If an Entity Has Three Unique Attributes,how Many Primary Keys

question 79

Multiple Choice

If an entity has three unique attributes,how many primary keys will its mapped relation have?

• A)0
• B)1
• C)2
• D)3

---

Definitions:

Top-down Communication

An organizational communication flow where information and directives come from higher levels of the hierarchy to lower levels.

Ethically

Acting in a manner that is consistent with what is considered morally right or acceptable.

Grammar

The set of rules and principles that govern the structure of sentences in a language.

Narratives

Stories, descriptions, or accounts that detail a sequence of events, often used to communicate ideas, experiences, or values.