Get Design Physical Er Diagram Example Download Zip Background. Download as pdf, txt or read online from scribd. In other words, er diagrams help to explain the logical structure of databases.
Entity relationship diagrams use a specific set of symbols, such as shapes and arrows, to depict the system and database.
Er diagram is a visual representation of data based on the er model, and it describes how entities for example, people, property, organizations, agreements and, etc. Download as pdf, txt or read online from scribd. In other words, er diagrams help to explain the logical structure of databases. It is not concerned with how the data will be physically utilized in a database.