oracle 记录被别的用户锁住

找出数据库的serial#,以备杀死：

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;

 杀死该session 

alter system kill session 'sid,serial#'