UTF-8 also works better with tools that don't expect to receive multibyte data.

UTF - 8在不支持多字节数据的工具中也能正常工作。

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VARCHAR Stores single-byte or multibyte text strings of varying length (up to 255 bytes); supports code-set order collation of text data.

VARCHAR存储可变长度的单字节或多字节文本字符串(最高可达255个字节)；在整理文本数据时支持使用代码集顺序。

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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。

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