oracle递归树形结构sql

时间：2020-06-23 15:45:25 收藏：0 阅读：83

例如：

--向下遍历

select * from tablename START WITH id= ‘111‘ CONNECT BY PRIOR id=parentid

--不包含parentid

select * from tablename START WITH parentid= ‘111‘ CONNECT BY PRIOR id=parentid

--向上遍历

select * from tablename START WITH id= ‘111‘ CONNECT BY PRIOR parentid =id

--不包含parentid

select * from tablename START WITH parentid= ‘111‘ CONNECT BY PRIOR parentid =id