After the Handshake

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

Domain

SQL

Difficulty

medium

Seniority

L3

Problem

An API endpoint can look fast on a user's very first call and slower on everything after. Excluding each user's earliest call, find the average latency of the remaining calls for each endpoint, slowest first.

Summary

The first call is a promise. Judge the ones that follow.

Practice This Problem

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