Database Design Using Entityrelationship Diagrams. Our custom essay writing service features. An er model is typically implemented as a database.
Er diagrams can work as a documentation to make others understand the core of the database. Different shapes at the ends of these lines represent the cardinality of the relationship. Awesome job by the writer.
A patient can make many appointments with one or more doctors in the clinic and a doctor can accept appointments with many patients.
An er model is typically implemented as a database. A patient can make many appointments with one or more doctors in the clinic and a doctor can accept appointments with many patients. Crows foot notation is used in barkers notation structured systems analysis and. National university of singapore.