In the past, I have shared some of the best SQL books and tutorials to learn. Today, I am going to share the best online courses to learn so you can master this useful technology. The Complete SQL Bootcamp is inspired by Bootcamps and focuses on intense learning. It is also a comprehensive course and explains every single concept by using slides as well as live coding. It is even more popular than a mainstream programming language like Java and Python, and it definitely adds a lot of value to your CV.