Er Model In Dbms Ppt. A database can be modeled as. An entity set is a set of entities of the same type that share the same properties.
The entity relationship er model title. An er model is a design or blueprint of a database that can later be implemented as a database. The main components of e r model are.
The er model defines the conceptual view of a database.
It works around real world entities and the associations among them. It develops a conceptual design for the database. The main data objects are termed as entities with their details defined as attributes some of these attributes are important and are used to identity the entity and different entities are related using relationships. Database system concepts 2 5 silberschatz korth and sudarshan composite attributes database system concepts 2 6 silberschatz korth and sudarshan relationship sets.
