In a Hierarchical Model

question 1

Multiple Choice

In a hierarchical model

• A)links between related records are implicit
• B)the way to access data is by following a predefined data path
• C)an owner (parent) record may own just one member (child) record
• D)a member (child) record may have more than one owner (parent)

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Definitions:

Classical Approach

usually refers to traditional methods or theories in various fields, relying on established practices and principles that have been validated over time through consistent application and success.

Necessary

Required to be done, achieved, or present; needed; essential.

Sufficient Features

Characteristics or aspects of something that are enough to define, categorize, or identify it distinctly.

ACT Models

Refers to a family of cognitive models, including the Adaptive Control of Thought, which aim to explain how humans think, learn, and solve problems.