USE [master]

GO

ALTER DATABASE DBNAME SET RECOVERY SIMPLE WITH NO_WAIT

GO

ALTER DATABASE DBNAME SET RECOVERY SIMPLE --简单模式

GO

USE DBNAME

GO

DBCC SHRINKFILE (N'DBNAME_log' , 11, TRUNCATEONLY)

GO

USE [master]

GO

ALTER DATABASE DBNAME SET RECOVERY FULL WITH NO_WAIT

GO

ALTER DATABASE DBNAME SET RECOVERY FULL --还原为完全模式

GO