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

mid

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.

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