What Result Set Is Returned from the Following Query? Select

question 91

Multiple Choice

What result set is returned from the following query? Select Customer_Name, telephone
From customers
Where city in ('Boston','New York','Denver') ;

• A) The Customer_Name and telephone of all customers
• B) The Customer_Name and telephone of all customers living in either Boston, New York or Denver
• C) The Customer_Name and telephone of all customers living in Boston and New York and Denver
• D) The Customer_Name of all customers living in Boston, New York or Denver

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Definitions:

Standard Deviation

A statistical measure of the dispersion or variability of a set of values, often used to quantify the risk associated with a particular investment or portfolio.

Optimal Risky Portfolio

According to modern portfolio theory, this portfolio provides the maximum expected return for a specific risk level or minimizes the risk for a set expected return.

Standard Deviation

A measure of the amount of variation or dispersion of a set of values, commonly used in finance to quantify the risk associated with a given investment.

Perfectly Negatively Correlated

A situation in which two variables move in opposite directions with a correlation coefficient of -1, implying that when one variable increases, the other decreases.