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Fastest Regions by Latency

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

The API performance team wants to highlight the fastest endpoints. Find the three endpoints with the lowest average latency, and return each endpoint with its average latency.

Summary

The fastest regions. Benchmarked.

How This Interview Works

  1. Read the vague prompt (just like a real interview)
  2. Ask clarifying questions to the AI interviewer
  3. Write your sql solution with real code execution
  4. Get instant feedback and a hire/no-hire decision

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