The "____" Characteristic of a Primary Key States That

Multiple Choice

The "____" characteristic of a primary key states that:
The selected primary key must not be composed of any attribute(s) that might be considered a security risk or violation.For example,using a Social Security number as a PK in an EMPLOYEE table is not a good idea.

A) unique values
B) nonintelligent
C) preferably single-attribute
D) security compliant