The Steady Few
A medium SQL mock interview question on DataDriven, with an AI interviewer who asks follow-up questions and a hire or no-hire decision at the end.
- Domain
- SQL
- Difficulty
- medium
- Seniority
- L4
Interview Prompt
Our reliability leaderboard scores each region from the probe checks in `svc_health`, where a check'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 and run your SQL against a real database
- Answer the interviewer's follow-up questions, then get a hire or no-hire decision