What properties apply to each attribute?UniqueSingularPluralOptionalRequiredCampusNameAddressCampusCampusName M-1(1)Address 1-1(1)
Question
What properties apply to each attribute?
- Unique
- Singular
- Plural
- Optional
- Required
Campus
- Name
- Address
Campus
- CampusName M-1(1)
- Address 1-1(1)
Solution
The properties that apply to each attribute are as follows:
-
CampusName: This attribute is Unique and Singular. It is also Required, meaning that every campus must have a name.
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Address: This attribute is also Unique and Singular. It is Required as well, meaning that every campus must have an address.
-
Campus: This attribute is Plural, meaning that there can be multiple campuses. It is Optional, meaning that it is not necessary for every campus to have this attribute.
-
CampusName M-1(1): This attribute is Unique and Singular. It is also Required, meaning that every campus must have a name. The M-1(1) indicates a many-to-one relationship, meaning that many campuses can have the same name.
-
Address 1-1(1): This attribute is Unique and Singular. It is also Required, meaning that every campus must have an address. The 1-1(1) indicates a one-to-one relationship, meaning that each campus can have only one address.
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