sql语句给数据库减肥，下面以网狐6603数据库减肥脚本

网狐6603 专用数据库减肥特效脚本(18G变成300M)如下：

将脚本语句复制到sql server 新建查询中，执行即可，可以清楚冗余的日志

/*
* 数据库超级减肥, 18G可变成300M.

*/

-- Truncate the log by changing the database recovery model to SIMPLE.
use qptreasuredb
ALTER DATABASE qptreasuredb
SET RECOVERY SIMPLE
GO
-- Shrink the truncated log file to 1 MB. 收缩日志文件大小(单位是M)
DBCC SHRINKFILE (qptreasuredb_log, 1)
GO
-- Reset the database recovery model.
ALTER DATABASE qptreasuredb
SET RECOVERY FULL

use qprecorddb
ALTER DATABASE qprecorddb
SET RECOVERY SIMPLE
GO
-- Shrink the truncated log file to 1 MB.
DBCC SHRINKFILE (qprecorddb_log, 1)
GO
-- Reset the database recovery model.
ALTER DATABASE qprecorddb
SET RECOVERY FULL

use qpaccountsdb
ALTER DATABASE qpaccountsdb
SET RECOVERY SIMPLE
GO
-- Shrink the truncated log file to 1 MB.
DBCC SHRINKFILE (qpaccountsdb_log, 1)
GO
-- Reset the database recovery model.
ALTER DATABASE qpaccountsdb
SET RECOVERY FULL
GO

use QPEducateDB
ALTER DATABASE QPEducateDB
SET RECOVERY SIMPLE
GO
-- Shrink the truncated log file to 1 MB.
DBCC SHRINKFILE (QPEducateDB_log, 1)
GO
-- Reset the database recovery model.
ALTER DATABASE QPEducateDB
SET RECOVERY FULL
go
select * from sys.database_files --查找数据库log文件逻辑名

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