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The Usual Suspects

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

We run health-check monitoring across several cloud regions, and every region has one service that dominates the check volume. For 2025, find that leading service in each region with its check count, and include any services tied at the top of a region.

Summary

Same services, same checks, same problems.

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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