很詳細的鏈接:start with connect by prior 遞歸查詢用法
select username,
usercode,
jobnumber,
(SELECT organisename
FROM JXD7_XT_ORGANISE
where preorganiseid = '92'
START WITH organiseid = (select organiseid
from JXD7_XT_ORGANISE
where a.deptid = organiseid)
CONNECT BY organiseid = PRIOR preorganiseid) bm,
(SELECT organisename
FROM JXD7_XT_ORGANISE
where organiseid = (select organiseid
from JXD7_XT_ORGANISE
where a.deptid = organiseid)) bz
(