Why should I ever choose any other length than 255 for varchar in MySQL?

Why should I ever choose any other length than 255 for varchar in MySQL?

mysql char varchar

mysql

MySQL - TEXT vs CHAR and VARCHAR

mysql text types char varchar

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Which is faster: char(1) or tinyint(1) ? Why?

mysql char tinyint

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MYSQL VARCHAR or CHAR for fixed length string

mysql char varchar

mysql

How does MySQL varchar know how many bytes indicate the length?

mysql char byte varchar maxlength

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