查詢父級下面全部

select (select g.org_name from t_sys_org g where g.org_id = n.org_id) org_name,

       (select g.ccms_origin_id from t_sys_org g where g.org_id = n.org_id) ccms_origin_id,

       (select g.org_type from t_sys_org g where g.org_id = n.org_id) datatype

  from t_sys_org_node n

 start with n.org_id in

            (select org_id from t_sys_org o where o.ccms_origin_id = '19')

connect by prior n.node_id = n.parent_node_id