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Customer Behavior Analysis in SQL Server

Introduction
Customer activity
Finding good customers
Summary
16. Question 1

Instruction

Let's start with Question 1.

Exercise

For each month of 2017, show the number of active customers in monthly registration cohorts. Define an active customer as a customer that has placed an order in the last 60 days. Show two columns: Month and ActiveCustomers. Order the results by month.

Stuck? Here's a hint!