120. Revenue analytics recap

Chapter 3 is about to end and I must say you’re not a beginner SQL user anymore. This is A. M. A. Z. I. N. G. 🏆 I’m so glad you’ve made it so far and you see for yourself how useful and life changing data and SQL are.

Almost half of the course is behind. And I’d say we’ve learned ~60-70% of the SQL fundamentals. In my daily work I rarely use more than that. In the next half of the course we’ll cover the rest 30-40% and go to the very advanced level. Now let’s recap what we’ve learned in this chapter.

INNER JOIN

Inner join diagram

INNER JOIN selects records from...

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Anatoli Makarevich, author of SQL Habit About SQL Habit

Hi, it’s Anatoli, the author of SQL Habit. 👋

SQL Habit is a course (or, as some of the students say, “business simulator”). It’s based on a story of a fictional startup called Bindle. You’ll play a role of their Data Analyst 📊 and solve real-life challenges from Business, Marketing, and Product Management.

SQL Habit course is made of bite-sized lessons (you’re looking at one atm) and exercises. They always have a real-life setting and detailed explanations. You can immediately apply everything you’ve learned at work. 🚀

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