ASH
DB CAFE
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- DBA { Oracle DBA 명령어 > DBA 초급 과정 > DBA 고급 과정 }
- 튜닝 { 오라클 튜닝 목록 }
- 모델링 { 데이터 모델링 가이드 }
ACTIVE SESSION HISTORY TOP 10[편집]
select * from ( select SQL_ID , sum(decode(session_state,'ON CPU',1,0)) as CPU, sum(decode(session_state,'WAITING',1,0)) - sum(decode(session_state,'WAITING', decode(wait_class, 'User I/O',1,0),0)) as WAIT, sum(decode(session_state,'WAITING', decode(wait_class, 'User I/O',1,0),0)) as IO, sum(decode(session_state,'ON CPU',1,1)) as TOTAL from v$active_session_history where SQL_ID is not NULL group by sql_id order by sum(decode(session_state,'ON CPU',1,1)) desc ) where rownum <11