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1.数据库表被锁后------解锁

第一步

select t2.username, t2.sid, serial#, t2.logon_time
from v$locke{d}_{o}bjectt1,v$session t2
where t1.SESSION_ID = t2.SID;

第二步

alter system kill session ‘91,64898’;

2.查锁语句

select sess.sid,
sess.serial#,
lo.oracle_username,
lo.os_user_name,
ao.object_name,
lo.locked_mode ,
machine,
program
from v$locke{d}_{o}bjectlo,db{a}_{o}bjectsao,v$session sess
where ao.object_id = lo.object_id and lo.session_id = sess.sid;