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mysql的varchar字段最大长度真的是65535吗?
在mysql建表sql里,我们经常会有定义字符串类型的需求。 比方说user表里的名字,就是个字符串。mysql里有两个类型比较适合这个场景。 char和varchar。 声明它们都需要在字段边上加个数组,比如char(100)和varchar(100),这个100是指当前字段能放的最大字符数。 char和 ...
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