The Steady Few
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
An SRE team is compiling a reliability leaderboard by region, where a probe's effective hours is its uptime minus a tenth of its latency. Total each region's effective hours and surface the three most reliable regions.
Summary
Endurance is measured in the hours you hold the line. Rank the regions that keep it.
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