Updated on 2025-10-24 GMT+08:00

Modifying a DB Instance Name

API Description

This API is used to modify a DB instance name.

Constraints

The name of the DB instance that is being created or fails to be created cannot be modified.

URI

  • URI format

    PUT /v3/{project_id}/instances/{instance_id}/modify-name

  • URI example

    https://dds.ap-southeast-1.myhuaweicloud.com/v3/0549b4a43100d4f32f51c01c2fe4acdb/instances/9136fd2a9fcd405ea4674276ce36dae8in02/modify-name

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

new_instance_name

String

Yes

Explanation:

New instance name. The instance name can be the same as an existing name.

Constraints:

The instance name must contain 4 to 64 characters and must start with a letter. It is case sensitive and can contain letters, digits, hyphens (-), and underscores (_). It cannot contain other special characters.

Value range:

N/A

Default value:

N/A

Example Requests

Changing an instance name to myNewName
{
    "new_instance_name": "myNewName"
}

Response Parameters

  • Example Responses
    {}

SDK

Click Document Database Service DDS SDK to download the SDK or view the SDK document. To learn how to install and authenticate an SDK, read the Usage section.

Status Code

For more information, see Status Code.

Error Code

For more information, see Error Code.