The Slow Lane

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

Domain

SQL

Difficulty

medium

Seniority

L4

Problem

For endpoints that were first called in 2026, find the highest single-request latency recorded during March of any year. Show each endpoint and its peak latency, sorted from highest latency to lowest.

Summary

Peak API load. The slow endpoints.

Practice This Problem

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