Use a CTE to identify the top 3 users by total spending, then join back to transactions and products

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

Interview Prompt

Use a CTE to identify the top 3 users by total spending, then join back to transactions and products to show each of those users' individual purchases with product names

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