In contrast, Entity-relationship diagramming originated with the parent - child relationships in hierarchal and network databases.

Other data architects arose from a data modeling background and see Entity-Relationship diagramming, and defining structures using normalization or dimensionalization or Data Vault as their most ...

Description: Model business information requirements and design databases to fulfill them. Investigate data architectures, development approaches for operational and data warehouse databases, ...

In building a logical data model, some entities are considered strong, other entities are considered weak. Strong entities are the most foundational elements within a nascent Entity-Relationship ...