In a Relational Database,the Three Basic Operations Used to Develop

question 98

Multiple Choice

In a relational database,the three basic operations used to develop useful sets of data are:

• A)select,project,and where.
• B)select,join,and where.
• C)select,project,and join.
• D)where,from,and join.
• E)where,find,and select.

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Definitions:

Standard Deviation

A statistical measure of the dispersion or variability in a dataset, often used in finance to quantify the risk of an investment.

Normally Distributed

A statistical term describing a distribution of data where most of the observations cluster around the mean, forming a bell-shaped curve.

Annual Return

The percentage change in the value of an investment over a one-year period, including dividends, interest, and capital gains.

Standard Deviation

A statistical measure that quantifies the amount of variation or dispersion of a set of data values from their mean.