You can change the name of a primary DB instance or read replica.
in the upper left corner and select a region and a project.
next to it to edit the DB instance name. Then, click OK.Alternatively, click the target DB instance to go to the Basic Information page. In the DB Instance Name field in the DB Information area, click
to edit the DB instance name.
The DB instance name must start with a letter and consist of 4 to 64 characters. Only uppercase letters, lowercase letters, digits, hyphens (-), and underscores (_) are allowed.
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