Erd Database Design. The major entities within the system scope and the inter relationships among these entities. Common classifications are concepts locations roles events and things.
These entities can have attributes that define its properties. Storing details about their name phone numbers hiredate gender and date of birth. Entities are the real world elements in your system.
The process to create an erd is.
In other words er diagrams help to explain the logical structure of databases. Entities attributes and relationships. What is er diagram. The major entities within the system scope and the inter relationships among these entities.
