Help Center/ Document Database Service/ API Reference/ APIs V3.0 (Recommended)/ Managing Databases and Users/ Changing the Password of a Database User
Updated on 2025-10-24 GMT+08:00
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Changing the Password of a Database User

Description

This API is used to change the password of a database user

Constraints

This operation cannot be performed on frozen or abnormal instances.

URI

  • URI format

    PUT /v3/{project_id}/instances/{instance_id}/reset-password

  • URI example

    https://dds.ap-southeast-1.myhuaweicloud.com/v3/0549b4a43100d4f32f51c01c2fe4acdb/instances/cc6345c64cec47499182467ea0dd432ain02/reset-password

Table 1 Path parameters

Name

Mandatory

Type

IN

Description

project_id

Yes

string

path

Explanation:

Project ID of a tenant in a region. To obtain the project ID, see Obtaining a Project ID.

Constraints:

N/A

Value range:

N/A

Default value:

N/A

instance_id

Yes

string

path

Explanation:

Instance ID, which can be obtained by calling the API described in Querying Instances and Details. If you do not have an instance, call the API described in Creating a DB Instance to create one.

Constraints:

N/A

Value range:

N/A

Default value:

N/A

Request Parameters

Table 2 Request header parameters

Name

Mandatory

Type

IN

Description

X-Auth-Token

Yes

string

header

Definition

User token obtained from IAM. For details, see Authentication.

Constraints

N/A

Range

N/A

Default Value

N/A
Table 3 Parameter description

Name

Type

Mandatory

Description

user_name

String

No

The database username.

  • The default value is rwuser. Users sharduser and csuser are also supported.
  • The value must be 1 to 64 characters in length and can contain only letters (from A to Z or from a to z), digits (from 0 to 9), hyphens (-), underscores (_), and periods (.).

user_pwd

String

Yes

The database password.

  • The value must be 8 to 32 characters in length and contain uppercase letters (A to Z), lowercase letters (a to z), digits (0 to 9), and special characters, such as ~!@#%^*-_=+?
  • Enter a strong password to improve security, preventing security risks such as brute force cracking.

db_name

String

No

The database name. The default value is admin.

Example Requests

Changing the password of a database user 
{
"user_name": "rwuser",
"user_pwd": "******"
}

Response Parameters

  • Example Responses 
    {}

Status Code

For more information, see Status Code.

Error Code

For more information, see Error Code.