For a healthcare provider looking to consolidate patient records from various sources, what data warehousing approach would be most effective?
- Centralized Data Warehouse
- Distributed Data Warehouse
- Federated Data Warehouse
- Hybrid Data Warehouse
A Federated Data Warehouse allows the consolidation of patient records from various sources while keeping the data in its original location. This approach avoids physically moving the data, ensuring data integrity and security.
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