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把这个查询结果给出来看看,可适当修改 order by 条件顺序
select * from
(select name,gets,misses,sleeps,IMMEDIATE_GETS ,IMMEDIATE_MISSES
from v$latch
order by sleeps desc ,misses desc ,IMMEDIATE_MISSES desc ,IMMEDIATE_GETS desc ,gets desc )
where rownum < 21;
select * from
(select
EVENT,
TOTAL_WAITS ,
TOTAL_TIMEOUTS ,
TIME_WAITED ,
AVERAGE_WAIT
from v$system_event
order by TIME_WAITED desc )
where rownum < 21;
select * from v$waitstat;
select * from
(select sid, event ,p1,p2,p3 ,WAIT_TIME, SECONDS_IN_WAIT
from v$session_wait
where SID = &THE_SID
order by wait_time desc )
where rownum < 21; |
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