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Blast Radius

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

After a string of rollbacks, leadership asked how much deployment capacity each service is losing to failures. For every service, show the share of its deployments that failed and the share of its total deployment time those failures consumed.

Summary

When deploys fail, how bad is the blast radius?

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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