Function

This API is used to create a database account for a specified DB instance.

• Before calling an API, you need to understand the API in Authentication.
• Before calling this API, obtain the required region and endpoint.

Constraints

Databases cannot be created when the DB instance is in any of the following statuses: creating, changing instance class, changing port, frozen, or abnormal.

URI

• URI format

  POST https://{Endpoint}/v3/{project_id}/instances/{instance_id}/db_user

• Example

  https://rds.cn-north-1.myhuaweicloud.com/v3/0483b6b16e954cb88930a360d2c4e663/instances/dsfae23fsfdsae3435in01/db_user

• Parameter description

  Table 1 Parameter description

  Name	Mandatory	Description
  project_id	Yes	Specifies the project ID of a tenant in a region. For details about how to obtain the project ID, see Obtaining a Project ID.
  instance_id	Yes	Specifies the DB instance ID.

Request

• Parameter description

  Table 2 Parameter description

  Name	Mandatory	Type	Description
  name	Yes	String	Specifies the username of the database account. The username consists of 1 to 32 characters. Only lowercase letters, digits, hyphens (-), and underscores (_) are allowed. If the database version is MySQL 5.6, the username consists of 1 to 16 characters. If the database version is MySQL 5.7 or 8.0, the username consists of 1 to 32 characters.
  password	Yes	String	Specifies the password of the database account. Valid value: The value cannot be empty and must be 8-32 characters. It can contain only uppercase letters, lowercase letters, digits, and the special characters (~!@#%^*-_=+?). The value cannot be the same as the name value or the name value in reverse order. You are advised to enter a strong password to improve security, preventing security risks such as brute force cracking.

• Request example

  {
      "name": "rds",
      "password": "Test@12345678"
  }

Response

• Normal response

  Table 3 Parameter description

  Name	Type	Description
  resp	String	Returns successful if the invoking is successful.

• Example normal response

  {
      "resp": "successful"
  }

• Abnormal response

  For details, see Abnormal Request Results.

Status Code

For details, see Status Codes.

Error Code

For details, see Error Codes.