22+ Design Primary Key Er Diagram Example Download Zip Pics. !define table(name,desc) class name as desc << (t,#ffaaaa) >>. ' we use bold for primary key.
Well, you might not really use them while you are designing relevant er diagrams.
Well, you might not really use them while you are designing relevant er diagrams. Previous questionwhat is a weak relationship provide an example? The entities in the er for example, an inventory software used in a retail shop will have a database that. • add the primary key attribute (or attributes) of the entity on the one side of the relationship as a foreign key in.