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归类、品牌、商品 结构设计

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Release： 2016-06-13 12:10:15
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分类、品牌、商品 结构设计
求教像京东这样的分类、品牌、商品的表结构设计，仔细想了一下这三类的关系还是挺复杂的，
一个商品可能在一个分类下有N个品牌  
一个品牌下有N个分类N个商品
一个分类下有N个品牌N个商品
类似这样的结构怎么设计表结构比较效率。
------解决思路----------------------
商品表，记录商品属性，并赋予商品唯一货号
品牌表，记录品牌信息，并赋予品牌唯一编号
分类表，记录分类信息，并赋予分类唯一分类号
商品品牌表，货号，品牌编号
商品分类表，货号，分类号

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