Poles Apart

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

Domain

SQL

Difficulty

medium

Seniority

L4

Problem

We audit API tokens at both ends of the usage spectrum: the busiest and the quietest, counting only tokens that have been used at least once. Return those tokens with their request counts, busiest first.

Summary

Two extremes, one result: the busiest tokens and the quietest.

Practice This Problem

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