mssql 日志清除 sql语句
日志清除
set nocount on declare @logicalfilename sysname, @maxminutes int, @newsize int use tablename -- 要操作的名 select @logicalfilename = 'tablename_log', -- 日志文件名 @maxminutes = 10, -- limit on time allowed to wrap log. @newsize = 1 -- 你想设定的日志文件的大小(m) setup / initialize declare @originalsize int select @originalsize = size from sysfiles where name = @logicalfilename select 'original size of ' + db_name() + ' log is ' + convert(varchar(30),@originalsize) + ' 8k pages or ' + convert(varchar(30),(@originalsize*8/1024)) + 'mb' from sysfiles where name = @logicalfilename create table dummytrans (dummycolumn char (8000) not null) declare @counter int, @starttime datetime, @trunclog varchar(255) select @starttime = getdate(), @trunclog = 'backup log ' + db_name() + ' with truncate_only' dbcc shrinkfile (@logicalfilename, @newsize) exec (@trunclog) -- wrap the log if necessary. while @maxminutes > datediff (mi, @starttime, getdate()) -- time has not expired and @originalsize = (select size from sysfiles where name = @logicalfilename) and (@originalsize * 8 /1024) > @newsize begin -- outer loop. select @counter = 0 while ((@counter
set nocount off
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