Entity integrity requires that the
A) foreign key exists as a primary key in the related table.
B) primary key exists as a foreign key in the related table.
C) primary key cannot be null.
D) primary key cannot be unique.

Question

Quizplus · Accepted Answer

Entity integrity is ensured by making sure that every table has a primary key and that this key is unique and not null for every row in the table.

Entity Integrity Requires That the