Creating a Database Account

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.

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.
If you want to call this API repeatedly to create database accounts for your DB instance, call it in serial.

URI

URI format
POST /v3/{project_id}/instances/{instance_id}/db_user

Parameter description

**Table 1** Parameter description
Name	Mandatory	Description
project_id	Yes	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

**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 must be 8 to 32 characters long and contain at least three types of the following characters: uppercase letters, lowercase letters, digits, and special characters (~!@#%^*-_=+?,). The value cannot contain the username or the username spelled backwards. You are advised to enter a strong password to improve security, preventing security risks such as brute force cracking.

Example Request

Creating a database account named rds

POST https://{endpoint}/v3/0483b6b16e954cb88930a360d2c4e663/instances/f569f1358436479dbcba8603c32cc4aein03/db_user

{
    "name": "rds",
    "password": "****"
}