GO
ALTER DATABASE [数据库名] SET RECOVERY SIMPLE
GO
USE [数据库名]
GO
DBCC SHRINKFILE (N‘[数据库日志文件名称]‘ , 0,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
GO
USE [数据库名]
GO
SELECT name FROM SYS.database_files WHERE type_desc=‘LOG‘
08R2通过，其他版本未测试
SQL Server 2008 R2 下如何清理数据库日志文件
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