Lowest Latency per Service

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

Domain

SQL

Difficulty

medium

Seniority

L3

Problem

For each service in the us-east-1 region, find the lowest latency recorded. Results should appear by latency descending, then alphabetically by service name.

Summary

The fastest response each service ever gave.

Practice This Problem

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