Download Design Difference Between Er Model And Relational Model In Dbms Example Download Zip Background. Er model is good for designing databases as its easier to represent, but we should use relational model to setup our database. After designing the conceptual model of database using er diagram, we need to convert the conceptual model in the relational model which can be implemented using any rdmbs.
this model for example,'enrolled in' is a relationship type that exists between entity type student and course.
Operations on these rows and columns manipulating required data. Refining the er design for the company database. In er diagram, relationship type is represented. Relational model was proposed by e.f.