1、查询哪些对象被锁:
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;
例如查询出结果100,266
2、解锁对象:
(其中100,266分别是上面查询出的sid,serial#)
alter system kill session '100,266';