Which of the following is not a criterion for selection of a primary key?
A)The primary key cannot be NULL (blank).
B)The primary key should be controlled by the organization assigning it.
C)Primary keys with sequential values make it easier to spot gaps in the data.
D)The primary key should always be numeric.

Question

Quizplus · Accepted Answer

The primary key does not have to always be numeric. It can be alphanumeric or any other type of data as long as it uniquely identifies each record in the table. The other criteria listed (non-null, assigned by organization, and helpful for identifying gaps) are all important for selecting a primary key.

Which of the Following Is Not a Criterion for Selection