The Threshold
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
- L4
Interview Prompt
We're studying the first impression our product makes, so for each visitor we look only at the earliest three pages they opened, in the order they viewed them. Across all visitors, surface the pages that appear most often in those opening views.
Summary
Every visit begins with three doors. Find the ones most often opened.
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