Which of the Following Is NOT True of Packaged Data

question 70

Multiple Choice

Which of the following is NOT true of packaged data models?

• A) Relationships are connected to the highest-level entity type in an order that makes sense.
• B) All subtype/supertype relationships follow the total specialization and disjoint rules.
• C) No entities on the many side of a relationship can be weak.
• D) Both B and C.

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Definitions:

Base Level

The lowest point to which erosion by running water can lower the landscape, ultimately the sea level or lake level where rivers end.

Base Level

The lowest point to which a river can erode its channel, often sea level for rivers that flow directly into the oceans, but can be a lake or resistant rock layer for other rivers.

Mouth

The part of a river where it flows into another body of water, such as a lake, sea, or ocean.

Tectonics

The study of the structure and movement of the Earth's crust and its large-scale processes such as earthquakes, mountain building, and plate movements.