Peak Hour Power Callers

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

Domain

SQL

Difficulty

medium

Seniority

L3

Problem

Support is tracking who leans hardest on the API during the afternoon window, from 3 to 6 PM. Find the users who placed at least 3 calls in that window along with their call counts, busiest first.

Summary

One hour. The phone lines exploded.

Practice This Problem

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