摘要：
1. 监控事例的等待 select event,sum(decode(wait_Time,0,0,1)) "Prev", sum(decode(wait_Time,0,1,0)) "Curr",count(*) "Tot" from v$session_Wait group by event order by 4; 2. 回滚段的争用情况 select name, waits, gets, wai... 阅读全文
posted @ 2010-06-30 10:35 小小飞鹰 阅读(192) 评论(0) 推荐(0) 编辑