ApsaraDB RDS lets you back up individual databases within an instance, rather than backing up the entire instance.
The procedure differs by database engine:
Back up a single database in ApsaraDB RDS for SQL Server
Follow the Manual backup steps in Back up an ApsaraDB RDS for SQL Server instance.
Back up a single database in ApsaraDB RDS for MySQL
Follow the Manual backup steps in Enable the automatic backup feature for an ApsaraDB RDS for MySQL instance.
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