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

Domain

SQL

Difficulty

medium

Seniority

L3

Problem

During the weekly platform review, the VP of Engineering asked whether API latency has been trending up. Show the average latency for each endpoint in each year, ordered by year and then by endpoint.

Summary

Latency year over year. Is it getting better?

Practice This Problem

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