SCHEMA
The more we explore Bindle’s data warehouse the more tables we see – users, purchases, books. Data warehouse could easily hold hundreds of tables and it could get messy. We need a way to organize tables and this is where SCHEMA
comes into play.
Schemas basically are folders we could group our tables in. The syntax is quite simple – we just prepend schema name to a table name. Pageviews and events are stored inside web_analytics
schema.
web_analytics.pageviews table
As always, before we dive into complex queries let’s just see what’s inside...
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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. 