For the Following Entity-Relationship Diagram, What Could the Primary Key

question 34

Multiple Choice

For the following entity-relationship diagram, what could the primary key be in the Grade entity?

• A) Primary key in Student entity
• B) Primary key in Course entity
• C) Its own primary key.
• D) Primary key made up of the primary keys in Student entity and Course entity
• E) It doesn't need a primary key.

---

Definitions:

British Goods

Products manufactured in Britain, ranging from industrial goods to cultural items, and historically significant in global trade.

Pokanoket Indians

A Native American tribe from the northeastern United States, closely associated with the Wampanoag Confederacy.

False Sense of Security

A misleading feeling of being safe or secure, often due to unawareness of potential dangers or overestimation of protective measures.