Converting a One-To-One Binary Relationship into a Relational Database from an E-R

question 23

Multiple Choice

Converting a one-to-one binary relationship into a relational database from an E-R diagram ____.

• A) can be done by placing the unique identifier of one of the tables into the other
• B) can be done by creating a single table that combines the attributes of the two entities
• C) requires the creation of an additional table beyond the two that represent the two entities in the relationship
• D) a & b above
• E) a & c above

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Definitions:

Structure

The arrangement or organization of parts to form an organism, system, or object, often determining its function and nature.

Physiology

The science that deals with the functions and processes of living organisms and their parts.

Homeostasis

The method through which living beings keep a consistent inner state regardless of variations in the outside world.

Protons

Positively charged subatomic particles found within the nucleus of an atom.