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.

SQL is a programming language that extracts, manipulates and manages information in relational databases. According to Stack Overflow’s 2023 developer survey, SQL is the third-most-popular ...

It gets down to hardcore SQL and keeps you thinking not just about what you’re doing, but why you’re doing it with its lively examples. This is gain without the pain. This is a fun way to learn.