2018-11-15從主節點找子節點

SELECT temp.* FROM

(SELECT

a.GROUP_TAG,a.PAR_ID

FROM

OA_T_SYS_DIC_TAG a START WITH a.ID = '1' CONNECT BY PRIOR a.ID = a.PAR_ID

ORDER BY

a.ID) temp LEFT JOIN OA_T_SYS_DIC_TAG oaTag ON temp.GROUP_TAG = oaTag.GROUP_TAG

WHERE temp.PAR_ID='11'