1.查询时间段内执行的sql、Produce select * from v$sqlarea a where 1=1 and a.LAST_ACTIVE_TIME >= to_date( '2013-02-21 18:23:00','yyyy-MM-dd HH24:mi:ss') and a.LAST_ACTIVE_TIME < to_date( '2013-02-21 18:24:00','yyyy-MM-dd HH24:mi:ss') --and a.LAST_ACTIVE_TIME < to_date('2012-