The Plan That Changed Twice This Month
A medium Data Modeling mock interview question on DataDriven. Practice with AI-powered feedback, real code execution, and a hire/no-hire decision.
- Domain
- Data Modeling
- Difficulty
- medium
- Seniority
- L5
Interview Prompt
A subscription streaming service needs a data warehouse that tracks subscriber lifecycle events, viewing activity, and plan changes. The business measures churn, downgrade rates, and content engagement. Design the schema that supports all three.
Summary
Subscribers come, go, downgrade, and share. The schema has to keep up.
How This Interview Works
- Read the vague prompt (just like a real interview)
- Ask clarifying questions to the AI interviewer
- Write your data modeling solution with real code execution
- Get instant feedback and a hire/no-hire decision