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2020-05-11 13:24:39 +08:00

回复了 hackingwu 创建的主题程序员如果一个表的几乎全部列加起来要求唯一，如果建唯一索引吗

如果仅仅是为了要求唯一。。。
为什么不程序全部列一起计算 hash
这样只需要处理一个列

2020-05-06 00:39:08 +08:00

回复了 ex1gtnim7d 创建的主题数据库数据库表中唯一主键 id 用 32 位的 md5 算出来的值是否可行？

把高性能 mysql 看完再继续思考

2019-11-08 13:47:49 +08:00

回复了 nathanwongggg 创建的主题宽带症候群广东电信这是要官宣正式上 1000M 宽带融合套餐了?

@stuazt 超五类本来就是千兆哪来什么真假....

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