Get Design Mapping From Er Model To Relational Model Example Download Zip Background. Er model used for mapping some entity types do not have a pk on their own. As we all know that er model can be represented using er diagrams which is a great way of designing and representing the database design in more of a flow chart form.
Er models are readily translated to relations.
Relational model represents how data is stored in database in the form of table. After the er diagram is obtained, instead of the relational database model, we can also map the er diagram into er schema diagram for the company database: Translate the conceptual design into a logical database design that can be implemented on a chosen dbms later • input: Er diagrams really are a aesthetic instrument which can be important to represent the er design.