oracle查询删除锁

//用dba权限查出被锁的用户以及进程

select t2.username,t2.sid,t2.serial#,t2.logon_time from v$locked_object t1,v$session t2
     where t1.session_id=t2.sid order by t2.logon_time;

//删除锁（sid，serial#）

alter system kill session '1718,65009';