sql server 压缩日志文件

USE [master]
GO
ALTER DATABASE TestDB SET RECOVERY SIMPLE WITH NO_WAIT
GO
ALTER DATABASE TestDB SET RECOVERY SIMPLE --简单模式
GO
--select * from sys.database_files
USE [TestDB]
GO
DBCC SHRINKFILE (N‘TestDB_log‘ , 1, TRUNCATEONLY) 
GO

USE [master]
GO
ALTER DATABASE TestDB SET RECOVERY FULL WITH NO_WAIT
GO
ALTER DATABASE TestDB SET RECOVERY FULL --还原为完全模式
GO