oracle锁表，解锁

//查询那些对象被锁

select object_name,machine,s.sid,s.serial#
from v$locked_object l,dba_objects o ,v$session s
where l.object_id　=　o.object_id and l.session_id=s.sid;

//杀死进程

alter system kill session 'sid,serial#';