Updated on 2026-02-04 GMT+08:00

Querying Database Users

Function

This API is used to query database users of a specified DB instance.

Authorization Information

Each account has all the permissions required to call all APIs, but IAM users must be assigned the required permissions.
  • If you are using role/policy-based authorization, see Permissions and Supported Actions for details on the required permissions.
  • If you are using identity policy-based authorization, the following identity policy-based permissions are required.

Action

Access Level

Resource Type (*: required)

Condition Key

Alias

Dependencies

rds:databaseUser:list

list

instance

g:EnterpriseProjectId

g:ResourceTag/<tag-key>

-

-

Constraints

  • This operation cannot be performed when the DB instance is in the abnormal or frozen state.
  • The database user list of read replicas cannot be queried.

URI

  • URI format

    GET /v3/{project_id}/instances/{instance_id}/db_user/detail?page={page}&limit={limit}

  • Parameter description
    Table 1 Parameters

    Parameter

    Mandatory

    Description

    project_id

    Yes

    Definition

    Project ID of a tenant in a region.

    Constraints

    The value cannot be empty.

    Range

    To obtain the value, see Obtaining a Project ID.

    Default Value

    N/A

    instance_id

    Yes

    Definition

    Instance ID.

    Constraints

    The value cannot be empty.

    Range

    You can obtain the value of this parameter from id in Table 4 by calling the API for querying DB instances.

    Default Value

    N/A

    page

    Yes

    Definition

    Page number. The value starts from 1.

    Constraints

    N/A

    Range

    N/A

    Default Value

    N/A

    limit

    Yes

    Definition

    Number of records on each page.

    Constraints

    N/A

    Range

    [1, 100]

    Default Value

    N/A

Request

  • Request parameters

    None

  • URI example

    GET https://{endpoint}/v3/0483b6b16e954cb88930a360d2c4e663/instances/dsfae23fsfdsae3435in01/db_user/detail?page=1&limit=10

Response

  • Normal response
    Table 2 Parameters

    Parameter

    Type

    Description

    users

    Array of objects

    Definition

    Database account information.

    For details, see Table 3.

    total_count

    Integer

    Definition

    Total number of database accounts.

    Range

    N/A

    Table 3 users element structure description

    Parameter

    Type

    Description

    name

    String

    Definition

    Account name.

    Range

    N/A

    comment

    String

    Definition

    Account remarks. This parameter is only available to RDS for MySQL 8.0.25 and later versions.

    Range

    N/A

    databases

    Array of objects

    Definition

    Databases authorized to the account.

    For details, see Table 4.

    hosts

    Array of strings

    Definition

    Hosts configured for the account.

    Range

    • If the IP address is set to %, all IP addresses are allowed to access your instance.
    • If the IP address is set to 10.10.10.%, all IP addresses in the subnet 10.10.10.X are allowed to access your instance.
    • Multiple IP addresses can be added.
    Table 4 databases element structure description

    Parameter

    Type

    Description

    name

    String

    Definition

    Database name.

    Range

    N/A

    readonly

    Boolean

    Definition

    Whether the permission is read-only.

    Range

    • true: read-only
    • false: read/write
  • Example normal response
    {
        "users": [
            {
                "name": "aaa",
                "comment": "user comment",
                "databases": [
                    {
                        "name": "db1",
                        "readonly": false
                    }
                ],
                "hosts": [
                    "10.%"
                ]
            }
        ],
        "total_count": 1
    }

Status Code

Error Code

For details, see Error Codes.