Learn the basics of Python, SQL and languages on your phone. Here are the top apps for aspiring coders and engineers.

SQL has dominated data querying for decades. Newer query languages offer more elegance, simplicity, and flexibility for modern use cases.

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.

If you want to work in computer science, five coding languages to learn include Python, C++, Java, JavasScript and SQL.

HTML/CSS (54%), SQL (52%) and Python (51%) also ranked highly, which isn’t shocking considering these languages have dominated the programming landscape for some time now.

According to Coding Dojo's annual Top Programming Languages report, PHP hit an all-time low. Python continues to dominate the top position.