We all make mistakes when learning a new language – especially at the beginning. New words, complicated grammar… Everyone needs time to master a language. But when we get immediate feedback, we can progress more quickly. The same goes for learning SQL. Mastering SQL Queries Interactive SQL courses are one way to get immediate feedback on your queries. These courses, like the ones offered in Vertabelo Academy, usually introduce new concepts and then ask you to have a go at them right away.