CHAR Stores single-byte or multibyte text strings of fixed length (up to 32,767 bytes); supports code-set order in collation of text data.

CHAR存储固定长度的单字节或多字节的文本字符串(最高可达32,767个字节)；在整理文本数据时支持使用代码集顺序。

youdao

The second difference is more subtle: The CHAR type is always the length you specify.

第二个区别比较微妙：CHAR 类型的长度总是指定的长度。

youdao

First, the char type has a maximum length of 254 characters, whereas the VARCHAR type can hold up to 32,672 characters.

首先，char类型的最大长度是254个字符，而varchar类型最多可以容纳32,672个字符。

youdao