Database - Data Modeling with ER Model
Exercise : Data Modeling with ER Model - General Questions
- Data Modeling with ER Model - General Questions
- Data Modeling with ER Model - True or False
16.
In which of the following is a single-entity instance of one type of related to a single-entity instance of another type?
17.
Entities can be associated with one another in which of the following?
18.
Which type of entity has its relationship to another entity determined by an attribute in that other entity called a discriminator?
19.
Which type of entity represents a logical generalization whose actual occurrence is represented by a second, associated entity?
20.
In a one-to-many relationship, the entity that is on the many side of the relationship is called a(n) ________ entity.
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