“I was so afraid that we’ll have no signups at all, the numbers don’t look bad!” said Gessica, “Has anyone purchased though?”
Let’s practice combining filters more and calculate how many users who signed up within the first week are customers?
20. Count total number of customers
About 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. 
“well worth the money”
Fluent in SQL in a month
Master Data Analysis with SQL with real life examples from Product Management, Marketing, Finance and more.
