2018-11-15Oracle 子節點找父節點

select temp.* from

（SELECT

a.GROUP_TAG,a.ID

FROM

OA_T_SYS_DIC_TAG a START WITH a.ID = '2' CONNECT BY PRIOR a.PAR_ID =  a.ID

ORDER BY

a.ID） temp

WHERE temp.id != '2'

從子節點，找父節點  Oracle