When comparing SQLBolt vs Codelearn, the Slant community recommends SQLBolt for most people. In the question“What are the best websites to learn to code?” SQLBolt is ranked 42nd while Codelearn is ranked 50th. The most important reason people chose SQLBolt is:
The lessons and topics are comprehensive and cover the important details of using SQL.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Comprehensive material
The lessons and topics are comprehensive and cover the important details of using SQL.
Pro Interactive lessons
There are a series of interactive lessons to learn the basics of SQL, all from within your browser.
Pro Runs in the browser
Since setting up the development environment can be difficult for a beginner, Codelearn provides a complete Rails environment on the browser ("Codelearn Playground").
Cons
Con Very few intermediate topics
The tutorial is designed to give beginners an understanding of the basics of SQL. They have started introducing intermediate topics, but currently there is only 3 to choose from.
Con Requires some knowledge of linux
The Playground emulates a linux environment, so it's best to have some experience with linux or you may find yourself lost.