oracle记录被另一个用户锁住

--查询锁住
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; 
--杀死进程
alter system kill session 'sid,serial#'