Single Service Owners
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
- L3
Interview Prompt
An infrastructure audit needs to identify owners responsible for exactly one service. Show the service name and how many services that owner manages (which will be 1), listed alphabetically by service name. Limit to the top 10.
Summary
One owner, one service. Nobody else.
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