Congrats, you’ve just finished the 1st chapter of SQL Habit! I’m writing this chapter in excitement because I hope you feel really lifted by all this new knowledge! We just scratched the surface of SQL applications in data analysis but it already gave us so much power! Let’s recap what we’ve learned in the 1st chapter:
History of SQL
The SQL language was proposed in the 1970s article A Relational Model of Data for Large Shared Data Banks. We can see a SQL database as a set of tables. Each table has one or more columns of different types: date,...
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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.