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 selects records from...