42+ Design Relational Model Diagram Example Download Zip Gif. Systems it is very common to generate a relational schema with. The purpose of er diagram is to represent the.
An er model is a design or blueprint of a database that can later be implemented as a database.
In the following er diagram we have two entities student and college and these two. We think you have liked this presentation. Systems it is very common to generate a relational schema with. Enroll (sid, cid) sid is a key of student cid is a key of course an enroll tuple.