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:
OR
Combination of OR
and AND
operators allows us to build powerful filters for our queries:
SELECT COUNT(*) FROM users WHERE (country = 'ca' OR country = 'gb') AND...
“well worth the money”
Sign up and check out 36 free lessons and exercises.
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. 