Which of the Following Is Not a Criterion for Selection

question 29

Multiple Choice

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.

---

Definitions:

Basic Themes

Fundamental or core ideas, topics, or subjects that recur throughout a particular field of study or discourse.

Problem Example

An instance or scenario used to illustrate a particular issue, challenge, or question, often employed as a teaching method to stimulate critical thinking and problem-solving skills.

Gagne's Nine Events

A sequence of instructional design steps proposed by Robert Gagne to support effective learning, from gaining attention to enhancing retention and transfer.

Event Of Instruction

Critical moments or interactions in the educational process that significantly impact learning outcomes.