SQL Server 清空删除日志
sql 在使用中每次查询都会生成日志,但是如果你长久不去清理,可能整个硬都堆满哦,笔者就遇到这样的情况,直接网站后台都进不去了。下面我们一起来学习一下如何清理这个日志吧 SQL2005清空删除日志: 复制代码 代码如下: Backup Log DNName with no_log '
sql 在使用中每次查询都会生成日志,但是如果你长久不去清理,可能整个硬都堆满哦,笔者就遇到这样的情况,直接网站后台都进不去了。下面我们一起来学习一下如何清理这个日志吧
SQL2005清空删除日志:
复制代码 代码如下:
Backup Log DNName with no_log '这里的DNName是你要收缩的数据库名,自己注意修改下面的数据库名,我就不再注释了。
go
dump transaction DNName with no_log
go
USE DNName
DBCC SHRINKFILE (2)
Go
SQL2008清空删除日志:
'在SQL2008中清除日志就必须在简单模式下进行,等清除动作完毕再调回到完全模式。
复制代码 代码如下:
USE [master]
GO
ALTER DATABASE DNName SET RECOVERY SIMPLE WITH NO_WAIT
GO
ALTER DATABASE DNName SET RECOVERY SIMPLE --简单模式
GO
USE DNName
GO
DBCC SHRINKFILE (N'DNName_Log' , 11, TRUNCATEONLY)
GO
'这里的DNName_Log 如果不知道在sys.database_files里是什么名字的话,可以用以下注释的语句进行查询
'USE DNName
'GO
'SELECT file_id, nameFROM sys.database_files;
'GO
USE [master]
GO
ALTER DATABASE DNName SET RECOVERY FULL WITH NO_WAIT
GO
ALTER DATABASE DNName SET RECOVERY FULL --还原为完全模式
GO
sqlserver2000压缩日志
可以将jb51.ldf文件变得很小,方便备份数据库等,,在sqlserver查询分析器中执行即可。
复制代码 代码如下:
DUMP TRANSACTION [jb51] WITH NO_LOG
BACKUP LOG [jb51] WITH NO_LOG
DBCC SHRINKDATABASE()

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