Updated on 2025-03-07 GMT+08:00

Modifying a Database User

Function

This API is used to change the username and password for a registered database user on DAS. This API does not change the username and password of the database user object on the DB instance. Ensure that the entered username and password are valid. Currently, only MySQL instances are supported.

URI

PUT /v3/{project_id}/instances/{instance_id}/db-users/{db_user_id}

Table 1 URI parameters

Parameter

Mandatory

Type

Description

project_id

Yes

String

Explanation:

Project ID of a tenant in a region

To obtain this value, see Obtaining a Project ID.

Constraints:

N/A

Values:

The value can contain 32 characters. Only letters and digits are allowed.

Default value:

N/A

instance_id

Yes

String

Explanation:

Unique ID of an instance

Constraints:

N/A

Values:

The value can contain 32 characters. Only letters and digits are allowed.

Default value:

N/A

db_user_id

Yes

String

Explanation:

Database user ID, that is, ID of a connection established between the database account and the database. A database user ID is created by calling the API in Registering a Database User.

Constraints:

N/A

Values:

The value is a UUID containing 36 characters. Only letters, digits, and hyphens (-) are allowed.

Default value:

N/A

Request Parameters

Table 2 Request body parameters

Parameter

Mandatory

Type

Description

db_username

Yes

String

Explanation:

Database username

Constraints:

N/A

Values:

N/A

Default value:

N/A

db_user_password

Yes

String

Explanation:

Database user password

Constraints:

N/A

Values:

N/A

Default value:

N/A

Response Parameters

Status code: 200

Table 3 Response body parameters

Parameter

Type

Description

result

String

Explanation:

Modification result. If the modification is successful, OK is returned.

Values:

OK

Example Request

Changing the database username to user

PUT https://das.cn-north-1.myhuaweicloud.com/v3/054e292c9880d4992f02c0196d3ea468/instances/da304cd5bbb944de828759bc7be3d3fein01/db-users/24c0c455-1f0e-448b-acb2-6e184b4ffcfa

{
  "db_username" : "user",
  "db_user_password" : "password"
}

Example Response

Status code: 200

Successful request

{
  "result" : "OK"
}

Status Codes

Status Code

Description

200

Successful request

400

Client error

500

Server error

Error Codes

See Error Codes.