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A easy SQL mock interview question on DataDriven. Practice with AI-powered feedback, real code execution, and a hire/no-hire decision.
- Domain
- SQL
- Difficulty
- easy
- Seniority
- L3
Interview Prompt
The product team is building a monthly active users report for the board. For each calendar month in the session data, tally the number of individual users who visited at least once. Only include months that had more than two unique visitors. List the months from most recent to oldest.
Summary
Which months actually had an audience?
How This Interview Works
- Read the vague prompt (just like a real interview)
- Ask clarifying questions to the AI interviewer
- Write your sql solution with real code execution
- Get instant feedback and a hire/no-hire decision