The _______________ Model Is the Most Widely Used Database Structure

question 61

Multiple Choice

The _______________ model is the most widely used database structure today.

• A) network
• B) object-oriented
• C) relational
• D) hierarchical

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Definitions:

Probability Distribution

A function in mathematics that determines the probability of each potential outcome in an experiment.

Expected Value

The anticipated value or outcome of a variable, computed as an average of all possible outcomes each weighted by its respective probability of occurrence.

Coefficient Of Variation

A statistical measure used to analyze the relative variability of data points in a dataset or the risk per unit of return; it is the ratio of the standard deviation to the mean.

Well-Diversified Portfolio

An investment portfolio consisting of a wide variety of assets to reduce exposure to risk through diversification.