Oracle 查询及释放被锁的表

 1.查询被锁的表：

SELECT 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; 

 
2.释放被锁的表：

alter system kill session 'sid, serial#'; 
eg:alter system kill session '23, 1647';