1.查询被锁的对象: 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; 2.下面的语句用来杀死一个进程,其中a,b分别是上面查询出的sid,serial: alter system kill session 'a,b'; 3.如果利用上面的命令杀死一个