A medium Data Modeling interview practice problem on DataDriven. Write and execute real data modeling code with instant grading.

Domain

Data Modeling

Difficulty

medium

Seniority

L5

Problem

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.

Practice This Problem

Solve this Data Modeling problem with real code execution. DataDriven runs your solution and grades it automatically.