Prolific Authors in Largest Service Teams
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
Find authors whose name starts with 'a' (case-insensitive) who belong to the service(s) with the most unique authors. If multiple services tie for largest team, include matching authors from all of them. Return the service name and author.
Summary
Senior leads in the biggest teams.
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