SQL2008日志文件过大,清除方法

USE [master]
GO
ALTER DATABASE TradeOrder SET RECOVERY SIMPLE WITH NO_WAIT
GO
ALTER DATABASE TradeOrder SET RECOVERY SIMPLE   --简单模式
GO
USE TradeOrder
GO
DBCC SHRINKFILE (N'TradeOrder_Log' , 11, TRUNCATEONLY)
GO
USE [master]
GO
ALTER DATABASE TradeOrder SET RECOVERY FULL WITH NO_WAIT
GO
ALTER DATABASE TradeOrder SET RECOVERY FULL  --还原为完全模式