An entity relationship (ER) diagram is a visual way to show how information is organized in a database.
Getting business and IT on the same page during a project is key to an initiative's success -- and utilizing data models can help do just that. In this chapter from Data Modeling for the Business: A ...
Data modeling is the process of defining datapoints and struc­tures at a detailed or abstract level to communicate information about the data shape, content, and relationships to target audiences.
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, ...