In a DDBMS,query ____________________ Is Used to Find the Best

question 18

Short Answer

In a DDBMS,query ____________________ is used to find the best access strategy.

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Definitions:

Marginal Revenue Product

The additional revenue generated from hiring one more unit of labor or other input.

Complementary Inputs

Goods or services that are used together in production and whose use is interconnected, such that an increase in demand for one increases the demand for the other.

Marginal Physical Product

The marginal physical product is the change in output resulting from employing one more unit of a particular input, holding other inputs constant.

Substitution Effect

The change in consumption patterns due to a change in the relative prices of goods, leading consumers to replace more expensive items with cheaper alternatives.