如何得到执行最耗时的前N条T-SQL语句--【叶子】

--得到最耗时的前N条T-SQL语句 --适用于SQL SERVER 2005及其以上版本 --给N赋初值为30 declare @n int set @n=30 ;with maco as ( select top (@n) plan_handle, sum(total_worker_time) as total_worker_time , sum(execution_count) as execution_count , count(1) as sql_count from sys.dm_exec_query_stats group by plan_handle order by sum(total_worker_time) desc ) select t.text , a.total_worker_time , a.execution_count , a.sql_count from maco a cross apply sys.dm_exec_sql_text(plan_handle) t /* 结果格式如下 text total_worker_time execution_count sql_count -------- ------------------ ----------------- --------- 内容略 */