This best-selling guide will get you up and running with SQL. Author Chris Fehily introduces general concepts, practical answers, and clear explanations of what the various SQL statements can do.

I'm studying Java, but I don't know what to learn next.I often hear the terms SQL and Spring Boot, but how are they ...

Developers often dispute the merits of SQL as a legitimate programming language, but this misses the point. SQL is a powerful 4GL for accessing data. Let’s face it: Bigotry within the ranks of the ...

The best things in life are free. Sign up for our email to enjoy your city without spending a thing (as well as some options when you’re feeling flush). Our newsletter hand-delivers the best bits to ...

The structured query language is a powerful tool for connecting to many database systems that store data in tables organized into rows and columns. It's often used on the backend of business websites ...

SQL databases have constraints on data types and consistency. NoSQL does away with them for the sake of speed, flexibility, and scale. One of the most fundamental choices to make when developing an ...

Relational SQL databases, which have been around since the 1980s, historically ran on mainframes or single servers—that’s all we had. If you wanted the database to handle more data and run faster, you ...

Could you please explain the differences between a database engineer, a database architect and a database administrator? Great question! It can get pretty confusing as these titles (and many more ...