Jack Is Developing an ERD for a Small Dental Practice

question 22

Multiple Choice

Jack is developing an ERD for a small dental practice office patient record system.The dental practice has three dentists,six hygienists,and many patients.A patient is always assigned to the same dentist for all appointments.In particular,he is working on the relationship between dentists and patients.Should it be:

• A)1 to 1,with a modality of null
• B)1 to many with a modality of not null
• C)Many to many with a modality of null
• D)Many to many with a modality of not null
• E)1 to many with a modality of null

---

Definitions:

Loyalist

A person who remained loyal to the British Crown during the American Revolutionary War, often facing social ostracism or fleeing to British territories as a result.

Yeoman Farmer

A term traditionally used to describe a small landowner or farmer who worked their land independently, primarily in historical contexts.

Anglican Clergyman

A priest or minister in the Anglican Church, which is a tradition within Christianity comprising churches with historical connections to the Church of England.

Patriot

A person who vigorously supports their country and is prepared to defend it against enemies or detractors.