Active Duo
A medium 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
- medium
- Seniority
- L4
Interview Prompt
The growth team is building a cross-engagement segment of users who are active in two ways: making purchases and logging browsing sessions on the platform. Return the usernames of the users who show up in both.
Summary
Shoppers who also browse. The overlap is the insight.
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