Run the SQL that comes back on your data set to calculate your answer. (Optional) Create an interactive application to make it easy to query a data set in plain English.

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.

The ease and ubiquity of SQL have even led the creators of many “ NoSQL ” or non-relational data stores, such as Hadoop, to adopt subsets of SQL or come up with their own SQL-like query languages.

Python could soon be the most popular programming language, battling it out for top spot with JavaScript, Java and C, depending on which language ranking you look at. But while Python adoption is ...