Top Active Senders per Channel
A medium SQL mock interview question on DataDriven. Practice with AI-powered feedback, real code execution, and a hire/no-hire decision.
- Domain
- SQL
- Difficulty
- medium
- Seniority
- L4
Interview Prompt
We run a team chat platform and want to see who drives the conversation in each channel. Show the top three most active senders by message count in each chat channel, returning the channel, sender ID, and message count.
Summary
Top three messages per channel by replies.
How This Interview Works
- Read the vague prompt (just like a real interview)
- Ask clarifying questions to the AI interviewer
- Write your sql solution with real code execution
- Get instant feedback and a hire/no-hire decision