Top Commit Authors by Repo
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
- L5
Interview Prompt
Find the top 3 commit authors in each repo by average lines added. In case of a tie, break by author name alphabetically. Show each repo with its best, second-best, and third-best authors. If a position is unfilled, label it accordingly (e.g., 'No second author'). Format each entry as 'author (avg_added)'. Round to 1 decimal place.
Summary
Three authors per repo. The top committers.
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