select username,lockwait,status,machine,program from v$session where sid in (select session_id from v$locked_object)

SELECT s.username,l.OBJECT_ID,l.SESSION_ID,s.SERIAL#,l.ORACLE_USERNAME,l.OS_USER_NAME,l.PROCESS  FROM V$LOCKED_OBJECT l,V$SESSION S WHERE l.SESSION_ID=S.SID;

alter system kill session ‘sid,serial#’; (其中sid=l.session_id)