SQL代码:

Oracle树结构查询按层级排序_sqlOracle树结构查询按层级排序_sql_02

SELECT t.*
FROM pt_org_info t
START WITH t.id = 1
CONNECT BY t.par_id = PRIOR t.id
ORDER SIBLINGS BY t.id;

View Code

 效果图:

Oracle树结构查询按层级排序_sql_03