____________________ Is the Rule That the Primary Key Cannot Be

question 35

Short Answer

____________________ is the rule that the primary key cannot be null.

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Definitions:

Price Elasticity of Demand

A measure of the responsiveness of the quantity demanded of a good to a change in its price.

Bushel of Wheat

A unit of measure for volumes of dry commodities, typically used in agriculture for wheat, equivalent to approximately 35.24 liters.

Vertical Axis

In a graph or chart, the y-axis, which is perpendicular to the horizontal axis and usually represents the dependent variable in an equation or data set.

Market for Coffee

The global or local marketplace in which coffee, as a commodity, is traded among buyers and sellers.