The "____" characteristic of a primary key states that:
The PK must uniquely identify each entity instance.A primary key must be able to guarantee unique values.It cannot contain nulls.
A) unique values
B) nonintelligent
C) preferably single-attribute
D) security complaint

Question

Quizplus · Accepted Answer

The "unique values" characteristic of a primary key states that it must uniquely identify each entity instance and guarantee unique values. It cannot contain nulls. The other options (B, C, and D) are also characteristics of a good primary key, but they are not the most important or defining.

The "____" Characteristic of a Primary Key States That