New Services With Poor Health
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
- L4
Interview Prompt
Find services whose earliest health check falls in Q1 2026 and where more than 20% of their checks have a non-healthy status (case-insensitive). Return the service name and the failure ratio.
Summary
New services, already struggling.
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