select sess.sid,
sess.serial#,
lo.oracle_username,
lo.os_user_name,
ao.object_name,
lo.locked_mode
from v$locked_object lo,
dba_objects ao,
v$session sess
where ao.object_id = lo.object_id and lo.session_id = sess.SID;獲得未提交的事物的列表和基礎信息
然后根據 sessionID和serial#號強制關閉事物：
ALTER SYSTEM KILL SESSION '9,108';
--'9,108'為sessionID和serial#號,逗號分開