Category Revenue
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
- L3
Interview Prompt
The finance team is assembling a category performance slide for the quarterly business review. For each product category that clears the revenue cutoff for the slide, give the total revenue, the number of transactions behind it, and the average transaction size.
Summary
Which categories pull their weight?
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