Top Services by Uptime
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 SRE team maintains an uptime leaderboard for our services. Sort the services by their average uptime, highest first, and surface the leaders with each service's name, its average uptime, and its position.
Summary
Uptime is a competition. Which services never blink?
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