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Best-Selling Reps Each Month
A easy SQL interview practice problem on DataDriven. Write and execute real sql code with instant grading.
- Domain
- SQL
- Difficulty
- easy
- Seniority
- mid, senior
Problem
The sales team is identifying top buyers within each product category for January. Within each category, find the 3 highest-spending users by total transaction amount. If users tie, they share the same position and all should be included. Show the user ID, total amount, category, and transaction date.
Practice This Problem
Solve this SQL problem with real code execution. DataDriven runs your SQL queries against a live PostgreSQL database and grades it instantly.