Workers Earning Above Department Average

A medium SQL mock interview question on DataDriven. Practice with AI-powered feedback, real code execution, and a hire/no-hire decision.

Domain

SQL

Difficulty

medium

Seniority

L4

Interview Prompt

Inner-join products to transactions on product_id. Per (product_id, product_name), count transactions. Return product_name and transaction_count. Sort by product_id ascending.

Summary

Earning above the department average.

How This Interview Works

1. Read the vague prompt (just like a real interview)
2. Ask clarifying questions to the AI interviewer
3. Write your sql solution with real code execution
4. Get instant feedback and a hire/no-hire decision