DECLARE @name VARCHAR(25)
DECLARE @SQL VARCHAR(1000)
DECLARE @logid INT

DECLARE sysdatabase_name CURSOR FOR SELECT name FROM master.dbo.sysdatabases

OPEN sysdatabase_name


FETCH NEXT FROM sysdatabase_name INTO @name

WHILE @@FETCH_STATUS = 0
BEGIN

IF ( @name NOT IN ('xxx')) --不需要進行日志收縮的數據庫名
BEGIN
SET @SQL =' DECLARE @logid INT
USE ' + @name+'
SELECT @logid = fileid FROM sysfiles WHERE RIGHT(rtrim(filename),3) = ''ldf''

BACKUP LOG ' + @name+' WITH NO_LOG
DBCC SHRINKFILE (@logid) '

EXEC(@SQL)

END

FETCH NEXT FROM sysdatabase_name INTO @name

END

CLOSE sysdatabase_name
DEALLOCATE sysdatabase_name

-->Title:生成測試數據
-->Author:wufeng4552
-->Date :2009-09-15 08:56:03
declare @dbname nvarchar(20) --數據庫名稱
declare @sql nvarchar(max)
declare sysdbname cursor for select name from master.dbo.sysdatabases
open sysdbname
fetch next from sysdbname into @dbname
while @@fetch_status=0
begin
if (@dbname not in('xxx'))--不需要進行日志收縮的數據庫名
begin
set @sql=--日誌文件ID
N' declare @logid int '+
N' use '+@dbname+
N' select @logid=fileid from sysfiles where right(ltrim(rtrim(filename)),3)=''ldf'''+
--截斷事務日志
N' backup log '+@dbname+' with no_log '+
--收縮指定數據文件
N' dbcc shrinkfile(@logid)'
exec(@sql)
end
fetch next from sysdbname into @dbname
end
close sysdbname
deallocate sysdbname