oracle 树状查询中的 prior
刚接触树状查询的时候,总对树状查询中的 prior 很迷惑,其实 prior 用处很简单
决定树的遍历方向
树向父结节点方向生长：
select * from bss_org connect by bss_org_id= prior bss_parent_org_id start with bss_org_id=876
树向子结点方向生长：
select * from bss_org connect by prior bss_org_id= bss_parent_org_id start with bss_org_id=1
Aug 20, 2010 08:06:51 AM
关于prior我也不是很懂, 个性
Sep 29, 2022 08:09:54 PM
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