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

Modifying the Database Remarks of a Specified DB Instance

Function

This API is used to modify the database remarks 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:database:update

write

instance

g:EnterpriseProjectId

g:ResourceTag/<tag-key>

rds:database:create

-

Constraints

  • This operation cannot be performed when the DB instance is in any of the following statuses: creating, changing instance class, changing port, frozen, or abnormal.
  • This operation can be performed no matter whether the database exists.
    • The remarks will be updated or created when this operation is performed, depending on whether the remarks already exist.
    • The remarks will be deleted if its value is changed to an empty string or null.
    • If the database does not exist or is deleted when remarks are created, the remarks will still be saved.
  • This operation is supported only for specified kernel versions. If your kernel version does not meet the requirements, upgrade the kernel to the latest version by referring to Upgrading a Minor Version.
    • RDS for MySQL 5.6: 5.6.51.3 or later.
    • RDS for MySQL 5.7: 5.7.33.1 or later.
    • RDS for MySQL 8.0: 8.0.25.1 or later.
  • For any database and account created using methods other than the RDS console and APIs, if the database name and account name do not meet the database naming rules (see Table 2) and account naming rules (see Table 2), for example, containing Chinese characters or unsupported special characters, the database and account cannot be managed through the RDS console or APIs.
  • In migration scenarios, if any database name and account name of the source database do not meet the database naming rules (see Table 2) and account naming rules (see Table 2), the database and account cannot be managed through the RDS console or APIs after being migrated to the destination RDS for MySQL database.

URI

  • URI format

    POST /v3/{project_id}/instances/{instance_id}/database/update

  • 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

Request

Table 2 Parameter description

Parameter

Mandatory

Type

Description

name

Yes

String

Definition

Specifies the database name.

Constraints

N/A

Range

You can obtain the value of this parameter from name in Table 3 by calling the API for querying databases.

Default Value

N/A

comment

No

String

Definition

Specifies the new database remarks.

Constraints

N/A

Range

The value can contain 0 to 512 characters.

Default Value

N/A

Example Request

Modify the database remarks of a DB instance.

POST https://{endpoint}/v3/0483b6b16e954cb88930a360d2c4e663/instances/dsfae23fsfdsae3435in01/database/update

{
    "name": "rds",
    "comment": "this is a comment"
}

Response

  • Normal response
    Table 3 Parameters

    Parameter

    Type

    Description

    resp

    String

    Definition

    Calling result.

    Range

    Returns successful if the calling is successful.

Status Code

Error Code

For details, see Error Codes.