Above Category Average
An easy 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
- easy
- Seniority
- L5
Interview Prompt
The merchandising team wants to spot outperforming products ahead of the quarterly review. Find every product whose average transaction amount beats the average transaction amount across its whole category, and return the product name, its own average, and the category average.
Summary
The category average is one thing. These beat it.
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