The Retail Blueprint
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
- L4
Problem
We're a mid-size online retailer selling about 50,000 SKUs. The BI team needs self-service dashboards to analyze sales by product category, customer segment, geography, and time period. We also need to track inventory levels by warehouse. Design the dimensional model.
Summary
One business. A thousand transactions. Only one layout survives the analytics layer.
Practice This Problem
Solve this Data Modeling problem with real code execution. DataDriven runs your solution and grades it automatically.