A Binary One-To-Many Relationship in an E-R Diagram Is Best

question 47

Multiple Choice

A binary one-to-many relationship in an E-R diagram is best represented by:

• A)the creation of a separate relation;the primary key of this new relation is a composite key consisting of the primary key for each of the two entities in the relationship
• B)adding the primary key attribute (or attributes)of the entity on the one side of the relationship as a foreign key in the relation that is on the many side of the relationship
• C)adding the primary key attribute (or attributes)of the entity on the many side of the relationship as a foreign key in the relation that is on the one side of the relationship
• D)creating a relation with a composite primary key and nonkey attributes

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Definitions:

Verbal Communication

The use of spoken words to convey messages, thoughts, or information between individuals.

Pitch

A term often used in music and acoustics to describe the perceived frequency of a sound, affecting how high or low it sounds.

Timing

The selection, judgment, or control of when something should happen or be done.

Active Listening

A technique of listening with all senses, as a way to ensure understanding, empathy, and engagement during communication.