--锁表查询SQLSELECT object_name, machine, s.sid, s.serial# FROM gv$locked_object l, dba_objects o, gv$session s WHERE l.object_id = o.object_id AND l.session_id = s.sid;
找到被锁定的表，解锁
--释放SESSION SQL: --alter system kill session ‘sid, serial#‘; ALTER system kill session ‘23, 1647‘;
