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A hard SQL mock interview question on DataDriven. Practice with AI-powered feedback, real code execution, and a hire/no-hire decision.

Domain
SQL
Difficulty
hard
Seniority
L4

Interview Prompt

The release engineering team wants a deployment scorecard per service. Produce one row for each service with its number of successful, failed, and rolled-back deployments as three separate columns.

Summary

Success, failure, rollback - side by side.

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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  • Practice Mode (untimed)
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