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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

Our push notification system flags whether each notification was opened and records the campaign that sent it. Across the campaigns that have sent notifications, find the ones whose opens beat the average campaign's opens.

Summary

Every campaign fights for the tap. Find the ones the field is leaving behind.

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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