--查询被锁的表
SELECT * from v$session where SID in (
SELECT lockObj.SESSION_ID
FROM V$LOCKED_OBJECT lockObj left join DBA_OBJECTS objs
on lockObj.OBJECT_ID = objs.object_id
LEFT JOIN v$session sess
on lockObj.SESSION_ID = sess.SID)
--kill session
ALTER SYSTEM KILL SESSION 'SID,SERIAL#';