http://www.itpub.net/613605.html
問題沒有确定，先記錄下來：
SELECT /*+ ORDERED */
a.ready
FROM user_queues b, gv$aq a
WHERE b.NAME = 'MGMT_NOTIFY_Q' AND a.qid = b.qid
http://www.itpub.net/613605.html
問題沒有确定，先記錄下來：
SELECT /*+ ORDERED */
a.ready
FROM user_queues b, gv$aq a
WHERE b.NAME = 'MGMT_NOTIFY_Q' AND a.qid = b.qid
![oracle中的start with connect by用法[圖]](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACwAAAAAAQABAAACAkQBADs=)