How to restrict a column value in SQLite / MySQL

Question

I would like to restrict a column value in a SQL table. For example, the column values can only be \"car\" or \"bike\" or \"van\". My question is how do you achieve this in

Answer 1

For MySQL, you can use the ENUM data type.

column_name ENUM('small', 'medium', 'large')

See MySQL Reference: The ENUM Type

To add to this, I find it's always better to restrict on the DB side AND on the app side. An Enum plus a Select box and you're covered.