Too Long; Didn't Read
As one of the most famous languages out there that developers use all the time, knowing at least a few things about SQL can be quite helpful. Of course, you can refer back to one of its online documentations, or check up at w3schools.com, but you may also prefer a quick cheat sheet that you can use to refresh up your knowledge or learn something that you may have not learned before. A relatively new <a href="https://github.com/enochtangg/quick-SQL-cheatsheet" target="_blank">Github repository</a>, at least at the time of this writing, has been created, which has some of the most common SQL commands that you may use in your daily tasks.