Which of the Following Is False Regarding a Well-Structured Relational

question 68

Multiple Choice

Which of the following is false regarding a well-structured relational database?

• A)A foreign key cannot be null.
• B)A primary key cannot be null.
• C)Every column in a row must be single valued.
• D)All nonkey attributes in a table must describe a characteristic of the object identified by the primary key.

---

Definitions:

Generalization

The process by which a response is learned in one situation extends to different but similar situations, often discussed in the context of learning and behavior modification.

Institutional Contingency Management

A behavioral strategy that employs reinforcement or punishment within institutional settings to promote desired behaviors.

Competency

A measure of an individual's ability to perform a task or job effectively, based on skills, knowledge, and abilities.

Token Economies

A behavioral therapy technique where desired behaviors are reinforced with tokens that can be exchanged for privileges or treats.