Seen or Ignored
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
- Seniority
- L3
Interview Prompt
Our push notification system logs every send along with whether the recipient opened it. Find each platform's fraction of sent notifications that were opened, strongest open rate first.
Summary
A send is only half the story. Find where the taps actually land.
How This Interview Works
- Read the vague prompt (just like a real interview)
- Ask clarifying questions to the AI interviewer
- Write your sql solution with real code execution
- Get instant feedback and a hire/no-hire decision