An Attribute That Appears as a Nonkey Attribute in One

question 303

Multiple Choice

An attribute that appears as a nonkey attribute in one relation and as a primary key attribute (or part of a primary key) in another relation is a:

• A) foreign key.
• B) candidate key.
• C) pointer.
• D) relationship key.
• E) marker.

---

Definitions:

Scientific Method

A systematic, empirical approach to research in which a problem is identified, relevant data are gathered, a hypothesis is formulated based on the data, and the hypothesis is empirically tested.

Violent Cartoons

Animated content that features aggressive and often harmful behaviors, raising concerns about its impact on viewers, especially children.

Hypothesis

A proposed explanation made on the basis of limited evidence as a starting point for further investigation.

Replication

Replication is the process of repeating a study or experiment to verify its results and ensure its reliability and accuracy.