Reviewers Per Repo Per Year
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
Some repos share names across orgs, so treat each repo-year combination separately. Show the repo name, year, and reviewer count per group, sorted from most reviewers to least.
Summary
Reviewers per repo, year by year.
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