Lecture 3 presents a method to construct the database schema by means of an entity-relationship diagram for the application domain. Entity-relationship diagram is the data model of this domain. It is ...

An entity-relationship diagram (ERD) is a visual tool that helps you design and document the structure and relationships of a database. It shows the entities (such as tables, objects, or concepts ...

Relationships and entity relationship diagrams A table in a database holds the attributes for one entity only . Data can then be added in the form of records .

Spread the loveAn entity-relationship diagram (ERD) is a visual representation of data that describes the relationships among entities in a database. It is used in database design to illustrate the ...

Abstract Entity relationship diagram (ERD) is one of the most widely used technique for data modeling. An ERD developed during the conceptual data modeling phase of the database development process is ...