查看消耗资源最多的SQL-holiwinner
SELECT *FROM (SELECT sqlarea.sql_text,
dba_users.username,
sqlarea.sql_id,
SUM (active_session_history.wait_time + active_session_history.time_waited)
total_wait_time
FROM v$active_session_history active_session_history, v$sqlarea sqlarea, dba_users
WHERE active_session_history.sample_time BETWEEN SYSDATE - 60 / 2880 AND SYSDATE
AND active_session_history.sql_id = sqlarea.sql_id
AND active_session_history.user_id = dba_users.user_id
GROUP BY active_session_history.user_id,
sqlarea.sql_text,
sqlarea.sql_id,
dba_users.username
ORDER BY 4 DESC) x
WHERE ROWNUM
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