Related Questions

In which of the following is a single-entity instance of one type related to many entity instances of another type?
Which type of entity cannot exist in the database unless another type of entity also exists in the database, but does not require that the identifier of that other entity be included as part of its own identifier?
Which type of entity is related to two or more associated entities that each contain specialized attributes that apply to some but not all of the instances of the entity?
Which type of entity has its relationship to another entity determined by an attribute in that other entity called a discriminator?
Which of the following refers to an entity in which the identifier of one entity includes the identifier of another entity?
An ID-dependent entity is an entity whose identifier is a composite identifier where no portion of the composite identifier is an identifier of another entity.
In which of the following is a single-entity instance of one type of related to a single-entity instance of another type?
A strong entity is an entity whose existence depends on some other entity type.
It is appropriate to use a supertype/subtype relationship when there are attributes that apply to some of the instances of an entity type.
When the minimum and maximum number of instances of an entity is one, you know which of the following?