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A easy SQL interview practice problem on DataDriven. Write and execute real sql code with instant grading.
- Domain
- SQL
- Difficulty
- easy
- Seniority
- senior
Problem
The marketplace homepage needs a trending widget. Pull the 3 products with the highest total sales over the last 30 days. Return the product_id and total sales amount, highest first.
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.