Foreign Keys Pro
A WordPress plugin to simply create MySQL foreign keys.
Consider an alternative
Foreign Keys Pro shows warning signs in 2026 — compare the alternatives below before installing. Was last updated 2 years ago, and scores 24/100 on our health check.
- Small user base (<10 active installs)
- Very few reviews so far
- No update in over a year
- Only tested up to WordPress 6.7 (latest is 7.1)
Daily downloads
Download spikes usually follow a new release — each site that auto-updates counts as a download.
Rankings
Where Foreign Keys Pro stands todayWordPress.org search rankings
Live position in the plugin search, top 100| Keyword | Position |
|---|---|
| foreign keys | #18 |
| mysql | >100 |
About Foreign Keys Pro
From the official readme · v1.0.1Description
A WordPress plugin to simply create MySQL foreign keys.
Installation
- Upload plugin to the
/wp-content/plugins/directory - Activate the plugin through the ‘Plugins’ menu 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
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.
For developers
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FAQ
Foreign Keys Pro: quick answers
Straight answers, pulled from live WordPress.org data.
Live data from WordPress.org · checked Oct 15, 2026
Is Foreign Keys Pro free?
Yes. Foreign Keys Pro is free to download and use from the official WordPress.org plugin directory.
Is Foreign Keys Pro safe to use in 2026?
Foreign Keys Pro shows warning signs in 2026 — compare the alternatives below before installing. Was last updated 2 years ago, and scores 24/100 on our health check.
How many websites use Foreign Keys Pro?
Foreign Keys Pro is active on <10 WordPress websites and has been downloaded 1,351 times since it launched in November 2020. It was downloaded 60 times in the last 30 days.
Does Foreign Keys Pro work with WordPress 7.1?
Foreign Keys Pro is officially tested up to WordPress 6.7.10, while the latest release is 7.1.3. It may still work, but try it on a staging site first.
What PHP version does Foreign Keys Pro need?
Foreign Keys Pro requires PHP 7.2 or higher. Most hosts run PHP 8.x today, so it works on any modern WordPress hosting.
When was Foreign Keys Pro last updated?
The latest version, 1.0.1, was released on January 3, 2025 (2 years ago).
Who makes Foreign Keys Pro?
Foreign Keys Pro is developed and maintained by Hubbard Labs.
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