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"ASH"의 두 판 사이의 차이

DB CAFE

16번째 줄: 16번째 줄:
 
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2018년 11월 1일 (목) 08:27 판

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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

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