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Push Opens by Platform and Campaign

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
L3

Interview Prompt

The engagement team suspects iOS users open push notifications more readily than Android users. Show how many unique users opened a notification on each platform, most opens first.

Summary

Opens by platform and campaign.

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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