Build Health
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
The platform team wants a CI health leaderboard for the all-hands, scoring each repository in `ci_builds` by its build success rate. Show the healthiest repos first.
Summary
Score every repo by how often CI stays green.
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