Heavy Ad Exposure

A medium SQL mock interview question on DataDriven, with an AI interviewer who asks follow-up questions and a hire or no-hire decision at the end.

Domain
SQL
Difficulty
medium
Seniority
L5

Interview Prompt

A user counts as heavily ad-exposed if they have 3 or more impressions from a single campaign, or 5 or more total impressions spread across at least 2 different campaigns. Return the IDs of the users who qualify.

Summary

Saturated with ads. Is it too much?

How This Interview Works

  1. Read the vague prompt (just like a real interview)
  2. Ask clarifying questions to the AI interviewer
  3. Write and run your SQL against a real database
  4. Answer the interviewer's follow-up questions, then get a hire or no-hire decision