Supplier Pricing Percentiles :Rank Suppliers by Average Product Price to Evaluate Competitive Pricing Performance Intermediate
Determine where each supplier falls in percent rank by average price.
Xorthax wants to evaluate suppliers based on the percent rank of their average product price. Write a query to calculate this rank for each supplier.
Write Your Query
This reflects analyzing supplier pricing to determine how each supplier’s average price compares across the market.
You'll practice ranking aggregated results and interpreting percentile-based comparisons across grouped entities.
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.
Yes. Every problem comes with optional hints you can reveal one at a time, plus a fully worked step-by-step solution. You decide how much help you want while practicing.
All problems on PracticeWindowFunctions.com are completely free and can be solved without creating an account. Right now there are over 80 practice problems, with new ones added regularly.
SQL Cookbook (O’Reilly)
Practical SQL recipes for real-world querying—great complement to hands-on practice.
(Affiliate link – as an Amazon Associate I earn from qualifying purchases.)