Fundamentals of Data Analysis Relational model of data

35. Relational model of data

That was an amazing couple of weeks, so many things happened – users signed up for Bindle, even purchased a subscription. Linh, Sandra and Gessica were afraid of the SQL monster, but now it’s clear that it’s manageable and brings so many insights.

“I really like that just by looking at the users table we can get so many insights! I’m wondering how many users started reading a book, but I don’t see any information about reading activity in the users table and neither in the books table. Where is this information stored?” asked Linh.

So far we’ve...

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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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-- Type your query here, for example this one -- lists all records from users table: SELECT * FROM users
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