[转]MySQL不为人知的主键与唯一索引约束
今天和大家简单聊聊MySQL的约束主键与唯一索引约束: PRIMARY KEY and UNIQUE Index Constraints 文章不长,保证有收获。
Just One Pure ITer
今天和大家简单聊聊MySQL的约束主键与唯一索引约束: PRIMARY KEY and UNIQUE Index Constraints 文章不长,保证有收获。
第一篇,说说MySQL两个最常用的存储引擎,MyISAM和InnoDB。照自己的理解,把一些知识点总结出来,不只说知识点,多讲“为什么”。
1. Introduction The early architecture of Uber consisted of a monolithic backend application written in Python that used Postgres for data persistence. Since that time, the architecture of Uber has changed significantly, to a model of microservices and...
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