The Data Vault Handbook - Concepts and Applications

ples will accompany each entity, illustrating their role and how they interact within the overall model. 3.1. CORE STANDARD ENTITIES The selection of Hubs, Links, and Satellites as the core entities in Data Vault modeling is rooted in their ability to represent a business from its fundamental components: business keys, relationships, and descriptive data, respectively. Business keys (Section 1.3.2) serve as the backbone, uniquely identifying and connecting these business objects within our Enterprise Data Warehouse.

To ensure a comprehensive understanding of these core entities, we will ex- plore them in detail. For each entity, we will describe its purpose, outline its structure, and illustrate its application with a practical example. 3.1.1. HUBS

Hubs are the foundational entities in the Data Vault model, representing core business concepts through a distinct list of business keys. These keys are cru-