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Prolific Authors in Largest Service Teams

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
L4

Interview Prompt

We keep a deploy log where every deployment records its service and the author who ran it. Find the service with the largest team of authors and return that service's authors whose names start with 'a', alongside the service name.

Summary

Senior leads in the biggest teams.

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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