Is there a good reason I see VARCHAR(255) used so often (as opposed to another length)?

Is there a good reason I see VARCHAR(255) used so often (as opposed to another length)?

database database-design types varchar

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What is the difference between CHARACTER VARYING and VARCHAR in PostgreSQL?

database postgresql varchar varying

database

Why does VARCHAR need length specification?

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MySQL: Why use VARCHAR(20) instead of VARCHAR(255)? [duplicate]

mysql database types varchar

database

SQL Server date format yyyymmdd

sql-server database date datetime varchar

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Why specify a length for character varying types

database database-design postgresql types varchar

database

Is a varchar 2 more efficient than a varchar 255?

mysql database django database-design varchar

database

MySQL: why varchar(254) and not varchar(255)?

mysql database varchar

database

Why are SQL fields lengths always (2^n)-1 unless less than 127?

database schema varchar

database

Is there any reason to ever use TINYTEXT?

mysql database varchar sqldatatypes tinytext

database

Does column ordering affects performance in Microsoft SQL Server 2012?

mysql sql-server database database-design varchar

database

What is the maximum length of private and public RSA keys?

database openssl rsa varchar

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Postgresql: In-Row vs Out-of-Row for text/varchar

sql database postgresql text varchar

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Inserting "bigger" data into PostgreSQL makes the system faster?

sql database postgresql varchar

database

Find the byte size of a row in PostgreSQL

sql database postgresql byte varchar

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