# Foreign Keys Pro
A WordPress plugin to add foreign keys.


## Installation

## Features

Simply adds MySQL Foreign Keys to default tables in WordPress.

## Frequently Asked Questions

### What are MySQL Foreign Keys?

A foreign key is a column or group of columns in a table that links to a column or group of columns in another table. The foreign key places constraints on data in the related tables, which allows MySQL to maintain referential integrity.
Reference: [MySQL Tutorial](https://www.mysqltutorial.org/mysql-foreign-key/)

### Do Foreign Keys have an impact on performance?

This realistically can vary site to site based on many factors. It is always best to test in a development environment, but here is a [good article](https://www.scarydba.com/2015/09/09/yes-foreign-keys-help-performance/) on how it might help performance.