41. Filtering NULL values

“I would like to know our users better. Knowing their interests, for example, or allow them to tell about themselves”, said Gessica. “That way we could plan our features better or don’t do some feature at all if it’s something irrelevant for our users. How can we figure that out?”

“It would be nice to survey our users and ask them why did they sign up, maybe even call them. For the start, we can check out public user profiles, maybe there’s something interesting?”, replied Linh.

There are many ways of user research – surveys, live sessions,...

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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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