查询 某个时间段内比较耗时 的SQL

SELECT TOP 1000        ST.text AS '执行的SQL语句',       QS.execution_count AS '执行次数',       QS.total_elapsed_time/1000 AS '耗时',--ms       QS.last_worker_time AS '12',       QS.total_logical_reads AS '逻辑读取次数',       QS.total_logical_writes AS '逻辑写入次数',       QS.total_physical_reads AS '物理读取次数',              QS.creation_time AS '执行时间' ,         QS.*FROM   sys.dm_exec_query_stats QS       CROSS APPLY sys.dm_exec_sql_text(QS.sql_handle) STWHERE  QS.creation_time BETWEEN '2017-05-08 12:50:00' AND '2017-05-09 17:10:00' ORDER BY  QS.total_elapsed_time DESC