First Light

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

Domain

SQL

Difficulty

medium

Seniority

L6

Problem

We're profiling who was shipping code in each repo's scrappy early days, before it ever logged a successful CI build. For each of those authors, report their average lines added and average lines removed per commit, biggest contributions first.

Summary

Every repo has a scrappy stretch before its first green build. See who was shipping then, and how big their changes were.

Practice This Problem

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