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POS Sales Data Warehouse
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
- senior
Problem
We're a retail chain with 500 stores. Every transaction at every register flows into our data warehouse. We need a dimensional model for sales analytics, sliceable by store, product, time, and promotion. Can you design the star schema?
Practice This Problem
Solve this Data Modeling problem with real code execution. DataDriven runs your solution and grades it instantly.