查询死锁
select object_name,machine,s.sid,s.serial#
from vlockedobjectl,dbaobjectso,vlocked_object l,dba_objects o ,vlockedobjectl,dbaobjectso,vsession s
where l.object_id = o.object_id and l.session_id=s.sid;
解除死锁
alter system kill session ‘SID,SERIAL#’;