企业级实战——品优购电商系统开发- 62.63.64.学习目标模板管理-需求分析-表结构

Bertha 。 2021-07-25 13:34 246阅读 0赞

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模版 商品类型

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多对多关系
     	-中间表关联   跨表关联查询
     	-简化开发（表中表）

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