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. It lets people see the main entities, the information stored about them and the relationships ...

A well-designed data model is the cornerstone of effective operational systems and BI and analytics applications that deliver business value by transforming enterprise data into a useful information ...