Ghost 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
- Seniority
- L5
Interview Prompt
Merchandising is hunting for dead inventory that has never sold. Find every product in products that has no matching row in transactions. Return the product_name for each.
Summary
Listed but never sold. The shelves collect dust.
How This Interview Works
- Read the vague prompt (just like a real interview)
- Ask clarifying questions to the AI interviewer
- Write your sql solution with real code execution
- Get instant feedback and a hire/no-hire decision