SQLServer2008 R2 清空数据库中ldf日志文件

USE [master]
ALTER DATABASE [DATABASE_NAME] 
SET RECOVERY SIMPLE WITH NO_WAIT
ALTER DATABASE [DATABASE_NAME] 
SET RECOVERY SIMPLE
GO
USE [DATABASE_NAME]
DECLARE @logname VARCHAR(150)
SELECT @logname = NAME
FROM   sys.database_files
WHERE  NAME LIKE'%log'
DBCC SHRINKFILE(@logname, 11, TRUNCATEONLY)
GO
USE [master]
ALTER DATABASE [DATABASE_NAME]
SET RECOVERY FULL WITH NO_WAIT
ALTER DATABASE [DATABASE_NAME] 
SET RECOVERY FULL
GO