MSSQL SERVER收缩日志文件

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' , 8, 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