Currently in its 3rd edition, SQL Queries for Mere Mortals is perhaps one of the best theory+practice books on the market. It totals almost 800 pagesfull of detailed lessons, exercises, and theoretical discussions aimed to increase your knowledge of SQL queries.

The goal of this book is to help readers understand how SQL queries operate, how they can be optimized, and how to pick the right statements/expressions for the task at hand.

Early chapters start from the very beginning explaining what relational databases are & how they’re used. You’ll quickly move through the basics of SQL getting into more advanced queries with NOT/AND conditionals.

Each lesson covers a new technique and builds upon previous lessons. And this book is database agnostic so you’re not forced to use any specific DB engine.

Beginners and even semi-intermediate SQL coders will gain a very well-rounded understanding of SQL with this book. It has some of the clearest writing and teaching methods to help anyone build a foundational knowledge of SQL.


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