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Reviewers Per Repo Per Year
A medium SQL interview practice problem on DataDriven. Write and execute real sql code with instant grading.
- Domain
- SQL
- Difficulty
- medium
- Seniority
- mid
Problem
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.
Practice This Problem
Solve this SQL problem with real code execution. DataDriven runs your SQL queries against a live PostgreSQL database and grades it instantly.