Email Census
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 CRM team is sizing their outreach lists before the next campaign. Break every user account down by its status and by whether an email address is on file, and for each combination show how many users it holds and what share of the whole user base it represents.
Summary
The reachability split.
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