sql server 2008 清除日志

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

来自：http://www.cnblogs.com/TerryFeng/archive/2011/01/14/1935578.html