141. Counting pageviews with AB-test variation

Let’s practice querying JSON columns while it’s still fresh in our memories. We’re running ahead of schedule with learning about AB-test, but why not? It’s a perfect example 😄

Brief recap: AB-testing is a tool to optimize performance of … basically anything. We split website visitors into couple of groups. One group has treatment A, the other – treatment B. Later we compare performance (signup rate, purchase rate, ARPU etc) of both groups and keep the winning variation on the website for all future visitors. We can AB-test not just website, but...

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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 and exercises (you’re looking at one atm). They always have a real-life setting and detailed explanations. You can immediately apply everything you’ve learned at work. 🚀

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-- Type in your query here. You might want to start by listing all records: SELECT * FROM web_analytics.pageviews
LIMIT 500
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