Failure Rate
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 DevOps lead is presenting build reliability at the all-hands and needs a failure percentage per repository. For each repo, what share of its CI builds ended in a 'failed' status?
Summary
Build failures happen. Which repos break the most?
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