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These concepts are explained below. Entity ? An entity in an ER Model is a real-world entity having properties called attributes. Every attribute is defined by its set of values called domain. Relationship ? The logical association among entities is called relationship. 24 Jan 2018 DBMS - Entity Relationship Diagram - DBMS Entity Relationship Diagram - DBMS video tutorials - Introduction, Database System Applications, Database 19 Sep 2018 ER Diagram tutorial covering everything you need to learn about entity relationship diagrams. Learn about ER diagram symbols, how to drawDBMS ER Model Basic Concepts - Learn DBMS in simple and easy steps starting from its overview, Architecture, data models, data schemas, data 24 Jan 2018 ER Diagram Representation - Learn DBMS in simple and easy steps starting from its overview, Architecture, data models, data schemas, data independence, 24 Jan 2018 An Entity–relationship model (ER model) describes the structure of a database with the help of a diagram, which is known as Entity Relationship Diagram. 27 Nov 2013