1>select session_id from v$locked_object;
2>select sid, serial#, username, osuser from v$session where sid = 1.session_id;
3>alter system kill session '2.sid, 2.serial';
4>select spid, osuser, s.program from v$session s, v$process p where s.paddr = p.addr and s.sid = 1.session_id;
5>在linux上,kill -9 4.spid;
6>让子弹飞一会儿;