CDN Traffic by Day and Hour
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
- L4
Interview Prompt
The infra team is sizing CDN edge capacity and wants a throughput heatmap across the week, laid out like a calendar. For every weekday and hour of day, show the average net bytes per request.
Summary
CDN traffic, hour by hour.
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