When Selecting an Identifier,one Should

question 47

Multiple Choice

When selecting an identifier,one should:

• A)use intelligent keys
• B)use large composite keys instead of single-attribute surrogate keys
• C)choose a candidate key that will not change its value over the life of each instance of the entity type
• D)choose a candidate key such that for each instance of the entity,the attribute is guaranteed to have valid values or is null

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Definitions:

Interpretations Awareness

The understanding and consideration of the various meanings that can be attributed to behaviors, symbols, or actions.

Self-Exploration

The process of examining one's own thoughts, feelings, and behaviors to gain insight and understanding of oneself.

Discrepant Viewpoints

Refers to differing or conflicting perspectives, opinions, or positions on a particular issue or topic.

Assertive Confrontation

A communication technique that involves directly addressing issues or concerns in a confident and respectful manner.