Most Active Chat Users

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

Domain

SQL

Difficulty

medium

Seniority

L4

Problem

Rank all chat users by total message volume so that tied counts share the same rank with no gaps. Show each user's rank, ID, and total messages, from most to least active.

Summary

The loudest voices on the platform.

Practice This Problem

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