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WordPress plugin
Foreign Keys Pro
A WordPress plugin to simply create MySQL foreign keys.
PricingFree downloadThe WordPress.org download is free. Pro versions, add-ons or external services may cost extra.
CompatibilityRequires WordPress 4.7 and PHP 7.2.
SourceWordPress plugins · Oct 19, 2026
01 / Source details
About this tool.
A WordPress plugin to simply create MySQL foreign keys.
02 / Source details
Getting started.
- 01Upload plugin to the /wp-content/plugins/ directory
- 02Activate the plugin through the ‘Plugins’ menu in WordPress
03 / Source details
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
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 on how it might help performance.
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