Average API Latency by Year
A medium SQL mock interview question on DataDriven. Practice with AI-powered feedback, real code execution, and a hire/no-hire decision.
- Domain
- SQL
- Difficulty
- medium
- Seniority
- L3
Interview Prompt
During the weekly platform review, the VP of Engineering asked whether API latency has been trending up. Show the average latency for each endpoint in each year, ordered by year and then by endpoint.
Summary
Latency year over year. Is it getting better?
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