Consider an Association Between a Customers Class and a Sale

question 51

Multiple Choice

Consider an association between a Customers class and a Sale class in a Unified Modeling Language (UML) Class diagram.The multiplicities next to the Customers class are 1..1 and the multiplicities next to the Sale class are 0..*.Which of the following is the best way to implement that association in your database?

• A)Post the primary key of Customers as a foreign key in Sales.
• B)Post the primary key of Sales as a foreign key in Customers.
• C)Create a linking table.
• D)None of these choices are correct.

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Definitions:

Standard Deviation

A measure of the amount of variation or dispersion of a set of values, used in statistics to quantify the degree of difference from the average.

Beta

A metric indicating the level of fluctuation or inherent risk in a security or portfolio relative to the overall market.

Market Risk

The potential for investors to lose money due to fluctuations in market prices.

Beta

A measure of a stock's volatility in relation to the overall market; a beta greater than 1 indicates that the stock is more volatile than the market.