oracle解锁的SQL

当出现ora-00054错误时,可以利用下面这段sql解决
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;
--查看锁

--alter system kill session 'sid,serial#';
--把锁给KILL掉
alter system kill session '146,21177';

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