mysql-MySQL有关基本概念问题
- WBOYOriginal
- 2016-06-06 09:33:281160browse
mysqlmysql 数据库
有没有人可以给讲解下foreign key, primary key 和 reference key 都是干嘛的。麻烦通俗点，百度给的概念有点不太懂。有例子更好。谢谢大神了。
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