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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
Growth wants to quantify how much revenue the 2026 signup cohort has generated. Return the total transaction spending across every user who signed up during calendar year 2026 as a single total.
Summary
What's this year's signup cohort worth so far?
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