Which of the Following Is True About the Database Development

question 100

Multiple Choice

Which of the following is true about the database development process?

• A) The easiest time to change the database structure is during the data modeling stage.
• B) Changing a relationship from 1:N to N:M in an existing database is simply a matter of changing notations.
• C) User review of the data model is avoided as it is not helpful in data modeling.
• D) A database is a model of how the developers view their business world.

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Definitions:

External

Originating from or situated on the outside of an entity, not inherent or contained within it.

Stable

Characterized by consistency, reliability, and resistance to change or disorder.

Unstable

Characterized by a lack of stability, unpredictability, or being prone to sudden change.

Goal-Related Thinking

is the cognitive process involved in setting, pursuing, and achieving personal objectives.