To Represent the Attributes or Fields in a Relation,database Analysts

question 73

Multiple Choice

To represent the attributes or fields in a relation,database analysts use a simple notation,called a(n) ____.

• A)schema
• B)catalog
• C)tuple
• D)index

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Definitions:

Sample Statistics

Statistics calculated from a sample and used to estimate parameters of the total population.

Exclusive Range

A range of values that does not include the upper and lower bounds specified.

Scores

Quantitative measurements or evaluations used to reflect the performance, ability, or other attributes of an individual or entity.

Standard Deviation

A measure that quantifies the variation or dispersion of a set of data points around their mean, indicating how spread out the data points are.