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Deploy Reliability Scores

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
junior, mid

Interview Prompt

Each deploy has an author and a service; matching deploys to health checks on service name gives a latency score. Compute the average score per author, ranked from highest to lowest. Show each author and their average score.

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