Threads Excluding User
An easy SQL mock interview question on DataDriven, with an AI interviewer who asks follow-up questions and a hire or no-hire decision at the end.
- Domain
- SQL
- Difficulty
- easy
- Seniority
- L3
Interview Prompt
The trust and safety team is auditing reply activity across the workspace, where one conversation is a single sender paired with the channel they posted in. Count how many different sender-and-channel conversations there are.
Summary
Every thread they're not part of.
How This Interview Works
- Read the vague prompt (just like a real interview)
- Ask clarifying questions to the AI interviewer
- Write and run your SQL against a real database
- Answer the interviewer's follow-up questions, then get a hire or no-hire decision