SQL Server之批量清理数据库的死锁

DECLARE killspid
 CURSOR  FOR (SELECT  CONVERT(VARCHAR(100), request_session_id)  FROM  sys.dm_tran_locks   WHERE   resource_type='OBJECT'  )
OPEN killspid
DECLARE @sql varchar(1000)
DECLARE @spid varchar(36)
FETCH NEXT FROM killspid INTO @spid
WHILE @@FETCH_STATUS=0
BEGIN
set @sql='kill '+cast(@spid  as varchar)
exec(@sql)
FETCH NEXT FROM killspid INTO @spid
END
CLOSE killspid
DEALLOCATE killspid
GO