Top Active Senders per Channel

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

Domain

SQL

Difficulty

medium

Seniority

L4

Problem

Show the top 3 most active senders by message count in each chat channel. Ties share the same rank with no gaps, which may produce more than 3 rows per channel. Return channel, sender ID, and message count.

Summary

Top three messages per channel by replies.

Practice This Problem

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