Relational Database ServiceRelational Database Service

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Updated at: Apr 02, 2022 GMT+08:00

Changing Custom Database Names

Scenarios

You can use a stored procedure to change a custom database name.

Prerequisites

  • An RDS Microsoft SQL Server DB instance has been connected. For details about how to connect to a DB instance, see Connecting to a DB Instance.
  • For primary/standby DB instances, you need to run the following command to remove database mirroring between them:

    alter database [dbname] set partner off

  • After the primary database name is changed, the system will automatically establish mirroring relationship.

    If you do not remove database mirroring for primary/standby DB instances and attempt to change the primary database name, the system displays the following information:

    Database database name is on mirroring_state.
  • For a DB instance whose DB engine version is 2017 Enterprise Edition, if the database to be renamed is added to the [AG-RDS-YUN] availability group, you must remove the database from the availability group before renaming it. For details, see Removing a Custom Database from an Availability Group.

Constraints

  • System database names cannot be changed. If you attempt to change the name of a system database, the system displays the following information:
    Error DBName_Source or DBName_Target. Please can not include in ('msdb','master','model','tempdb','rdsadmin','resource') .
  • The new database name must be unique. If the new database name already exists, the system displays the following information:
    Database database name already exists. Cannot rename database with the same name.

Procedure

Run the following command to change a custom database name:

exec msdb.dbo.rds_rename_database N'oldname',N'newname';

  • oldname indicates the original database name.
  • newname indicates the new database name.

For example, to change a database name from ABC to XYZ, run the following command:

exec msdb.dbo.rds_rename_database N'ABC',N'XYZ';

If the database name is changed, the system displays the following information:
The database name 'XYZ' has been set.

After the database name is changed, the system will automatically perform a full backup.

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