Article Summary
MySQL ENUM is a column data type that restricts accepted values to a predefined list, preventing invalid entries at the database level. This article covers ENUM syntax, storage behavior, handling wrong values, and alternatives like SET. You'll gain a clear understanding of when and why to use MySQL ENUM in your database design.
What is MySQL ENUM? MySQL ENUM is a method of ensuring that the right values are entered into a MySQL table. It’s a beneficial data type and often underused. Frequently, it pops up in SQL interview questions.
When you create a column that uses the MySQL ENUM type, you can specify a list of permissible values for that column. By doing so, you can help ensure that all data inserted into that column is valid.
Today, we’re going to be taking a look at the MySQL ENUM function.
MySQL ENUM example: building a database of shirts
For the purposes of example, we will be building a database of shirts. Let’s say that we’re trying to manage a kid’s soccer league, and we need to know exactly what type of shirt to order.
Our table will look like this:
| ID | Name | Size | Color |
| 1 | Maria | Medium | Blue |
| 2 | Marcus | Small | Green |
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Frequently Asked Questions
The MySQL ENUM function only permits certain values in a MySQL column. Learn how to use it and why it’s important. This guide provides structured insights, proven methodologies, and actionable execution steps for modern professionals.
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