[oracle] 재미있는 쿼리
1 RUN 1 RUN 1 RUN 2 WAIT 2 WAIT 3 RUN 4 WAIT 4 WAIT 5 CANCEL ... WITH t AS ( SELECT 1 seq, 'RUN' event FROM dual UNION ALL SELECT 2, 'RUN' FROM dual UNION ALL SELECT 3, 'RUN' FROM dual UNION ALL SELECT 4, 'WAIT' FROM dual UNION ALL SELECT 5, 'WAIT' FROM dual UNION ALL SELECT 6, 'RUN' FROM dual UNION ALL SELECT 7, 'WAIT' FROM dual UNION ALL SELECT 8, 'WAIT' FROM dual UNION ALL SELECT 9, 'CANCEL' ..