--1.以下的语句用来查询哪些对象被锁：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; --2.以下的语句用来杀死一个进程：alter system kill session '24,111'; (当中24,111各自是上面查询出的sid,serial#)