Cheapest CDN Route
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
- L5
Interview Prompt
The CDN team wants the cheapest delivery from the SFO edge. Among successful (status 200) responses served from SFO, what is the smallest byte payload? Return a single value.
Summary
The cheapest path across regions.
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