Transitioning a Microsoft SQL Server database from OFFLINE to ONLINE - Amazon Relational Database Service
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Transitioning a Microsoft SQL Server database from OFFLINE to ONLINE

You can transition your Microsoft SQL Server database on an Amazon RDS DB instance from OFFLINE to ONLINE.

SQL Server method

Amazon RDS method

ALTER DATABASE db_name SET ONLINE;

EXEC rdsadmin.dbo.rds_set_database_online db_name