How can I write a solution for such a table to be infinitely classified?
Source: Internet
Author: User
How can I write a news page table with an unlimited category? & nbsp; cate_id & nbsp; ------ Current news parent category idsubcate_id & nbsp; ----- current news Category id news classification table cate_id ------------ What should I write if a table like category is infinitely classified?
News page table
Cate_id ------ Current news parent category id
Subcate_id ----- current news Category id
News classification table
Cate_id ------------ Category id (including all categories and subcategories)
Pid ------------- parent category id of the current category
I want to make him an infinite classification. what should I do? All categories can be listed and sorted, and news under related categories can be listed
------ Solution --------------------
Recursion
Or no recursive http://topic.csdn.net/u/20110728/15/eadffb68-5eb6-40d8-9ec1-2bc439f45322.html
------ Solution --------------------
You are a pure parent-child value classification currently, and it cannot be performed without recursion.
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