10 Best Relational Databases 2025

If you're in the market for a relational database, you've come to the right place. We've reviewed and scored many products in the Relational Databases category and we found products ranging from a 0 score up to a 9.7 score. But there was one product that stood out from the rest: Mastering SQL Joins: A Quick Handbook On Mastering SQL Joins With Practical Exercises by an unbranded author. With a top score of 9.7, this book is the holy grail for anyone looking to master SQL joins. Not only does it provide clear explanations and practical exercises, but it's also an enjoyable read. Trust us, you won't be disappointed. So what are you waiting for? Dive in and discover the world of SQL joins with Mastering SQL Joins.