Product Ratings vs Sales

A medium SQL interview practice problem on DataDriven. Write and execute real sql code with instant grading.

Domain

SQL

Difficulty

medium

Problem

Strategy wants to know whether higher-rated product categories actually pull more revenue. For each category (excluding products with no rating), compute the average rating and total transaction revenue.

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.