:original_name: gaussdb_02_0000.html

.. _gaussdb_02_0000:

API Overview
============

With GaussDB(for MySQL) APIs, you can query, set, and modify resource quotas.

+-----------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Type                              | Description                                                                                                                                                                                                        |
+===================================+====================================================================================================================================================================================================================+
| DB engine version query           | Query the DB version information of a specified DB engine.                                                                                                                                                         |
+-----------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| DB specifications query           | Query the DB specifications of a specified DB engine version.                                                                                                                                                      |
+-----------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| DB instance management            | Create instances, query instance lists, query instance details, delete instances, create read replicas, delete read replicas, change instance names, reset database passwords, and change instance specifications. |
+-----------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Backup management                 | Create manual backups, query backup lists, query automated backup policies, and modify automated backup policies.                                                                                                  |
+-----------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Parameter template management     | Query parameter templates.                                                                                                                                                                                         |
+-----------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Quota management                  | Query, set, and modify resource quotas.                                                                                                                                                                            |
+-----------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Database proxy                    | Query database proxy information and specifications, and enable or disable database proxy.                                                                                                                         |
+-----------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Log management                    | Obtain log information, including database error logs and slow logs.                                                                                                                                               |
+-----------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Tag management                    | Manage tags, including adding tags in batches, deleting tags in batches, and querying project tags.                                                                                                                |
+-----------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| SQL statement concurrency control | Query, configure and delete concurrency control rules of SQL statements.                                                                                                                                           |
+-----------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| Task center                       | Obtain task information about the task center.                                                                                                                                                                     |
+-----------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+