Oracle 查看锁定表用户的SQL

#描述：当执行如下SQL 

select * From XXX  for Updata

发现表“XXX”被锁定

#只需要执行如下SQL 查看锁定该表的用户

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; 

#效果图如下