Against the Clock

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 platform team is checking whether CI builds have crept slower across the years in each repository. Give the average build duration per repository and calendar year, slowest average first.

Summary

Build times by repo, year by year.

Practice This Problem

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