提交事务的时候提示(数据库被一个用户锁住的解决方法)

　　select object_id,session_id,locked_mode from v$locked_object;

　　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;

　　alter system kill session 'sid,serial#';

　　alter system kill session '7,10839'