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.

SQL had a somewhat unusual journey in the TIOBE Index. In 2004, due to debates about whether SQL counted as a programming language at all, Jansen removed it from the index.

It found that Python, Java, SQL and JavaScript appeared the most frequently in developer job ads, each appearing in more than 50,000 listings on Indeed. All four saw a significant jump in demand ...