Average Response Time by Hour
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
Users in Asia-Pacific keep reporting slow page loads during their morning. To check whether the servers show a time-of-day pattern, compute the average response time for each hour of the day from the server logs.
Summary
Hour by hour. When does latency spike?
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