Ghost Products
A medium SQL mock interview question on DataDriven, with an AI interviewer who asks follow-up questions and a hire or no-hire decision at the end.
- Domain
- SQL
- Difficulty
- medium
- Seniority
- L5
Interview Prompt
Merchandising is hunting for dead inventory that has never sold. Return the product_name of every product in products with no matching row in transactions.
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 and run your SQL against a real database
- Answer the interviewer's follow-up questions, then get a hire or no-hire decision