A(n)____________________ Is a Pointer to a Row in the Collection

question 66

Short Answer

A(n)____________________ is a pointer to a row in the collection of rows retrieved by an SQL command.

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Definitions:

Consumer Surplus

The difference between what consumers are willing to pay for a good or service and what they actually pay, representing the extra satisfaction or utility gained.

Market Price

is the current price at which a product, security, or commodity can be bought or sold in a marketplace.

Value

An individual’s value for a good or service is the amount of money he or she is willing to pay for it.

Law of Diminishing Marginal Value

, also known as the Law of Diminishing Marginal Utility, states that as a person consumes more of a product, the satisfaction or utility from consuming each additional unit declines.