The pits encountered when Mysql sets the primary key auto-increment~ - Code World

The pits encountered when Mysql sets the primary key auto-increment~

Others 2021-04-01 11:23:19 views: null

今天在写一个javaweb的Demo时遇到一个数据库问题：mysql设置主键自增时报错1833，原因是此主键是另一个表的外键，而外键是不可以设置自增的，所以想要设置自增，必须先将外键删除。
也就是说，**MySQL要先设置主键自增，然后再添加外键约束。**

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Origin blog.csdn.net/qq_39688282/article/details/100900963

The pits encountered when Mysql sets the primary key auto-increment~

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