Tutorials: Many websites offer free SQL tutorials and exercises, such as SQLZoo and Mode Analytics. Source: over 3 years ago

Follow this tutorial. Sign up for a free account and follow along in the Mode report editor. Solve all the practice problems along the way. Source: over 3 years ago

If you are looking to practice your SQL skills, I like Mode to give you a good understanding of the basics as well as the advanced concepts. In this situation, I would simply learn to the test. Source: over 3 years ago

If youre learning SQL for the first time -> mode analytics is my favorite Especially for data analytics, great place to start and I recommend doing beginner and moderate levels. Source: over 3 years ago

I recommend this tutorial to all SQL beginners. My partner, who also had no background in programming, found this very helpful. Source: over 3 years ago

I had a lot of with Code Crafters. It's a paid platform, but they give you a basic walk through of different technologies, with full test suites. For example, you implement some basic Redis. It doesn't spoon feed you what to do, but breaks it down into manageable chunks. https://codecrafters.io/. - Source: Hacker News / 7 months ago

To make this happen, I'm starting with the Shell Challenge at CodeCrafters.io. - Source: dev.to / 8 months ago

Have you ever thought of building your own shell — or anything you use in your daily tasks? It could be an IDE, a simple database, or even a text editor. In this blog, I’ll walk you through the exciting journey of building a shell using the Codecrafters platform. I’ll share why the experience is amazing and why you should absolutely give it a try! - Source: dev.to / about 1 year ago

This is where today's quick tip comes into play. Do you know Codecrafters.io? If you don't, let's remedy that now! It's a platform that monthly proposes building projects of different complexity, guiding you step by step in studying and developing. Some of the latest projects include reproducing your own version of Git, Redis, BitTorrent, or your Interpreter. - Source: dev.to / almost 2 years ago

I recently started learning Rust using the awesome CodeCrafters website. - Source: dev.to / almost 2 years ago