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. What kind of relationship will be developed?

A

One$-$to$-$many with a modality of not null

Many$-$to$-$many with a modality of not null

Many$-$to$-$many with a modality of null

D

One$-$to$-$one with a modality of null