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:

Overdose

The ingestion or application of a substance in quantities greater than are recommended or generally practiced, leading to a serious or lethal toxic state.

Heroin

An opiate drug processed from morphine that is illegal in many countries, known for its potent addictive properties and euphoric effects.

Conditioned Opposing Response

A response that opposes the unconditioned response to a stimulus, often developed through the conditioning process to mitigate the effects of the conditioned stimulus.

Secondary A2 Component

A component that is not primary but serves as an additional or supplementary element in various systems or models.