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Endpoint Performance Report

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
mid

Interview Prompt

Given an api_calls table with endpoint, latency, and timestamp, write a query to compute statistics per endpoint (minimum 5 calls): total call count, average latency, and the number of calls exceeding a 500ms SLA threshold.

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