The Heaviest Hitters
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
- L3
Interview Prompt
The ad ops team is auditing which impressions pulled in the most money. Surface the three highest-revenue impressions, each with when it occurred and the revenue it earned, biggest earner first.
Summary
A handful of impressions earn more than the rest combined. Bring them to the top.
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