The One That Flew
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
The CI/CD team is setting a performance baseline from the fastest build ever recorded, and a build only has a duration once it actually finishes. Surface the date and duration of the shortest completed CI build on record, and if more than one build ties for the shortest, take the earliest one.
Summary
The fastest build ever. When did it happen?
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