oracle kill session

select   status,program,username,sid,serial#   from   v$session where username='username' AND STATUS='INACTIVE'

alter   system   kill   session  'sid,serial# '

--查询锁
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;
 --解锁
 alter system kill session '1609,61043';