Top 2 Callers per Endpoint

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 each endpoint, show the top 2 users by API call volume. If users are tied, include all of them at the same rank. Return the endpoint, user ID, and their rank.

Summary

Two top callers per endpoint.

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