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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

The engagement team wants Friday ad click counts. Count clicks (clicked = true) for each Friday where the clicking user is connected to the ad campaign owner. A connection exists if both user IDs appear in the same chat channel. Only count clicks that occurred on or after the campaign's first impression. Show date and total clicks.

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