如何解决数据库记录被另一用户锁住的问题

--查看数据库锁,诊断锁的来源及类型:
select object_id,session_id,locked_mode from v$locked_object;
-- 或者用以下命令:
select b.owner,b.object_name,l.session_id,l.locked_mode from v$locked_object l, dba_objects b where b.object_id=l.object_id ;
--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#'  --替换为查出来的sid,serial#

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