28 Jan 2020 Jakub Romanowski How to Practice SQL Do you already know what SQL aggregation functions are, what JOINs are, and how “group by” is different than“order by”? Great, congratulations. But don't you think that in order to master SQL and be able to apply it, you need to practice? We advise you on how to practice SQL to prepare for a data analyst job interview or to simply boost your knowledge effectively. Because, as they say, SQL practice makes perfect. Read more 6 Apr 2018 Dorota Wdzięczna New LearnSQL.com Online Practice – Solve Basic SQL Questions with the SQL Practice Set If you’re looking to retrieve any kind of information from a database, you need to speak its language. But querying databases is an art—and it demands practice. That’s why we created our SQL practice set: a pack of SQL online practice exercises meant to help you master your skills. We spend a lot of time not only developing new courses but also speaking with our users and learning what they expect from SQL online practice exercises. Read more