Woooo hooooo We’ve finished the second chapter, I’m so glad you’ve reached it here and I hope you feel so much power from your knowledge By now, we’ve not only covered how the data works in marketing, but also we’ve learned the two most fundamentals techniques in data analysis: grouping & counting and grouping & summing.
Let’s recap what we’ve learned in the 2nd chapter:
AND operators allows us to build powerful filters for our queries:
SELECT COUNT(*) FROM users WHERE (country = 'ca' OR country = 'gb') AND...
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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.