-- 查死锁
select sess.sid,sess.serial#,lo.oracle_username,lo.os_user_name,ao.object_name,lo.locked_mode
   from v$locked_object lo,dba_objects ao,v$session sess
where ao.object_id = lo.object_id and lo.session_id = sess.sid;
 
-- 杀死死锁
-- sid,serial
alter system kill session '164,5487';