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 contains 1 to 63 characters, including letters, digits, and underscores (_). It cannot start with pg or a digit and must be different from system usernames. System users include rdsAdmin, rdsMetric, rdsBackup, rdsRepl, rdsProxy, and rdsDdm.
  password	Yes	String	Specifies the password of the database account. The value cannot be empty and contains 8 to 32 characters. It consists of at least three types of the following: uppercase letters, lowercase letters, digits, and 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.