Which of the Following Is True When Representing a 1:1

question 15

Multiple Choice

Which of the following is true when representing a 1:1 binary relationship using the relational model?

• A) The key of the entity with the highest minimum cardinality must be placed in the other entity as a foreign key.
• B) The key of each entity must be placed in the other as a foreign key.
• C) The key of either entity is placed in the other as a foreign key.
• D) The key of the entity with the most attributes must be placed in the other entity as a foreign key.
• E) Both entities must have the same primary key.

---

Definitions:

Informed Consent

A formal acknowledgment by research subjects (respondents) that they understand the purpose of the research and agree to be studied.

U.S. Government

A system of governance in the United States that is defined by the Constitution and composed of three branches: the legislative, executive, and judicial branches, which function to create, enforce, and interpret laws, respectively.

American Sociological Association

A professional association for sociologists in the United States, dedicated to advancing sociology as a scientific discipline and profession.

Validity

The degree to which a research study accurately reflects or assesses the specific concept that the researcher is attempting to measure.