订单表在设计的时候已经有订单编号作为唯一字段了，还需要 id 列吗 - V2EX

订单表在设计的时候已经有订单编号作为唯一字段了，还需要 id 列吗 - V2EX

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这是一个创建于 475 天前的主题，其中的信息可能已经有所发展或是发生改变。

今天在设计订单表，订单表在设计的时候已经有订单编号作为唯一字段了，那是不是就可以删除 id 字段，把订单编号设置为主键了

这样来看 id 列好像确实没什么用。。。

1 条回复 2024-07-03 01:11:17 +08:00

1

IvanLi127

2024-07-03 01:11:17 +08:00

1

个人认为，内部订单号的话可以做主键，要外显的就别做主键，天知道哪来来个指示，要调整订单编号啥的...

外接 api 啥的会用到编号也算

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