Average Rating by Category

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

Domain

SQL

Difficulty

easy

Seniority

junior

Problem

Before the next product roadmap meeting, the PM wants to know which categories customers love and which ones need attention. Show the average product rating for each category.

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.