Oracle监控的关键指标有哪些？

一、监控事例的等待sql 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;      二、回滚段的争用状况数据库 se

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