sql server 2012 减小日志

USE [master]
GO
ALTER DATABASE 数据库名 SET RECOVERY SIMPLE WITH NO_WAIT
GO
ALTER DATABASE 数据库名 SET RECOVERY SIMPLE --简单模式
GO
USE 数据库名
go
declare @name varchar(100)

select top 1 @name = name from sysfiles where status = 1048642

DBCC SHRINKFILE (@name , 11, TRUNCATEONLY)
GO
USE [master]
GO

ALTER DATABASE 数据库名  SET RECOVERY FULL WITH NO_WAIT

GO

ALTER DATABASE 数据库名 SET RECOVERY FULL --还原为彻底模式

GO