Still Climbing

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

Domain

SQL

Difficulty

easy

Seniority

L4

Problem

As the first quarter wraps up, the SRE team is comparing each service's March 2026 health-check volume against February. Report each service's growth as its March check count divided by its February count.

Summary

Which services kept gaining month over month?

Practice This Problem

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