Asking System Users and Business Managers "How Many Instances of Each

question 159

Multiple Choice

Asking system users and business managers "How many instances of each object might exist?" would help determine:

• A) the data entities and their descriptions.
• B) the candidate key.
• C) attributes and secondary keys.
• D) relationships and their cardinality and degrees.
• E) integrity rules, minimum and maximum cardinality, and time dimensions of data.

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Definitions:

Organic Chemicals

Compounds containing carbon that are found in or produced by living organisms.

Ozone Depletion

The thinning and reduction of the ozone layer in the Earth's atmosphere, primarily caused by the release of chemical compounds containing bromine and chlorine.

Agricultural

Relating to the science, art, and practice of cultivating land, producing crops, and raising livestock.

Biodiversity

The variety of life in the world or in a particular habitat or ecosystem, including species diversity, genetic diversity, and ecosystem diversity.