Deploy Velocity
A hard SQL mock interview question on DataDriven. Practice with AI-powered feedback, real code execution, and a hire/no-hire decision.
- Domain
- SQL
- Difficulty
- hard
- Seniority
- L5
Interview Prompt
The release manager is benchmarking how often each service ships. For each service, look at the gaps in days between consecutive deploys and take the average. Show the service name and its average gap.
Summary
Days between deploys. Some services ship fast, others crawl.
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