List Database Session Waits
-- -- Show all database session waits. -- SET PAUSE on SET PAUSE 'Press Return to Continue' SET LINESIZE 300 SET PAGESIZE 60 COLUMN username FORMAT A20 COLUMN event FORMAT A25 COLUMN wait_class FORMAT A20 SELECT NVL(s.username, '(oracle)') AS username, s.sid, s.serial#, sw.event, sw.wait_class, sw.wait_time, sw.seconds_in_wait, sw.state FROM v$session_wait sw, v$session s WHERE s.sid = sw.sid ORDER BY sw.seconds_in_wait DESC /
