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, wa... 阅读全文
posted @ 2009-10-22 15:03
遇到未来的自己
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