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The Fast Lane

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 data platform team is benchmarking the pipelines that finish fast, those that complete inside a 45-minute window (2700 seconds). For each of those pipelines, find the average rows output.

Summary

Only the quick runs make the cut. Measure what they move.

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

Related

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