The Loudest Failures
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
Pages from the error tracker spiked through August, and the on-call engineer wants to see which services were making the noise. From `err_tracks`, find how many errors each service logged that month.
Summary
Twelve months of errors. Which types showed up most?
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