SQLSERVER 2012 收缩日志

select log_reuse_wait_desc from sys.databases where name='tfs_CARDLANWEB'

backup log tfs_CARDLANWEB to disk='D:dbbackup2014-08-24-2.log'

GO

DBCC SHRINKFILE (N'tfs_CARDLANWEB_log' , 1024, TRUNCATEONLY)

GO

--提示错误就重复操作

SELECT name ,size/128.0 - CAST(FILEPROPERTY(name, 'SpaceUsed') AS int)/128.0 AS AvailableSpaceInMB FROM sys.database_files;

SELECT * FROM sys.database_files

DBCC SQLPERF(LOGSPACE)

select log_reuse_wait_desc from sys.databases where name='MES_Central'

ALTER DATABASE MES_Central
SET RECOVERY SIMPLE; 
DBCC SHRINKFILE (MES_Central_log, 1);  --压缩日志文件为1Mb GO 
ALTER DATABASE MES_Central
SET RECOVERY FULL;  --恢复为原模式   GO