical queries on the Queries and History tabs, respectively. For details, see Monitoring Collection.Query",
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"kw":"SQL Diagnosis,Utilities,User Guide",
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"uri":"dws_01_01753.html",
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"des":"You can upload and verify SQL probes, execute probe tasks in one click, and periodically execute probe tasks. Alarms can be reported for timeout SQL probes. The procedure",
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"kw":"SQL Probes,Utilities,User Guide",
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"uri":"dws_01_01752.html",
"node_id":"en-us_topic_0000001952008109.xml",
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"des":"GaussDB(DWS) provides statistics and diagnostic tools for you to learn table status, including:Skew Rate: monitors and analyzes data table statistics in the cluster, and ",
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"kw":"Table Diagnosis,Utilities,User Guide",
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"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.",
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"kw":"Workload Analysis",
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"des":"The workload analysis tool of GaussDB(DWS) collects and analyzes database performance data. You can create workload snapshots to record cluster workload data in a specifi",
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"des":"You can check the basic information about the cluster workload snapshots, manually create a snapshot, and configure snapshot parameters.Before creating a workload snapsho",
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"uri":"dws_01_00141.html",
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"des":"You can create, download, and delete work diagnosis reports, and check historical workload diagnosis reports.To create a workload report, obtain the required OBS bucket p",
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"kw":"Workload Reports,Workload Analysis,User Guide",
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{
"uri":"dws_01_00135.html",
"node_id":"en-us_topic_0000001924728812.xml",
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"des":"The Monitoring page displays the collection period of monitoring metrics.The cluster monitoring function is enabled by default.Disable the function if the cluster is bein",
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"kw":"Settings,Databases Monitoring (DMS),User Guide",
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"title":"Settings",
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{
"uri":"dws_01_0143.html",
"node_id":"en-us_topic_0000001924569244.xml",
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"des":"On the task details page, you can view the status of tasks, such as enabling, disabling, resetting, and modifying cluster monitoring collection items; one-click DDL revie",
"doc_type":"usermanual",
"kw":"Checking Task Details,Databases Monitoring (DMS),User Guide",
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{
"uri":"dws_01_00137.html",
"node_id":"en-us_topic_0000001924728884.xml",
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"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.",
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"kw":"Typical Scenarios",
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"uri":"dws_01_01372.html",
"node_id":"en-us_topic_0000001951848513.xml",
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"des":"The execution of SQL statements takes a long time, resulting in great resource consumption.If the execution efficiency of SQL statements is low, optimization suggestions ",
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"kw":"SQL Diagnosis,Typical Scenarios,User Guide",
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{
"uri":"dws_01_0022.html",
"node_id":"en-us_topic_0000001924569356.xml",
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"code":"68",
"des":"This section describes how to check cluster metrics on Cloud Eye. By monitoring cluster running metrics, you can identify the time when the database cluster is abnormal a",
"doc_type":"usermanual",
"kw":"Monitoring Clusters Using Cloud Eye,Monitoring and Alarms,User Guide",
"search_title":"",
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"uri":"dws_01_1240.html",
"node_id":"en-us_topic_0000001952008233.xml",
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"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.",
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"kw":"Alarms",
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"uri":"dws_01_1241.html",
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"des":"Alarm management includes viewing and configuring alarm rules and subscribing to alarm information. Alarm rules display alarm statistics and details of the past week for ",
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"kw":"Alarm Management,Alarms,User Guide",
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"code":"71",
"des":"Concepts related to threshold alarmsAlarm rule: consists of the alarm rule name, rule description, clusters associated with the rule, alarm policy triggering relationship",
"doc_type":"usermanual",
"kw":"Alarm Rules,Alarms,User Guide",
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"code":"72",
"des":"You can subscribe to GaussDB(DWS) alarm notifications to receive notifications by SMS message, email, or application when an alarm of a specified severity is generated.To",
"doc_type":"usermanual",
"kw":"Alarm Subscriptions,Alarms,User Guide",
"search_title":"",
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"uri":"dws_01_0100.html",
"node_id":"en-us_topic_0000001924728852.xml",
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"code":"73",
"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.",
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"kw":"Event Notifications",
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"uri":"dws_01_0099.html",
"node_id":"en-us_topic_0000001924728736.xml",
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"code":"74",
"des":"Events are records of changes in the user's cluster status. Events can be triggered by user operations (such as audit events), or may be caused by cluster service status ",
"doc_type":"usermanual",
"kw":"Event Notifications Overview,Event Notifications,User Guide",
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"uri":"dws_01_0101.html",
"node_id":"en-us_topic_0000001952008221.xml",
"product_code":"dws",
"code":"75",
"des":"After subscribing to GaussDB(DWS) event notification, you will receive notifications by text message, email, or application when management, monitoring, or security event",
"doc_type":"usermanual",
"kw":"Subscribing to Event Notifications,Event Notifications,User Guide",
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"uri":"dws_01_0102.html",
"node_id":"en-us_topic_0000001951848317.xml",
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"code":"76",
"des":"This section describes how to search for events that occur in a cluster or snapshot.On the Events tab page, all events that occur in the clusters or snapshots are display",
"doc_type":"usermanual",
"kw":"Viewing Events,Event Notifications,User Guide",
"search_title":"",
"metedata":[
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}
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{
"uri":"dws_01_0132.html",
"node_id":"en-us_topic_0000001952008209.xml",
"product_code":"dws",
"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.",
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"kw":"Specifications Change and Scaling",
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"title":"Specifications Change and Scaling",
"githuburl":""
},
{
"uri":"dws_01_01755.html",
"node_id":"en-us_topic_0000001951848301.xml",
"product_code":"dws",
"code":"78",
"des":"GaussDB(DWS) allows you to inspect the cluster before making any changes like scaling, changing specifications, or upgrading. Simply click Inspect on the relevant page, a",
"doc_type":"usermanual",
"kw":"Viewing Inspection Results,Specifications Change and Scaling,User Guide",
"search_title":"",
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"title":"Viewing Inspection Results",
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{
"uri":"dws_01_0818.html",
"node_id":"en-us_topic_0000001952008065.xml",
"product_code":"dws",
"code":"79",
"des":"On the Nodes tab page, you can view the node list of the current cluster, add new nodes to or remove nodes from it, and view the node usage, status, flavor, and AZ. To mo",
"doc_type":"usermanual",
"kw":"Managing Nodes,Specifications Change and Scaling,User Guide",
"search_title":"",
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{
"uri":"dws_01_0910.html",
"node_id":"en-us_topic_0000001951848529.xml",
"product_code":"dws",
"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.",
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"kw":"Scaling Nodes",
"search_title":"",
"metedata":[
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"title":"Scaling Nodes",
"githuburl":""
},
{
"uri":"dws_01_0023.html",
"node_id":"en-us_topic_0000001924569256.xml",
"product_code":"dws",
"code":"81",
"des":"When you need more compute and storage resources, add more nodes for cluster scale-out on the management console.When you scale out the standard data warehouse cluster, u",
"doc_type":"usermanual",
"kw":"Scaling Out a Cluster,Scaling Nodes,User Guide",
"search_title":"",
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"title":"Scaling Out a Cluster",
"githuburl":""
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"uri":"dws_01_0820.html",
"node_id":"en-us_topic_0000001951848533.xml",
"product_code":"dws",
"code":"82",
"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":"Cluster Redistribution",
"search_title":"",
"metedata":[
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"title":"Cluster Redistribution",
"githuburl":""
},
{
"uri":"dws_01_8201.html",
"node_id":"en-us_topic_0000001924728644.xml",
"product_code":"dws",
"code":"83",
"des":"Data redistribution, where data in existing nodes is evenly allocated to the new nodes after you scale out a cluster, is a time-consuming yet crucial task that accelerate",
"doc_type":"usermanual",
"kw":"Redistributing Data,Cluster Redistribution,User Guide",
"search_title":"",
"metedata":[
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"title":"Redistributing Data",
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},
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"uri":"dws_01_8202.html",
"node_id":"en-us_topic_0000001924728732.xml",
"product_code":"dws",
"code":"84",
"des":"On the View Redistribution Details page, you can check the monitoring information, including the redistribution mode, redistribution progress, and table redistribution de",
"doc_type":"usermanual",
"kw":"Viewing Redistribution Details,Cluster Redistribution,User Guide",
"search_title":"",
"metedata":[
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],
"title":"Viewing Redistribution Details",
"githuburl":""
},
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"uri":"dws_01_0161.html",
"node_id":"en-us_topic_0000001952008289.xml",
"product_code":"dws",
"code":"85",
"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":"Backup and Disaster Recovery",
"search_title":"",
"metedata":[
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"title":"Backup and Disaster Recovery",
"githuburl":""
},
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"uri":"dws_01_0800.html",
"node_id":"en-us_topic_0000001952008329.xml",
"product_code":"dws",
"code":"86",
"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":"Snapshots",
"search_title":"",
"metedata":[
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"title":"Snapshots",
"githuburl":""
},
{
"uri":"dws_01_0151.html",
"node_id":"en-us_topic_0000001924728720.xml",
"product_code":"dws",
"code":"87",
"des":"A snapshot is a full or incremental backup of a GaussDB(DWS) cluster at a specific point in time. It records the current database data and cluster information, including ",
"doc_type":"usermanual",
"kw":"Overview,Snapshots,User Guide",
"search_title":"",
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"title":"Overview",
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"uri":"dws_01_0092.html",
"node_id":"en-us_topic_0000001924569448.xml",
"product_code":"dws",
"code":"88",
"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":"Manual Snapshots",
"search_title":"",
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"title":"Manual Snapshots",
"githuburl":""
},
{
"uri":"dws_01_0028.html",
"node_id":"en-us_topic_0000001952008113.xml",
"product_code":"dws",
"code":"89",
"des":"A cluster snapshot is a complete backup that records point-in-time configuration data and service data of a GaussDB(DWS) cluster. This section describes how to create a s",
"doc_type":"usermanual",
"kw":"Creating a Manual Snapshot,Manual Snapshots,User Guide",
"search_title":"",
"metedata":[
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}
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},
{
"uri":"dws_01_0030.html",
"node_id":"en-us_topic_0000001951848345.xml",
"product_code":"dws",
"code":"90",
"des":"On the Snapshot Management page of the GaussDB(DWS) management console, you can delete an unwanted snapshot in the Unavailable state or delete an available snapshot to re",
"doc_type":"usermanual",
"kw":"Deleting a Manual Snapshot,Manual Snapshots,User Guide",
"search_title":"",
"metedata":[
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"githuburl":""
},
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"uri":"dws_01_1013.html",
"node_id":"en-us_topic_0000001924728652.xml",
"product_code":"dws",
"code":"91",
"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.",
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"kw":"Automated Snapshots",
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"uri":"dws_01_10131.html",
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"code":"92",
"des":"Automated snapshots adopt differential incremental backups. The automated snapshot created for the first time is a full backup (base version), and then the system creates",
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"kw":"Automatic Snapshot Overview,Automated Snapshots,User Guide",
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"uri":"dws_01_0089.html",
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"code":"93",
"des":"You can select a snapshot type and set one or more automated snapshot policies for a cluster. After an automated snapshot policy is enabled, the system automatically crea",
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"kw":"Configuring an Automated Snapshot Policy,Automated Snapshots,User Guide",
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"title":"Configuring an Automated Snapshot Policy",
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{
"uri":"dws_01_0085.html",
"node_id":"en-us_topic_0000001924728608.xml",
"product_code":"dws",
"code":"94",
"des":"This section describes how to copy snapshots that are automatically created for long-term retention.All snapshots are displayed by default. You can copy the snapshots tha",
"doc_type":"usermanual",
"kw":"Copying Automated Snapshots,Automated Snapshots,User Guide",
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"title":"Copying Automated Snapshots",
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{
"uri":"dws_01_10134.html",
"node_id":"en-us_topic_0000001952008133.xml",
"product_code":"dws",
"code":"95",
"des":"Only GaussDB(DWS) can delete automated snapshots; you cannot delete them manually.GaussDB(DWS) deletes an automated snapshot if:The retention period of the snapshot ends.",
"doc_type":"usermanual",
"kw":"Deleting an Automated Snapshot,Automated Snapshots,User Guide",
"search_title":"",
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"title":"Deleting an Automated Snapshot",
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{
"uri":"dws_01_0021.html",
"node_id":"en-us_topic_0000001952008213.xml",
"product_code":"dws",
"code":"96",
"des":"This section describes how to view snapshot information on the Snapshots page.In the snapshot list, all snapshots are displayed by default.You can also enter a snapshot n",
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"kw":"Viewing Snapshot Information,Snapshots,User Guide",
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{
"uri":"dws_01_1015.html",
"node_id":"en-us_topic_0000001924728808.xml",
"product_code":"dws",
"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.",
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"kw":"Restoration Using a Snapshot",
"search_title":"",
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"title":"Restoration Using a Snapshot",
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{
"uri":"dws_01_1029.html",
"node_id":"en-us_topic_0000001952008237.xml",
"product_code":"dws",
"code":"98",
"des":"Cluster-level restoration consists of two steps:Data restoration: Restores data in the backup set to the data directory of each primary DN/CN instance in parallel.Rebuild",
"doc_type":"usermanual",
"kw":"Constraints on Restoring a Snapshot,Restoration Using a Snapshot,User Guide",
"search_title":"",
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"title":"Constraints on Restoring a Snapshot",
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{
"uri":"dws_01_0029.html",
"node_id":"en-us_topic_0000001924728744.xml",
"product_code":"dws",
"code":"99",
"des":"This section describes how to restore a snapshot to a new cluster when you want to check point-in-time snapshot data of the cluster.When a snapshot is restored to a new c",
"doc_type":"usermanual",
"kw":"Restoring a Snapshot to a New Cluster,Restoration Using a Snapshot,User Guide",
"search_title":"",
"metedata":[
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"title":"Restoring a Snapshot to a New Cluster",
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{
"uri":"dws_01_00097.html",
"node_id":"en-us_topic_0000001924728844.xml",
"product_code":"dws",
"code":"100",
"des":"You can use a snapshot to restore data to the original cluster. This function is used when a cluster is faulty or data needs to be rolled back to a specified snapshot ver",
"doc_type":"usermanual",
"kw":"Restoring a Snapshot to the Original Cluster,Restoration Using a Snapshot,User Guide",
"search_title":"",
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"title":"Restoring a Snapshot to the Original Cluster",
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{
"uri":"dws_01_1071.html",
"node_id":"en-us_topic_0000001924728768.xml",
"product_code":"dws",
"code":"101",
"des":"You can configure the parameters for creating and restoring a snapshot.This feature applies only to clusters of 8.2.0 or later. (For clusters of versions earlier than 8.2",
"doc_type":"usermanual",
"kw":"Configuring a Snapshot,Snapshots,User Guide",
"search_title":"",
"metedata":[
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"title":"Configuring a Snapshot",
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{
"uri":"dws_01_1019.html",
"node_id":"en-us_topic_0000001924728832.xml",
"product_code":"dws",
"code":"102",
"des":"You can stop snapshot creation on the Snapshots page.This feature is supported only in version 8.1.3.200 and later.If the snapshot is ready to complete, the command for s",
"doc_type":"usermanual",
"kw":"Stopping Snapshot Creation,Snapshots,User Guide",
"search_title":"",
"metedata":[
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"title":"Stopping Snapshot Creation",
"githuburl":""
},
{
"uri":"dws_01_1160.html",
"node_id":"en-us_topic_0000001952008085.xml",
"product_code":"dws",
"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":"Intelligent O&M",
"search_title":"",
"metedata":[
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"title":"Intelligent O&M",
"githuburl":""
},
{
"uri":"dws_01_1161.html",
"node_id":"en-us_topic_0000001924728864.xml",
"product_code":"dws",
"code":"104",
"des":"GaussDB(DWS) provides the intelligent O&M feature to help users quickly and efficiently execute O&M tasks. Intelligent O&M selects a proper time window and concurrency to",
"doc_type":"usermanual",
"kw":"Overview,Intelligent O&M,User Guide",
"search_title":"",
"metedata":[
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"prodname":"dws",
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"title":"Overview",
"githuburl":""
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{
"uri":"dws_01_1162.html",
"node_id":"en-us_topic_0000001951848537.xml",
"product_code":"dws",
"code":"105",
"des":"This configuration takes effect for the VACUUM FULL O&M tasks of all user tables.The concurrency value range is 1 to 24. Configure it based on the remaining disk space an",
"doc_type":"usermanual",
"kw":"Managing O&M Plans,Intelligent O&M,User Guide",
"search_title":"",
"metedata":[
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"prodname":"dws",
"opensource":"true",
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],
"title":"Managing O&M Plans",
"githuburl":""
},
{
"uri":"dws_01_1163.html",
"node_id":"en-us_topic_0000001924569268.xml",
"product_code":"dws",
"code":"106",
"des":"O&M Task: VacuumStatus: Waiting, Running, Completed, or Failed.ProgressRemaining Time WindowTime Window (Local Time)Tables Being VacuumedTables to Be VacuumedVacuumed Tab",
"doc_type":"usermanual",
"kw":"Viewing O&M Tasks,Intelligent O&M,User Guide",
"search_title":"",
"metedata":[
{
}
],
"title":"Viewing O&M Tasks",
"githuburl":""
},
{
"uri":"dws_01_0600.html",
"node_id":"en-us_topic_0000001924728764.xml",
"product_code":"dws",
"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":"Cluster Management",
"search_title":"",
"metedata":[
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"title":"Cluster Management",
"githuburl":""
},
{
"uri":"dws_01_0152.html",
"node_id":"en-us_topic_0000001952008165.xml",
"product_code":"dws",
"code":"108",
"des":"After a cluster is created, you can modify the cluster's database parameters as required. On the GaussDB(DWS) console, you can configure common database parameters. For d",
"doc_type":"usermanual",
"kw":"Modifying Database Parameters,Cluster Management,User Guide",
"search_title":"",
"metedata":[
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"opensource":"true",
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"title":"Modifying Database Parameters",
"githuburl":""
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{
"uri":"dws_01_0020.html",
"node_id":"en-us_topic_0000001951848341.xml",
"product_code":"dws",
"code":"109",
"des":"On the Clusters > Dedicated Clusters page of the GaussDB(DWS) console, you can view the general information about a cluster in the cluster list, such as the cluster statu",
"doc_type":"usermanual",
"kw":"Checking the Cluster Status,Cluster Management,User Guide",
"search_title":"",
"metedata":[
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"prodname":"dws",
"opensource":"true",
"documenttype":"usermanual"
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],
"title":"Checking the Cluster Status",
"githuburl":""
},
{
"uri":"dws_01_0112.html",
"node_id":"en-us_topic_0000001952008205.xml",
"product_code":"dws",
"code":"110",
"des":"Log in to the GaussDB(DWS) console. In the navigation tree on the left, click Clusters > Dedicated Clusters. In the cluster list, locate the required cluster and click it",
"doc_type":"usermanual",
"kw":"Viewing Cluster Details,Cluster Management,User Guide",
"search_title":"",
"metedata":[
{
"prodname":"dws",
"opensource":"true",
"documenttype":"usermanual"
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],
"title":"Viewing Cluster Details",
"githuburl":""
},
{
"uri":"dws_01_7165.html",
"node_id":"en-us_topic_0000001952008321.xml",
"product_code":"dws",
"code":"111",
"des":"After a GaussDB(DWS) cluster is created, you can change the cluster name as required.After the cluster name is changed, the names of all nodes in the current cluster are ",
"doc_type":"usermanual",
"kw":"Changing a Cluster Name,Cluster Management,User Guide",
"search_title":"",
"metedata":[
{
}
],
"title":"Changing a Cluster Name",
"githuburl":""
},
{
"uri":"dws_01_0140.html",
"node_id":"en-us_topic_0000001952008089.xml",
"product_code":"dws",
"code":"112",
"des":"A domain name is a string of characters separated by dots to identify the location of a computer or a computer group on the Internet, for example, www.example.com. You ca",
"doc_type":"usermanual",
"kw":"Managing Access Domain Names,Cluster Management,User Guide",
"search_title":"",
"metedata":[
{
}
],
"title":"Managing Access Domain Names",
"githuburl":""
},
{
"uri":"dws_01_0159.html",
"node_id":"en-us_topic_0000001924728676.xml",
"product_code":"dws",
"code":"113",
"des":"A topology shows all the nodes in a cluster. You can check the node statuses, processes, and IP addresses.You can check the topology structure and node processes.Only clu",
"doc_type":"usermanual",
"kw":"Cluster Topology,Cluster Management,User Guide",
"search_title":"",
"metedata":[
{
"prodname":"dws",
"opensource":"true",
"documenttype":"usermanual"
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],
"title":"Cluster Topology",
"githuburl":""
},
{
"uri":"dws_01_0103.html",
"node_id":"en-us_topic_0000001924569480.xml",
"product_code":"dws",
"code":"114",
"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":"Managing Tags",
"search_title":"",
"metedata":[
{
}
],
"title":"Managing Tags",
"githuburl":""
},
{
"uri":"dws_01_0104.html",
"node_id":"en-us_topic_0000001952008141.xml",
"product_code":"dws",
"code":"115",
"des":"A tag is a key-value pair customized by users and used to identify cloud resources. It helps users to classify and search for cloud resources.Tags are composed of key-val",
"doc_type":"usermanual",
"kw":"Overview,Managing Tags,User Guide",
"search_title":"",
"metedata":[
{
}
],
"title":"Overview",
"githuburl":""
},
{
"uri":"dws_01_0105.html",
"node_id":"en-us_topic_0000001924569400.xml",
"product_code":"dws",
"code":"116",
"des":"This section describes how to search for clusters based on tags and how to add, modify, and delete tags.You can quickly locate a tagged cluster using tags.Search by tag s",
"doc_type":"usermanual",
"kw":"Managing Tags,Managing Tags,User Guide",
"search_title":"",
"metedata":[
{
}
],
"title":"Managing Tags",
"githuburl":""
},
{
"uri":"dws_01_0113.html",
"node_id":"en-us_topic_0000001924728804.xml",
"product_code":"dws",
"code":"117",
"des":"An enterprise project is a cloud resource management mode. Enterprise Management provides users with comprehensive management in cloud-based resources, personnel, and per",
"doc_type":"usermanual",
"kw":"Managing Enterprise Projects,Cluster Management,User Guide",
"search_title":"",
"metedata":[
{
}
],
"title":"Managing Enterprise Projects",
"githuburl":""
},
{
"uri":"dws_01_0073.html",
"node_id":"en-us_topic_0000001924569212.xml",
"product_code":"dws",
"code":"118",
"des":"If a cluster fails to be created, you can go to the Clusters > Dedicated Clusters page of the GaussDB(DWS) console to view the cluster status and the cause of failure.You",
"doc_type":"usermanual",
"kw":"Managing Clusters That Fail to Be Created,Cluster Management,User Guide",
"search_title":"",
"metedata":[
{
}
],
"title":"Managing Clusters That Fail to Be Created",
"githuburl":""
},
{
"uri":"dws_01_0035.html",
"node_id":"en-us_topic_0000001952008073.xml",
"product_code":"dws",
"code":"119",
"des":"A cluster in read-only status does not allow write operations. You can remove this status on the management console. A cluster becomes read-only probably because of high ",
"doc_type":"usermanual",
"kw":"Removing the Read-only Status,Cluster Management,User Guide",
"search_title":"",
"metedata":[
{
}
],
"title":"Removing the Read-only Status",
"githuburl":""
},
{
"uri":"dws_01_8115.html",
"node_id":"en-us_topic_0000001952008277.xml",
"product_code":"dws",
"code":"120",
"des":"In the Unbalanced state, the number of primary instances on some nodes increases. As a result, the load pressure is high. In this case, the cluster is normal, but the ove",
"doc_type":"usermanual",
"kw":"Performing a Primary/Standby Switchback,Cluster Management,User Guide",
"search_title":"",
"metedata":[
{
}
],
"title":"Performing a Primary/Standby Switchback",
"githuburl":""
},
{
"uri":"dws_01_0024.html",
"node_id":"en-us_topic_0000001952008273.xml",
"product_code":"dws",
"code":"121",
"des":"If a cluster is in the Unbalanced state or cannot work properly, you may need to restart it for restoration. After modifying a cluster's configurations, such as security ",
"doc_type":"usermanual",
"kw":"Starting and Stopping a Cluster,Cluster Management,User Guide",
"search_title":"",
"metedata":[
{
"prodname":"dws",
"opensource":"true",
"documenttype":"usermanual"
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],
"title":"Starting and Stopping a Cluster",
"githuburl":""
},
{
"uri":"dws_01_0026.html",
"node_id":"en-us_topic_0000001924569248.xml",
"product_code":"dws",
"code":"122",
"des":"GaussDB(DWS) allows you to reset the password of the database administrator. If a database administrator forgets their password or the account is locked because the numbe",
"doc_type":"usermanual",
"kw":"Resetting a Password,Cluster Management,User Guide",
"search_title":"",
"metedata":[
{
}
],
"title":"Resetting a Password",
"githuburl":""
},
{
"uri":"dws_01_0008.html",
"node_id":"en-us_topic_0000001924569420.xml",
"product_code":"dws",
"code":"123",
"des":"GaussDB(DWS) allows users to upgrade clusters on the console. For details, see Upgrading a Cluster.During cluster O&M operations, GaussDB(DWS) will send SMS notifications",
"doc_type":"usermanual",
"kw":"Cluster Upgrade,Cluster Management,User Guide",
"search_title":"",
"metedata":[
{
"prodname":"dws",
"opensource":"true",
"documenttype":"usermanual"
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],
"title":"Cluster Upgrade",
"githuburl":""
},
{
"uri":"dws_01_0822.html",
"node_id":"en-us_topic_0000001952008061.xml",
"product_code":"dws",
"code":"124",
"des":"If the private IP address or EIP of a CN is used to connect to a cluster, the failure of this CN will lead to cluster connection failure. If a private domain name is used",
"doc_type":"usermanual",
"kw":"Associating and Disassociating ELB,Cluster Management,User Guide",
"search_title":"",
"metedata":[
{
}
],
"title":"Associating and Disassociating ELB",
"githuburl":""
},
{
"uri":"dws_01_7115.html",
"node_id":"en-us_topic_0000001924728772.xml",
"product_code":"dws",
"code":"125",
"des":"After a cluster is created, the number of required CNs varies with service requirements. The CN management function enables you to adjust the number of CNs in the cluster",
"doc_type":"usermanual",
"kw":"Managing CNs,Cluster Management,User Guide",
"search_title":"",
"metedata":[
{
}
],
"title":"Managing CNs",
"githuburl":""
},
{
"uri":"dws_01_01111.html",
"node_id":"en-us_topic_0000001952008005.xml",
"product_code":"dws",
"code":"126",
"des":"Cluster logs are collected and sent to Log Tank Service (LTS). You can check or dump the collected cluster logs on LTS.The following log types are supported: CN logs, DN ",
"doc_type":"usermanual",
"kw":"Cluster Log Management,User Guide",
"search_title":"",
"metedata":[
{
}
],
"title":"Cluster Log Management",
"githuburl":""
},
{
"uri":"dws_01_01112.html",
"node_id":"en-us_topic_0000001952008285.xml",
"product_code":"dws",
"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":"Database User Management",
"search_title":"",
"metedata":[
{
}
],
"title":"Database User Management",
"githuburl":""
},
{
"uri":"dws_01_01113.html",
"node_id":"en-us_topic_0000001951848497.xml",
"product_code":"dws",
"code":"128",
"des":"GaussDB(DWS) allows you to manage database users on the console. You can create, delete, and update database users and manage their permissions on the console.If the curr",
"doc_type":"usermanual",
"kw":"Managing Users,Database User Management,User Guide",
"search_title":"",
"metedata":[
{
"prodname":"dws",
"opensource":"true",
"documenttype":"usermanual"
}
],
"title":"Managing Users",
"githuburl":""
},
{
"uri":"dws_01_01114.html",
"node_id":"en-us_topic_0000001924569204.xml",
"product_code":"dws",
"code":"129",
"des":"Click Add to add a permission configuration. Select the database object type and the corresponding objects. Then, select permissions. For details about permission definit",
"doc_type":"usermanual",
"kw":"Managing Roles,Database User Management,User Guide",
"search_title":"",
"metedata":[
{
"prodname":"dws",
"opensource":"true",
"documenttype":"usermanual"
}
],
"title":"Managing Roles",
"githuburl":""
},
{
"uri":"dws_01_0119.html",
"node_id":"en-us_topic_0000001924569404.xml",
"product_code":"dws",
"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":"Audit Logs",
"search_title":"",
"metedata":[
{
}
],
"title":"Audit Logs",
"githuburl":""
},
{
"uri":"dws_01_1911.html",
"node_id":"en-us_topic_0000001924569240.xml",
"product_code":"dws",
"code":"131",
"des":"GaussDB(DWS) provides management console audit logs and database audit logs for users to query service logs, analyze problems, and learn product security and performance ",
"doc_type":"usermanual",
"kw":"Audit Log Overview,Audit Logs,User Guide",
"search_title":"",
"metedata":[
{
}
],
"title":"Audit Log Overview",
"githuburl":""
},
{
"uri":"dws_01_0118.html",
"node_id":"en-us_topic_0000001951848581.xml",
"product_code":"dws",
"code":"132",
"des":"A tracker will be automatically created after CTS is enabled. All traces recorded by CTS are associated with a tracker. Currently, only one tracker can be created for eac",
"doc_type":"usermanual",
"kw":"Management Console Audit Logs,Audit Logs,User Guide",
"search_title":"",
"metedata":[
{
}
],
"title":"Management Console Audit Logs",
"githuburl":""
},
{
"uri":"dws_01_0184.html",
"node_id":"en-us_topic_0000001924728728.xml",
"product_code":"dws",
"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":"Database Audit Logs",
"search_title":"",
"metedata":[
{
}
],
"title":"Database Audit Logs",
"githuburl":""
},
{
"uri":"dws_01_0075.html",
"node_id":"en-us_topic_0000001924569232.xml",
"product_code":"dws",
"code":"134",
"des":"Database audit logs are configured on the Security Settings page. You can change security settings only when the cluster status is Available and Unbalanced, and Task Info",
"doc_type":"usermanual",
"kw":"Configuring the Database Audit Logs,Database Audit Logs,User Guide",
"search_title":"",
"metedata":[
{
"prodname":"dws",
"opensource":"true",
"documenttype":"usermanual"
}
],
"title":"Configuring the Database Audit Logs",
"githuburl":""
},
{
"uri":"dws_01_0142.html",
"node_id":"en-us_topic_0000001952008045.xml",
"product_code":"dws",
"code":"135",
"des":"GaussDB(DWS) records information (audit logs) about connections and user activities in your database. The audit logs help you monitor the database to ensure security, rec",
"doc_type":"usermanual",
"kw":"Dumping the Database Audit Logs,Database Audit Logs,User Guide",
"search_title":"",
"metedata":[
{
}
],
"title":"Dumping the Database Audit Logs",
"githuburl":""
},
{
"uri":"dws_01_0183.html",
"node_id":"en-us_topic_0000001951848337.xml",
"product_code":"dws",
"code":"136",
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"des":"The system resources (CPU, memory, I/O, and storage resources) of a database are limited. When multiple types of services (such as data loading, batch analysis, and real-",
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"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.",
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"uri":"dws_01_1512.html",
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"des":"GaussDB(DWS) resource pools provide concurrency management, memory management, CPU management, and exception rules.Concurrency represents the maximum number of concurrent",
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"des":"Up to 63 resource pools can be created.",
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"des":"You can modify the parameters of a resource pool on the resource management page.Click Edit on the right and modify the parameters according to Table 1.Resource pool para",
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"code":"148",
"des":"After a resource pool is deleted, the users (if any) associated with this pool will be associated with the default resource pool instead.",
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"uri":"dws_01_72365.html",
"node_id":"en-us_topic_0000001924569504.xml",
"product_code":"dws",
"code":"149",
"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.",
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"uri":"dws_01_72362.html",
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"code":"150",
"des":"The resource management plan is an advanced resource management feature provided by GaussDB(DWS). You can create a resource management plan, add multiple stages to the pl",
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"uri":"dws_01_72366.html",
"node_id":"en-us_topic_0000001924569512.xml",
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"des":"Your cluster may run out of space if disk usage is not controlled, resulting in cluster exceptions and service interruption. Once disks are full, it takes long and huge e",
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"node_id":"en-us_topic_0000001924569344.xml",
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"des":"Some complex statements may consume a large number of resources for computing, leading to performance deterioration of the entire GaussDB(DWS) database. To maintain syste",
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"code":"154",
"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.",
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"uri":"dws_01_0057.html",
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"code":"155",
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"kw":"MRS Data Sources",
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"uri":"dws_01_0055.html",
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"des":"Before GaussDB(DWS) reads data from MRS HDFS, you need to create an MRS data source connection that functions as a channel of transporting data warehouse cluster data and",
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"kw":"Creating an MRS Data Source Connection,MRS Data Sources,User Guide",
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"uri":"dws_01_0156.html",
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"code":"158",
"des":"For MRS, if the following parameter configurations of the HDFS cluster change, data may fail to be imported to the data warehouse cluster from the HDFS cluster. Before im",
"doc_type":"usermanual",
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"uri":"dws_01_1602.html",
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"code":"159",
"des":"GaussDB(DWS) allows you to access data on OBS by using an agency. You can create a GaussDB(DWS) agency, grant the OBS OperateAccess or OBS Administrator permission to the",
"doc_type":"usermanual",
"kw":"Managing OBS Data Sources,Data Source Management,User Guide",
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"uri":"dws_01_0724.html",
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"code":"160",
"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.",
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"uri":"dws_01_7241.html",
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"des":"A physical cluster can be divided into Node Groups, which are logical clusters. All physical nodes in a physical cluster are divided into multiple logical clusters. A log",
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"des":"PrecautionsIf you access the Logical Clusters page for the first time, the metadata of the logical cluster created at the backend is synchronized to the frontend. After t",
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"kw":"Adding/Deleting a Logical Cluster,Managing Logical Clusters,User Guide",
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"code":"163",
"des":"PrecautionsNodes are added to or removed from a logical cluster by ring.At least one ring must be reserved in a logical cluster.The ring removed from the logical cluster ",
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"kw":"Managing Logical Clusters,Managing Logical Clusters,User Guide",
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"uri":"dws_01_7251.html",
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"code":"164",
"des":"A large database cluster usually contains a large amount of data put in different tables. With the resource management feature, you can create resource pools to isolate t",
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"kw":"Tutorial: Converting a Physical Cluster That Contains Data into a Logical Cluster,Managing Logical C",
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"code":"165",
"des":"This section describes how to divide a new six-node physical cluster (having no service data) into two logical clusters. If your physical cluster already has service data",
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"kw":"Tutorial: Dividing a New Physical Cluster into Logical Clusters,Managing Logical Clusters,User Guide",
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"uri":"dws_03_0061.html",
"node_id":"en-us_topic_0000001924569500.xml",
"product_code":"dws",
"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.",
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"uri":"dws_03_0001.html",
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"code":"167",
"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.",
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"kw":"Product Consulting",
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{
"uri":"dws_03_0009.html",
"node_id":"en-us_topic_0000001381728549.xml",
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"code":"168",
"des":"Both allow you to run conventional relational databases on the cloud and transfer database management loads. RDS databases are useful for OLTP, reporting, and analysis, b",
"doc_type":"usermanual",
"kw":"Should I Choose Public Cloud GaussDB(DWS) or RDS?,Product Consulting,User Guide",
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"uri":"dws_03_0034.html",
"node_id":"en-us_topic_0000001330329144.xml",
"product_code":"dws",
"code":"169",
"des":"For CLOUD services, quotas limit the number of resources available to users. If you need more, submit a service ticket to increase your quotas. Once approved, we will upd",
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"uri":"dws_03_0067.html",
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"code":"170",
"des":"Users and roles are shared within the entire cluster, but their data is not shared. That is, a user can connect to any database, but after the connection is successful, a",
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"kw":"What Are the Differences Between GaussDB(DWS) Users and Roles?,Product Consulting,User Guide",
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"uri":"dws_03_0063.html",
"node_id":"en-us_topic_0000001330488816.xml",
"product_code":"dws",
"code":"171",
"des":"Method 1:When you create a GaussDB(DWS) database user, if the time when the user takes effect (VALID BEGIN) is the same as the creation time of the user, and the time whe",
"doc_type":"usermanual",
"kw":"How Do I Check the Creation Time of a GaussDB(DWS) Database User?,Product Consulting,User Guide",
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"metedata":[
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"title":"How Do I Check the Creation Time of a GaussDB(DWS) Database User?",
"githuburl":""
},
{
"uri":"dws_03_0052.html",
"node_id":"en-us_topic_0000001381728553.xml",
"product_code":"dws",
"code":"172",
"des":"A region and availability zone (AZ) identify the location of a data center. You can create resources in regions and AZs.A region is a physical data center location. Each ",
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"kw":"Learn How to Select a GaussDB(DWS) Region and AZ,Product Consulting,User Guide",
"search_title":"",
"metedata":[
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"title":"Learn How to Select a GaussDB(DWS) Region and AZ",
"githuburl":""
},
{
"uri":"dws_03_0022.html",
"node_id":"en-us_topic_0000001381889057.xml",
"product_code":"dws",
"code":"173",
"des":"Yes. In the big data era, data has become a core asset. The public cloud will adhere to the commitment made over the years that we do not touch your applications or data,",
"doc_type":"usermanual",
"kw":"Is Data Secure in GaussDB(DWS)?,Product Consulting,User Guide",
"search_title":"",
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"title":"Is Data Secure in GaussDB(DWS)?",
"githuburl":""
},
{
"uri":"dws_03_0053.html",
"node_id":"en-us_topic_0000001330808740.xml",
"product_code":"dws",
"code":"174",
"des":"After a GaussDB(DWS) cluster is created, you can add, delete, or modify security group rules in the current security group.Modify an existing security group rule:Log in t",
"doc_type":"usermanual",
"kw":"Can I Modify the Security Group of a GaussDB(DWS) Cluster?,Product Consulting,User Guide",
"search_title":"",
"metedata":[
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"title":"Can I Modify the Security Group of a GaussDB(DWS) Cluster?",
"githuburl":""
},
{
"uri":"dws_03_2143.html",
"node_id":"en-us_topic_0000001790141229.xml",
"product_code":"dws",
"code":"175",
"des":"By using the versioning concurrency control (MVCC) mechanism, GaussDB(DWS) can achieve consistency and concurrency for multiple transactions that access the database simu",
"doc_type":"usermanual",
"kw":"How Are Dirty Pages Generated in GaussDB(DWS)?,Product Consulting,User Guide",
"search_title":"",
"metedata":[
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}
],
"title":"How Are Dirty Pages Generated in GaussDB(DWS)?",
"githuburl":""
},
{
"uri":"dws_03_0024.html",
"node_id":"en-us_topic_0000001330329156.xml",
"product_code":"dws",
"code":"176",
"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 Connections",
"search_title":"",
"metedata":[
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],
"title":"Database Connections",
"githuburl":""
},
{
"uri":"dws_03_2132.html",
"node_id":"en-us_topic_0000001384777037.xml",
"product_code":"dws",
"code":"177",
"des":"For applications to communicate with GaussDB(DWS), make sure the networks between them are connected. The following table lists common connection scenarios.To ensure low ",
"doc_type":"usermanual",
"kw":"How Applications Communicate with GaussDB(DWS)?,Database Connections,User Guide",
"search_title":"",
"metedata":[
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}
],
"title":"How Applications Communicate with GaussDB(DWS)?",
"githuburl":""
},
{
"uri":"dws_03_0017.html",
"node_id":"en-us_topic_0000001381609389.xml",
"product_code":"dws",
"code":"178",
"des":"Yes, but GaussDB(DWS) clients and drivers are recommended. Unlike open-source PostgreSQL clients and drivers, GaussDB(DWS) clients and drivers have two key advantages:Sec",
"doc_type":"usermanual",
"kw":"Does GaussDB(DWS) Support Third-Party Clients and JDBC and ODBC Drivers?,Database Connections,User G",
"search_title":"",
"metedata":[
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],
"title":"Does GaussDB(DWS) Support Third-Party Clients and JDBC and ODBC Drivers?",
"githuburl":""
},
{
"uri":"dws_03_0014.html",
"node_id":"en-us_topic_0000001381728565.xml",
"product_code":"dws",
"code":"179",
"des":"Check the following:Whether the cluster status is normal.Whether the connection command, username, password, IP address, and port number are incorrect.Whether the operati",
"doc_type":"usermanual",
"kw":"What Should I Do If I Cannot Connect to a GaussDB(DWS) Cluster?,Database Connections,User Guide",
"search_title":"",
"metedata":[
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],
"title":"What Should I Do If I Cannot Connect to a GaussDB(DWS) Cluster?",
"githuburl":""
},
{
"uri":"dws_03_0025.html",
"node_id":"en-us_topic_0000001381889069.xml",
"product_code":"dws",
"code":"180",
"des":"The network is disconnected when the EIP is unbound. However, the TCP layer does not detect a faulty physical connection in time due to keepalive settings. As a result, t",
"doc_type":"usermanual",
"kw":"Why Was I Not Notified of Failure Unbinding the EIP When GaussDB(DWS) Is Connected Over the Internet",
"search_title":"",
"metedata":[
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}
],
"title":"Why Was I Not Notified of Failure Unbinding the EIP When GaussDB(DWS) Is Connected Over the Internet?",
"githuburl":""
},
{
"uri":"dws_03_2130.html",
"node_id":"en-us_topic_0000001330648776.xml",
"product_code":"dws",
"code":"181",
"des":"You can also log in to the VPC management console to manually create a security group. Then, go back to the page for creating data warehouse clusters, click the button n",
"doc_type":"usermanual",
"kw":"How Do I Configure a Whitelist to Protect GaussDB(DWS) Clusters Available Through a Public IP Addres",
"search_title":"",
"metedata":[
{
}
],
"title":"How Do I Configure a Whitelist to Protect GaussDB(DWS) Clusters Available Through a Public IP Address?",
"githuburl":""
},
{
"uri":"dws_03_0026.html",
"node_id":"en-us_topic_0000001330329160.xml",
"product_code":"dws",
"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":"Data Migration",
"search_title":"",
"metedata":[
{
}
],
"title":"Data Migration",
"githuburl":""
},
{
"uri":"dws_03_0018.html",
"node_id":"en-us_topic_0000001381609393.xml",
"product_code":"dws",
"code":"183",
"des":"The file formats supported by OBS and GDS foreign tables are as follows:OBS supports ORC, TEXT, JSON, CSV, CARBONDATA and PARQUET file formats for data import and ORC, CS",
"doc_type":"usermanual",
"kw":"What Are the Differences Between Data Formats Supported by OBS and GDS Foreign Tables in GaussDB(DWS",
"search_title":"",
"metedata":[
{
}
],
"title":"What Are the Differences Between Data Formats Supported by OBS and GDS Foreign Tables in GaussDB(DWS)?",
"githuburl":""
},
{
"uri":"dws_03_0027.html",
"node_id":"en-us_topic_0000001381728573.xml",
"product_code":"dws",
"code":"184",
"des":"GaussDB(DWS) supports efficient data import from multiple data sources. The following lists typical data import modes. For details, see section \"Importing Data\" in the Da",
"doc_type":"usermanual",
"kw":"How Does GaussDB(DWS) Store Data?,Data Migration,User Guide",
"search_title":"",
"metedata":[
{
}
],
"title":"How Does GaussDB(DWS) Store Data?",
"githuburl":""
},
{
"uri":"dws_03_0028.html",
"node_id":"en-us_topic_0000001381889073.xml",
"product_code":"dws",
"code":"185",
"des":"Each node in a GaussDB(DWS) cluster has a default storage capacity of 160 GB, 256 GB, 1.6 TB, 1.8 TB, or 13 TB. A cluster can house 3 to 256 nodes and the total storage c",
"doc_type":"usermanual",
"kw":"How Much Service Data Can Be Stored in GaussDB(DWS)?,Data Migration,User Guide",
"search_title":"",
"metedata":[
{
}
],
"title":"How Much Service Data Can Be Stored in GaussDB(DWS)?",
"githuburl":""
},
{
"uri":"dws_03_0073.html",
"node_id":"en-us_topic_0000001381808753.xml",
"product_code":"dws",
"code":"186",
"des":"GaussDB(DWS) is a fully managed service on the cloud. Users cannot log in to the background to import or export data by using COPY, so the COPY syntax is disabled. You ar",
"doc_type":"usermanual",
"kw":"How to Import and Export Data in GaussDB(DWS) Using \\copy?,Data Migration,User Guide",
"search_title":"",
"metedata":[
{
}
],
"title":"How to Import and Export Data in GaussDB(DWS) Using \\copy?",
"githuburl":""
},
{
"uri":"dws_03_0080.html",
"node_id":"en-us_topic_0000001587507168.xml",
"product_code":"dws",
"code":"187",
"des":"To import data from database A (UTF8) to database B (GBK), there may be a character set mismatch error which causes the data import to fail.To import a small amount of da",
"doc_type":"usermanual",
"kw":"How Do I Implement Fault Tolerance Import Between Different GaussDB(DWS) Encoding Libraries,Data Mig",
"search_title":"",
"metedata":[
{
}
],
"title":"How Do I Implement Fault Tolerance Import Between Different GaussDB(DWS) Encoding Libraries",
"githuburl":""
},
{
"uri":"dws_03_1549.html",
"node_id":"en-us_topic_0000001381609397.xml",
"product_code":"dws",
"code":"188",
"des":"The GaussDB(DWS) import performance is affected by the following factors:Cluster specifications: disk I/O, network throughput, memory, and CPU specificationsService plann",
"doc_type":"usermanual",
"kw":"Which Are the Factors That Affect GaussDB(DWS) Import Performance?,Data Migration,User Guide",
"search_title":"",
"metedata":[
{
}
],
"title":"Which Are the Factors That Affect GaussDB(DWS) Import Performance?",
"githuburl":""
},
{
"uri":"dws_03_0065.html",
"node_id":"en-us_topic_0000001330329168.xml",
"product_code":"dws",
"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":"Database Usage",
"search_title":"",
"metedata":[
{
}
],
"title":"Database Usage",
"githuburl":""
},
{
"uri":"dws_03_2126.html",
"node_id":"en-us_topic_0000001381889085.xml",
"product_code":"dws",
"code":"190",
"des":"In a data warehouse database, you need to carefully choose distribution columns for large tables, because they can affect your database and query performance. If an impro",
"doc_type":"usermanual",
"kw":"How Do I Adjust GaussDB(DWS) Distribution Columns?,Database Usage,User Guide",
"search_title":"",
"metedata":[
{
}
],
"title":"How Do I Adjust GaussDB(DWS) Distribution Columns?",
"githuburl":""
},
{
"uri":"dws_03_0085.html",
"node_id":"en-us_topic_0000001330648788.xml",
"product_code":"dws",
"code":"191",
"des":"Use the server_encoding parameter to check the character set encoding of the current database. For example, the character encoding of database music is UTF8.GaussDB(DWS) ",
"doc_type":"usermanual",
"kw":"How Do I View and Set the Character Set Encoding Format of the GaussDB(DWS) Database?,Database Usage",
"search_title":"",
"metedata":[
{
}
],
"title":"How Do I View and Set the Character Set Encoding Format of the GaussDB(DWS) Database?",
"githuburl":""
},
{
"uri":"dws_03_0186.html",
"node_id":"en-us_topic_0000001330329172.xml",
"product_code":"dws",
"code":"192",
"des":"When creating a database, you can set the DBCOMPATIBILITY parameter to the compatible database type. The value of DBCOMPATIBILITY can be ORA, TD, and MySQL, indicating Or",
"doc_type":"usermanual",
"kw":"What Do I Do If Date Type Is Automatically Converted to the Timestamp Type During GaussDB(DWS) Table",
"search_title":"",
"metedata":[
{
}
],
"title":"What Do I Do If Date Type Is Automatically Converted to the Timestamp Type During GaussDB(DWS) Table Creation?",
"githuburl":""
},
{
"uri":"dws_03_0089.html",
"node_id":"en-us_topic_0000001330488844.xml",
"product_code":"dws",
"code":"193",
"des":"Yes.For tables that are frequently added, deleted, or modified, you need to periodically perform VACUUM FULL and ANALYZEto reclaim the disk space occupied by updated or d",
"doc_type":"usermanual",
"kw":"Do I Need to Run VACUUM FULL and ANALYZE on Common Tables Periodically in GaussDB(DWS)?,Database Usa",
"search_title":"",
"metedata":[
{
}
],
"title":"Do I Need to Run VACUUM FULL and ANALYZE on Common Tables Periodically in GaussDB(DWS)?",
"githuburl":""
},
{
"uri":"dws_03_0078.html",
"node_id":"en-us_topic_0000001381808761.xml",
"product_code":"dws",
"code":"194",
"des":"You are advised to use the Data Studio graphical client to export table data. You can export data from:A specific tableAll tables in a schemaAll tables in a databaseFor d",
"doc_type":"usermanual",
"kw":"How Do I Export the Structure of a GaussDB(DWS) Table?,Database Usage,User Guide",
"search_title":"",
"metedata":[
{
}
],
"title":"How Do I Export the Structure of a GaussDB(DWS) Table?",
"githuburl":""
},
{
"uri":"dws_03_0088.html",
"node_id":"en-us_topic_0000001381609405.xml",
"product_code":"dws",
"code":"195",
"des":"Yes. TRUNCATE is more efficient than DELETE for deleting massive data.TRUNCATE quickly removes all rows from a table. It has the same effect as an unqualified DELETE but ",
"doc_type":"usermanual",
"kw":"How Do I Delete Table Data Efficiently in GaussDB(DWS)?,Database Usage,User Guide",
"search_title":"",
"metedata":[
{
}
],
"title":"How Do I Delete Table Data Efficiently in GaussDB(DWS)?",
"githuburl":""
},
{
"uri":"dws_03_2124.html",
"node_id":"en-us_topic_0000001381728589.xml",
"product_code":"dws",
"code":"196",
"des":"To query information about OBS/GDS foreign tables such as OBS paths, run the following statement:The following uses table traffic_data.GCJL_OBS as an example:",
"doc_type":"usermanual",
"kw":"How Do I View GaussDB(DWS) Foreign Table Information?,Database Usage,User Guide",
"search_title":"",
"metedata":[
{
}
],
"title":"How Do I View GaussDB(DWS) Foreign Table Information?",
"githuburl":""
},
{
"uri":"dws_03_2127.html",
"node_id":"en-us_topic_0000001381808765.xml",
"product_code":"dws",
"code":"197",
"des":"For clusters of 8.1.2 or later, you can use the GUC parameter default_distribution_mode to query and set the default table distribution mode.If no distribution column is ",
"doc_type":"usermanual",
"kw":"How Will Data Be Stored in a GaussDB(DWS) Table If No Distribution Column Is Specified During Its Cr",
"search_title":"",
"metedata":[
{
}
],
"title":"How Will Data Be Stored in a GaussDB(DWS) Table If No Distribution Column Is Specified During Its Creation?",
"githuburl":""
},
{
"uri":"dws_03_2102.html",
"node_id":"en-us_topic_0000001420693973.xml",
"product_code":"dws",
"code":"198",
"des":"When OUTER JOIN (LEFT JOIN, RIGHT JOIN, and FULL JOIN) is executed, the match failure in the outer join generates a large number of NULL values. You can replace these nul",
"doc_type":"usermanual",
"kw":"How Do I Replace the Null Results with 0 in a GaussDB(DWS) Join Query?,Database Usage,User Guide",
"search_title":"",
"metedata":[
{
}
],
"title":"How Do I Replace the Null Results with 0 in a GaussDB(DWS) Join Query?",
"githuburl":""
},
{
"uri":"dws_03_2100.html",
"node_id":"en-us_topic_0000001387203636.xml",
"product_code":"dws",
"code":"199",
"des":"The storage mode of a table is controlled by the ORIENTATION parameter in the table creation statement. row indicates row storage, and column indicates column storage.You",
"doc_type":"usermanual",
"kw":"How Do I Check Whether a GaussDB(DWS) Table Is Row-Stored or Column-Stored?,Database Usage,User Guid",
"search_title":"",
"metedata":[
{
}
],
"title":"How Do I Check Whether a GaussDB(DWS) Table Is Row-Stored or Column-Stored?",
"githuburl":""
},
{
"uri":"dws_03_2104.html",
"node_id":"en-us_topic_0000001407868030.xml",
"product_code":"dws",
"code":"200",
"des":"The following SQL statements are used to query common information about column-store tables:Create a column-store table named my_table, and insert data into the table.Run",
"doc_type":"usermanual",
"kw":"How Do I Query the Information About GaussDB(DWS) Column-Store Tables?,Database Usage,User Guide",
"search_title":"",
"metedata":[
{
}
],
"title":"How Do I Query the Information About GaussDB(DWS) Column-Store Tables?",
"githuburl":""
},
{
"uri":"dws_03_2105.html",
"node_id":"en-us_topic_0000001462378445.xml",
"product_code":"dws",
"code":"201",
"des":"Creating indexes for tables can improve database query performance. However, sometimes indexes cannot be used in a query plan. This section describes several common reaso",
"doc_type":"usermanual",
"kw":"Why Sometimes the GaussDB(DWS) Query Indexes Become Invalid?,Database Usage,User Guide",
"search_title":"",
"metedata":[
{
}
],
"title":"Why Sometimes the GaussDB(DWS) Query Indexes Become Invalid?",
"githuburl":""
},
{
"uri":"dws_03_2101.html",
"node_id":"en-us_topic_0000001390074640.xml",
"product_code":"dws",
"code":"202",
"des":"Currently, GaussDB(DWS) does not have a built-in CRC32() function. Instead, you can use the user-defined function of GaussDB(DWS) to rewrite the CRC32() function.CRC32(ex",
"doc_type":"usermanual",
"kw":"How Do I Use a User-Defined GaussDB(DWS) Function to Rewrite the CRC32() Function?,Database Usage,Us",
"search_title":"",
"metedata":[
{
}
],
"title":"How Do I Use a User-Defined GaussDB(DWS) Function to Rewrite the CRC32() Function?",
"githuburl":""
},
{
"uri":"dws_03_2106.html",
"node_id":"en-us_topic_0000001464363981.xml",
"product_code":"dws",
"code":"203",
"des":"When you query the schema list, the query result may contain schemas starting with pg_temp* or pg_toast_temp*, as shown in the following figure.These schemas are created ",
"doc_type":"usermanual",
"kw":"What Is a GaussDB(DWS) Schema Starting with pg_toast_temp* or pg_temp*?,Database Usage,User Guide",
"search_title":"",
"metedata":[
{
}
],
"title":"What Is a GaussDB(DWS) Schema Starting with pg_toast_temp* or pg_temp*?",
"githuburl":""
},
{
"uri":"dws_03_2107.html",
"node_id":"en-us_topic_0000001431826616.xml",
"product_code":"dws",
"code":"204",
"des":"In GaussDB(DWS), sometimes a SQL query may get different results. This problem is most likely caused by improper syntax or usage. To avoid this problem, use the syntax co",
"doc_type":"usermanual",
"kw":"Solutions to Inconsistent GaussDB(DWS) Query Results,Database Usage,User Guide",
"search_title":"",
"metedata":[
{
}
],
"title":"Solutions to Inconsistent GaussDB(DWS) Query Results",
"githuburl":""
},
{
"uri":"dws_03_2108.html",
"node_id":"en-us_topic_0000001510143269.xml",
"product_code":"dws",
"code":"205",
"des":"VACUUM FULL can be performed on all GaussDB(DWS) system catalogs. However, during the process, level 8 locks will be imposed on the system catalogs, and services involvin",
"doc_type":"usermanual",
"kw":"Which System Catalogs in GaussDB(DWS) Cannot Be Subjected to the VACUUM FULL Operation?,Database Usa",
"search_title":"",
"metedata":[
{
}
],
"title":"Which System Catalogs in GaussDB(DWS) Cannot Be Subjected to the VACUUM FULL Operation?",
"githuburl":""
},
{
"uri":"dws_03_2109.html",
"node_id":"en-us_topic_0000001527537805.xml",
"product_code":"dws",
"code":"206",
"des":"When user SQL information is queried in the PGXC_STAT_ACTIVITY view, the statecolumn in the query result sometimes shows idle in transaction. idle in transaction indicate",
"doc_type":"usermanual",
"kw":"In Which Scenarios Would a GaussDB(DWS) Statement Be \"idle in transaction\"?,Database Usage,User Guid",
"search_title":"",
"metedata":[
{
}
],
"title":"In Which Scenarios Would a GaussDB(DWS) Statement Be \"idle in transaction\"?",
"githuburl":""
},
{
"uri":"dws_03_2110.html",
"node_id":"en-us_topic_0000001490899666.xml",
"product_code":"dws",
"code":"207",
"des":"This section describes how to use SQL statements to convert rows to columns and convert columns to rows in GaussDB(DWS).Use a student score table as an example:Teachers r",
"doc_type":"usermanual",
"kw":"How Does GaussDB(DWS) Implement Row-to-Column and Column-to-Row Conversion?,Database Usage,User Guid",
"search_title":"",
"metedata":[
{
}
],
"title":"How Does GaussDB(DWS) Implement Row-to-Column and Column-to-Row Conversion?",
"githuburl":""
},
{
"uri":"dws_03_1002.html",
"node_id":"en-us_topic_0000001584706597.xml",
"product_code":"dws",
"code":"208",
"des":"The concepts of a unique constraint and a unique index are different.A unique constraint specifies that the values in a column or a group of columns are all unique. If DI",
"doc_type":"usermanual",
"kw":"What Are the Differences Between Unique Constraints and Unique Indexes in GaussDB(DWS)?,Database Usa",
"search_title":"",
"metedata":[
{
}
],
"title":"What Are the Differences Between Unique Constraints and Unique Indexes in GaussDB(DWS)?",
"githuburl":""
},
{
"uri":"dws_03_0002.html",
"node_id":"en-us_topic_0000001652434770.xml",
"product_code":"dws",
"code":"209",
"des":"Functions and stored procedures are two common objects in database management systems. They have similarities and differences in implementing specific functions. Understa",
"doc_type":"usermanual",
"kw":"What Are the Differences Between GaussDB(DWS) Functions and Stored Procedures?,Database Usage,User G",
"search_title":"",
"metedata":[
{
}
],
"title":"What Are the Differences Between GaussDB(DWS) Functions and Stored Procedures?",
"githuburl":""
},
{
"uri":"dws_03_1004.html",
"node_id":"en-us_topic_0000001828076805.xml",
"product_code":"dws",
"code":"210",
"des":"When clearing dirty data in the database, you may retain only one piece of duplicate data. In this scenario, you can use the aggregate function or window function.Constru",
"doc_type":"usermanual",
"kw":"How Do I Delete Duplicate Table Data in GaussDB(DWS)?,Database Usage,User Guide",
"search_title":"",
"metedata":[
{
}
],
"title":"How Do I Delete Duplicate Table Data in GaussDB(DWS)?",
"githuburl":""
},
{
"uri":"dws_03_0029.html",
"node_id":"en-us_topic_0000001381609381.xml",
"product_code":"dws",
"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":"Cluster Management",
"search_title":"",
"metedata":[
{
}
],
"title":"Cluster Management",
"githuburl":""
},
{
"uri":"dws_03_0033.html",
"node_id":"en-us_topic_0000001381889061.xml",
"product_code":"dws",
"code":"212",
"des":"After you delete data stored in GaussDB(DWS) data warehouses, dirty data may be generated possibly because the disk space is not released. This results in disk space wast",
"doc_type":"usermanual",
"kw":"How Can I Clear and Reclaim the Storage Space in GaussDB(DWS)?,Cluster Management,User Guide",
"search_title":"",
"metedata":[
{
}
],
"title":"How Can I Clear and Reclaim the Storage Space in GaussDB(DWS)?",
"githuburl":""
},
{
"uri":"dws_03_0054.html",
"node_id":"en-us_topic_0000001330808744.xml",
"product_code":"dws",
"code":"213",
"des":"If you do not run VACUUM to clear and reclaim the storage space before the scale-out, the data deleted from GaussDB(DWS) may not free up the occupied disk space.During th",
"doc_type":"usermanual",
"kw":"Why Did the Used Storage in GaussDB(DWS) Shrink After Scale-out?,Cluster Management,User Guide",
"search_title":"",
"metedata":[
{
}
],
"title":"Why Did the Used Storage in GaussDB(DWS) Shrink After Scale-out?",
"githuburl":""
},
{
"uri":"dws_03_0090.html",
"node_id":"en-us_topic_0000001330488824.xml",
"product_code":"dws",
"code":"214",
"des":"Total disk capacity of GaussDB(DWS): For a three-node cluster, if each node is 320 GB, the total capacity is 960 GB. When 1 GB data is stored, GaussDB(DWS) stores 1 GB da",
"doc_type":"usermanual",
"kw":"How Is the Disk Space or Capacity of GaussDB(DWS) Calculated?,Cluster Management,User Guide",
"search_title":"",
"metedata":[
{
}
],
"title":"How Is the Disk Space or Capacity of GaussDB(DWS) Calculated?",
"githuburl":""
},
{
"uri":"dws_03_2122.html",
"node_id":"en-us_topic_0000001381889065.xml",
"product_code":"dws",
"code":"215",
"des":"After connecting to a database, run the following SQL statement to check the maximum number of concurrent sessions globally:Go to the Cloud Eye console and set the thresh",
"doc_type":"usermanual",
"kw":"How Can I Set the Session Threshold for Cloud Eye When Adding an Alarm Rule on GaussDB(DWS)?,Cluster",
"search_title":"",
"metedata":[
{
}
],
"title":"How Can I Set the Session Threshold for Cloud Eye When Adding an Alarm Rule on GaussDB(DWS)?",
"githuburl":""
},
{
"uri":"dws_03_2140.html",
"node_id":"en-us_topic_0000001330648772.xml",
"product_code":"dws",
"code":"216",
"des":"Coordinator Node (CN) is an important component in GaussDB(DWS) that is most closely related to users. It provides external application interfaces, optimizes global execu",
"doc_type":"usermanual",
"kw":"When Should I Add CNs or Scale Out a Cluster in GaussDB(DWS)?,Cluster Management,User Guide",
"search_title":"",
"metedata":[
{
}
],
"title":"When Should I Add CNs or Scale Out a Cluster in GaussDB(DWS)?",
"githuburl":""
},
{
"uri":"dws_03_3416.html",
"node_id":"en-us_topic_0000001586042849.xml",
"product_code":"dws",
"code":"217",
"des":"Small-flavor many-node:If your data volume is small and you have requirement for node scaling, but you have limited budget, you can select a small-flavor many-node cluste",
"doc_type":"usermanual",
"kw":"How Do I Select Between Small-Scale Multi-Node and Large-Scale Three-Node Clusters with Equivalent C",
"search_title":"",
"metedata":[
{
}
],
"title":"How Do I Select Between Small-Scale Multi-Node and Large-Scale Three-Node Clusters with Equivalent CPU and Memory in GaussDB(DWS)?",
"githuburl":""
},
{
"uri":"dws_03_2142.html",
"node_id":"en-us_topic_0000001384775385.xml",
"product_code":"dws",
"code":"218",
"des":"The biggest difference between hot data storage and cold data storage lies in the storage media.Hot data is frequently queried or updated and has high requirements on acc",
"doc_type":"usermanual",
"kw":"What Are the Differences Between Hot Data Storage and Cold Data Storage in GaussDB(DWS)?,Cluster Man",
"search_title":"",
"metedata":[
{
}
],
"title":"What Are the Differences Between Hot Data Storage and Cold Data Storage in GaussDB(DWS)?",
"githuburl":""
},
{
"uri":"dws_03_2149.html",
"node_id":"en-us_topic_0000001808534565.xml",
"product_code":"dws",
"code":"219",
"des":"When a user performs a scale-in operation, the Scale In button is unavailable and the user cannot proceed to the next scale-in operation.The system verifies the cluster's",
"doc_type":"usermanual",
"kw":"What Should I Do If the Scale-In Button of GaussDB(DWS) Is Unavailable?,Cluster Management,User Guid",
"search_title":"",
"metedata":[
{
}
],
"title":"What Should I Do If the Scale-In Button of GaussDB(DWS) Is Unavailable?",
"githuburl":""
},
{
"uri":"dws_03_0110.html",
"node_id":"en-us_topic_0000001330488836.xml",
"product_code":"dws",
"code":"220",
"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 Permissions",
"search_title":"",
"metedata":[
{
}
],
"title":"Account Permissions",
"githuburl":""
},
{
"uri":"dws_03_0200.html",
"node_id":"en-us_topic_0000001427138953.xml",
"product_code":"dws",
"code":"221",
"des":"In GaussDB(DWS), you can isolate workloads through database and schema configurations. Their differences are as follows:Databases cannot communicate with each other and s",
"doc_type":"usermanual",
"kw":"How Does GaussDB(DWS) Implement Workload Isolation?,Account Permissions,User Guide",
"search_title":"",
"metedata":[
{
}
],
"title":"How Does GaussDB(DWS) Implement Workload Isolation?",
"githuburl":""
},
{
"uri":"dws_03_0092.html",
"node_id":"en-us_topic_0000001381728581.xml",
"product_code":"dws",
"code":"222",
"des":"To change the password of the database administrator dbadmin, log in to the console and choose More > Reset Password in cluster row.Resetting the password of user dbadmin",
"doc_type":"usermanual",
"kw":"How Do I Change the Password of a GaussDB(DWS) Database Account When the Password Expires?,Account P",
"search_title":"",
"metedata":[
{
}
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"title":"How Do I Change the Password of a GaussDB(DWS) Database Account When the Password Expires?",
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"uri":"dws_03_0197.html",
"node_id":"en-us_topic_0000001381808757.xml",
"product_code":"dws",
"code":"223",
"des":"This section describes how to grant users the SELECT, INSERT, UPDATE, or full permissions of tables to users.Assume there are users u1, u2, u3, u4, and u5 and five schema",
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"kw":"How Do I Grant Table Permissions to a Specified GaussDB(DWS) User?,Account Permissions,User Guide",
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"uri":"dws_03_0196.html",
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"code":"224",
"des":"This section explains how to give query permission for schema-level permissions. If you need other permissions, see \"How Do I Grant Table Permissions to a User?\" in FAQsP",
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"kw":"How Do I Grant the Permission of a Schema to a Specified GaussDB(DWS) User?,Account Permissions,User",
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"title":"How Do I Grant the Permission of a Schema to a Specified GaussDB(DWS) User?",
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{
"uri":"dws_03_0198.html",
"node_id":"en-us_topic_0000001361046776.xml",
"product_code":"dws",
"code":"225",
"des":"In service development, database administrators use schemas to classify data. For example, in the financial industry, liability data belong to schema s1, and asset data b",
"doc_type":"usermanual",
"kw":"How Do I Create a GaussDB(DWS) Database Read-Only User?,Account Permissions,User Guide",
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"metedata":[
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"title":"How Do I Create a GaussDB(DWS) Database Read-Only User?",
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{
"uri":"dws_03_0199.html",
"node_id":"en-us_topic_0000001411540041.xml",
"product_code":"dws",
"code":"226",
"des":"The system administrator dbadmin has the permission to access tables created by common users by default. When Separation of Permissions is enabled, the administrator dbad",
"doc_type":"usermanual",
"kw":"How Do I Create Private Users and Tables in a GaussDB(DWS) Database?,Account Permissions,User Guide",
"search_title":"",
"metedata":[
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"title":"How Do I Create Private Users and Tables in a GaussDB(DWS) Database?",
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{
"uri":"dws_03_0195.html",
"node_id":"en-us_topic_0000001330648784.xml",
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"code":"227",
"des":"In a service, the permission of user u1 to connect to a database needs to be revoked. After the REVOKE CONNECT ON DATABASE gaussdb FROM u1; command is executed successful",
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"kw":"How Do I Revoke the CONNECT ON DATABASE Permission of a User on GaussDB(DWS)?,Account Permissions,Us",
"search_title":"",
"metedata":[
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"title":"How Do I Revoke the CONNECT ON DATABASE Permission of a User on GaussDB(DWS)?",
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{
"uri":"dws_03_0201.html",
"node_id":"en-us_topic_0000001437886853.xml",
"product_code":"dws",
"code":"228",
"des":"Scenario 1: Run theinformation_schema.table_privilegescommand to view the table permissions of a user. Example:In the preceding figure, user u2 has all permissions of tab",
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"kw":"How Do I View the Table Permissions of a GaussDB(DWS) User?,Account Permissions,User Guide",
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"metedata":[
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"title":"How Do I View the Table Permissions of a GaussDB(DWS) User?",
"githuburl":""
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{
"uri":"dws_03_0202.html",
"node_id":"en-us_topic_0000001440152509.xml",
"product_code":"dws",
"code":"229",
"des":"When you run the SELECT * FROM pg_user statement to view users in the current system, you may see user Ruby many times, who has many permissions.User Ruby is an official ",
"doc_type":"usermanual",
"kw":"What Is the Ruby User in the GaussDB(DWS) Database?,Account Permissions,User Guide",
"search_title":"",
"metedata":[
{
}
],
"title":"What Is the Ruby User in the GaussDB(DWS) Database?",
"githuburl":""
},
{
"uri":"dws_03_0035.html",
"node_id":"en-us_topic_0000001330648792.xml",
"product_code":"dws",
"code":"230",
"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 Performance",
"search_title":"",
"metedata":[
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],
"title":"Database Performance",
"githuburl":""
},
{
"uri":"dws_03_0071.html",
"node_id":"en-us_topic_0000001330329176.xml",
"product_code":"dws",
"code":"231",
"des":"After a database is used for a period of time, the table data increases as services grow, or the table data is frequently added, deleted, or modified. As a result, bloati",
"doc_type":"usermanual",
"kw":"Why Is SQL Execution Slow After Long GaussDB(DWS) Usage?,Database Performance,User Guide",
"search_title":"",
"metedata":[
{
}
],
"title":"Why Is SQL Execution Slow After Long GaussDB(DWS) Usage?",
"githuburl":""
},
{
"uri":"dws_03_0036.html",
"node_id":"en-us_topic_0000001381609409.xml",
"product_code":"dws",
"code":"232",
"des":"Due to the MPP architecture limitation of GaussDB(DWS), a few PostgreSQL methods and functions cannot be pushed to DNs for execution. As a result, performance bottlenecks",
"doc_type":"usermanual",
"kw":"Why Does GaussDB(DWS) Perform Worse Than a Single-Server Database in Extreme Scenarios?,Database Per",
"search_title":"",
"metedata":[
{
}
],
"title":"Why Does GaussDB(DWS) Perform Worse Than a Single-Server Database in Extreme Scenarios?",
"githuburl":""
},
{
"uri":"dws_03_0100.html",
"node_id":"en-us_topic_0000001330488848.xml",
"product_code":"dws",
"code":"233",
"des":"You can use the top SQL feature to view SQL statements executed in a specified period. SQL statements of the current CN or all CNs can be viewed.Top SQL allows you to vie",
"doc_type":"usermanual",
"kw":"How Do I View SQL Execution Records of a Certain Period When GaussDB(DWS) Service Read and Write Are",
"search_title":"",
"metedata":[
{
}
],
"title":"How Do I View SQL Execution Records of a Certain Period When GaussDB(DWS) Service Read and Write Are Blocked?",
"githuburl":""
},
{
"uri":"dws_03_2111.html",
"node_id":"en-us_topic_0000001519381058.xml",
"product_code":"dws",
"code":"234",
"des":"In different service scenarios, system resources (CPU, memory, I/O, and storage resources) of the database are properly allocated to queries to ensure query performance, ",
"doc_type":"usermanual",
"kw":"GaussDB(DWS) CPU Resource Management,Database Performance,User Guide",
"search_title":"",
"metedata":[
{
}
],
"title":"GaussDB(DWS) CPU Resource Management",
"githuburl":""
},
{
"uri":"dws_03_2112.html",
"node_id":"en-us_topic_0000001533476366.xml",
"product_code":"dws",
"code":"235",
"des":"The execution speed of an ordinary user is slower than that of the dbadmin user in the following scenarios:Ordinary users are queuing: waiting in queue/waiting in global ",
"doc_type":"usermanual",
"kw":"Why Is the Execution of Common GaussDB(DWS) User Slower Than That of User dbadmin?,Database Performa",
"search_title":"",
"metedata":[
{
}
],
"title":"Why Is the Execution of Common GaussDB(DWS) User Slower Than That of User dbadmin?",
"githuburl":""
},
{
"uri":"dws_03_2114.html",
"node_id":"en-us_topic_0000001556121690.xml",
"product_code":"dws",
"code":"236",
"des":"GaussDB(DWS) uses the shared-nothing architecture, and data is stored in a distributed manner. Therefore, the distribution key, data volume, and number of partitions affe",
"doc_type":"usermanual",
"kw":"What Are the Factors Related to the Single-Table Query Performance in GaussDB(DWS)?,Database Perform",
"search_title":"",
"metedata":[
{
}
],
"title":"What Are the Factors Related to the Single-Table Query Performance in GaussDB(DWS)?",
"githuburl":""
},
{
"uri":"dws_03_2010.html",
"node_id":"en-us_topic_0000001330648796.xml",
"product_code":"dws",
"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":"Backup and Restoration",
"search_title":"",
"metedata":[
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}
],
"title":"Backup and Restoration",
"githuburl":""
},
{
"uri":"dws_03_0059.html",
"node_id":"en-us_topic_0000001330329180.xml",
"product_code":"dws",
"code":"238",
"des":"This happens when the data to be backed up is large. Automated snapshots are incremental backups, and the lower the frequency you set (for example, one week), the longer ",
"doc_type":"usermanual",
"kw":"Why Does It Take a Long Time to Create an Automated Snapshot in GaussDB(DWS)?,Backup and Restoration",
"search_title":"",
"metedata":[
{
}
],
"title":"Why Does It Take a Long Time to Create an Automated Snapshot in GaussDB(DWS)?",
"githuburl":""
},
{
"uri":"dws_03_2131.html",
"node_id":"en-us_topic_0000001381728601.xml",
"product_code":"dws",
"code":"239",
"des":"No.GaussDB(DWS) snapshots are used to restore all the configurations and service data of a cluster. EVS snapshots are used to restore the service data of a data disk or s",
"doc_type":"usermanual",
"kw":"Does a GaussDB(DWS) Snapshot Have the Same Function as an EVS Snapshot?,Backup and Restoration,User ",
"search_title":"",
"metedata":[
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}
],
"title":"Does a GaussDB(DWS) Snapshot Have the Same Function as an EVS Snapshot?",
"githuburl":""
},
{
"uri":"dws_01_0070.html",
"node_id":"en-us_topic_0000001951848477.xml",
"product_code":"dws",
"code":"240",
"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",
"search_title":"",
"metedata":[
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"prodname":"dws",
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],
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"githuburl":""
}
]