DataDriven
LearnPracticeInterviewDiscussDailyJobs

For each ad campaign, count the total number of impressions and the number of distinct users who saw

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

Interview Prompt

For each ad campaign, count the total number of impressions and the number of distinct users who saw the ad.

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

  • All Mock Interviews
  • Practice Mode (untimed)
  • SQL Interview Questions
  • Data Engineering Interview Prep Guide
  • Practice Problems
  • Daily Challenge