Getting good at SQL for interviews can feel like a puzzle. You know the basics, but putting them together in a way that impresses people is another thing entirely. Luckily, there are great tools out ...

This project is meant to act as a query tool for writing SELECT queries only. This project contains three challenge questions that help teach the user how to run basic queries. I learned how to set up ...

This repository contains a collection of SQL practice tasks completed as part of my ongoing learning in relational databases and analytical SQL. The goal of this work is not to present a production ...

Beth Skwarecki is Lifehacker’s Senior Health Editor, and holds certifications as a personal trainer and weightlifting coach. She has been writing about health for over 10 years. Ever tried to learn ...