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Campaign Bookend Engagement

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
L5

Interview Prompt

The ads team wants to know how front-loaded or back-loaded each campaign's traffic is. For each ad campaign, give the percentage of its total impressions that landed on the campaign's first day and the percentage that landed on its last day.

Summary

First impression versus last. The gap.

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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