SQLtest: up your SQL skills

Harness the power of practice to master SQL. Our interactive exercises are designed to solidify your understanding, from foundational concepts to advanced techniques. Whether you're a SQL novice or a seasoned pro, you’ll find challenges tailored to your skill level. Boost your confidence for job interviews and real-world applications through consistent practice. RU

Want to become a real SQL guru?

We have prepared for you a selection of the best books that will help you master the SQL language from scratch and improve your skills to perfection.

We have carefully studied many publications and selected only the most useful and relevant ones.

Our selection includes books for both beginners and experienced developers.

Learn PostgreSQL: Use, manage and build secure and scalable databases with PostgreSQL by Luca Ferrari & Enrico Pirozzi
Learn PostgreSQL: Use, manage and build secure and scalable databases with PostgreSQL by Luca Ferrari & Enrico Pirozzi
This new edition will help you learn PostgreSQL from scratch with the latest version, providing a complete focused view on aspects like configuration, high performance, partitioning, backup, server-side programming and replication.
PostgreSQL 14 Administration Cookbook by Simon Riggs
PostgreSQL 14 Administration Cookbook by Simon Riggs
Over 175 proven recipes for database administrators to manage enterprise databases effectively. This Postgres 14 book is for database administrators, data architects, database developers, and anyone with an interest in planning and running live production databases using PostgreSQL 14. Those looking for hands-on solutions to any problem associated with PostgreSQL 14 administration will also find this book useful. Some experience with handling PostgreSQL databases will help you to make the most out of this book, however, it is a useful resource even if you are just beginning your Postgres journey.
T-SQL Fundamentals by Itzik Ben-Gan
T-SQL Fundamentals by Itzik Ben-Gan
Master Transact-SQL's fundamentals, and write correct, robust code for querying and modifying data with modern Microsoft data technologies, including SQL Server 2022, Azure SQL Database, and Azure SQL Managed Instance.
SQL in 10 Minutes a Day by Ben Forta
SQL in 10 Minutes a Day by Ben Forta
Whether you're an application developer, database administrator, web application designer, mobile app developer, or Microsoft Office users, a good working knowledge of SQL is an important part of interacting with databases. And Sams Teach Yourself SQL in 10 Minutes offers the straightforward, practical answers you need to help you do your job.

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