Users Who Clicked Ads

A easy SQL mock interview question on DataDriven. Practice with AI-powered feedback, real code execution, and a hire/no-hire decision.

Domain

SQL

Difficulty

easy

Seniority

junior

Interview Prompt

The ad retargeting pipeline needs a seed list of users who have clicked at least one ad. Return their user IDs.

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