1、首先檢視鎖定的表太程序：
select substr(v$lock.sid,1,4) "sid",
serial#,
v$session.sid,
substr(username,1,12) "username",
substr(object_name,1,25) "objectname",
v$lock.type "locktype",
decode(rtrim(substr(lmode,1,4)),
'2','row-s (ss)','3','row-x (sx)',
'4','share', '5','s/row-x (ssx)',
'6','exclusive', 'other' ) "lockmode",
substr(v$session.program,1,25) "programname"
from v$lock,sys.dba_objects,v$session
where (object_id = v$lock.id1
and v$lock.sid = v$session.sid
and username is not null
and username not in ('sys','system')
and serial# != 1);
2、殺掉鎖表的程序：
alter system kill session 'sid,serial#';
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