oracle查看锁表和删除锁

--查看锁
SELECT /*+ rule */
 lpad(' ', decode(l.xidusn, 0, 3, 0)) || l.oracle_username User_name,
 o.owner,
 o.object_name,
 o.object_type,
 s.sid,
 s.serial#
  FROM v$locked_object l, dba_objects o, v$session s
 WHERE l.object_id = o.object_id
   AND l.session_id = s.sid
 ORDER BY o.object_id, xidusn DESC;
--alter system kill session 'sid,serial#';
--把锁给KILL掉
alter system kill session '1962,50846';