Customer Frequency Classes :Segment Customers by Order Frequency into Three Transaction Tiers Intermediate
Group customers by how often they place orders at Xorthax's post.
Xorthax wants to segment customers into 3 groups based on the total number of orders they placed. Write a query to assign each customer to a transaction frequency tier.
Write Your Query
It models customer segmentation where businesses categorize clients by purchasing frequency to identify high-activity and low-activity groups.
You’ll practice grouping and dividing ordered results into balanced tiers for customer activity analysis.
This problem is labeled as Intermediate. It assumes you’ve written a few window function queries before, but you don’t need to be an expert. Use the hints and explanations if you get stuck — they’re there to help you think through the logic.
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SQL Cookbook (O’Reilly)
Practical SQL recipes for real-world querying—great complement to hands-on practice.
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