SQL is a programming language used to manage and manipulate relational databases. Its main uses include querying, inserting, updating, and deleting data in databases, as well as creating and modifying database structures and controlling user access.

Hello, world code example:

select 'Hello world!' text from dual;

Popularity: 48.91% of developers are using or have used this language.*
*According to StackOverflow's 2023 survey.

Repositories on GitHub: 1,883