37+ E R Diagram Examples Gif. An entity relationship diagram (erd) shows the relationships of entity sets stored in a database. An entity set is a group of similar entities and these entities can have attributes.
Entity Relationship Diagram (ERD) - What is an ER Diagram? from wcs.smartdraw.com An entity in this context is an object, a component of data. You can customize the diagram according to your needs. For example, address attribute of student entity.
For example, in a university database, we might have entities for students, courses, and lecturers.
For example, student attends a class: Er diagram or entity relationship diagram is a conceptual model that gives the graphical representation of the logical structure of the database. An entity relationship diagram (erd), is a structural diagram that allows your team to portray relationships between actors in a system. Ba (entity) teaches (relationship) the database systems course (entity).
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