ERDs provide a visual starting point for database design that can also be used to help determine information system requirements throughout an organization. After a relational database is rolled out, ...

An entity relationship (ER) diagram is a visual way to show how information is organized in a database.

Data modeling is the process of creating a simplified visual diagram of a software system and the data elements it contains, using text and symbols to represent the data and how it flows. Data models ...

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 ...

The Entity-Relationship (ER) modeling approach views an application domain in terms of entities that have attributes and participate in relationships. For example, the fact that an employee was born ...