Events by Month Across Years
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 product analytics team suspects traffic is seasonal and wants to see the pattern across all available years. Show the total event count for each calendar month, folding every year together so each month appears once.
Summary
Month by month, year by year. The pattern emerges.
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