A medium SQL interview practice problem on DataDriven. Write and execute real sql code with instant grading.

Domain

SQL

Difficulty

medium

Seniority

L3

Problem

The engineering manager noticed that some long-tenured contributors still get heavy review feedback while newer ones sail through. For each author, pull the average number of comments on their code reviews alongside the date of their earliest commit. Present results starting from the most tenured author.

Summary

Some authors get more feedback than others.

Practice This Problem

Solve this SQL problem with real code execution. DataDriven runs your SQL queries against a real database and grades it automatically.