A Key Is a Data Structure Used to Determine the Location

question 39

True/False

A key is a data structure used to determine the location of rows in a file that satisfy some condition.

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Definitions:

Positive Linear Relationship

A relationship in which one variable increases as the other variable also increases, represented by a straight line with a positive slope.

Sodium

A chemical element, symbol Na, a highly reactive metal and an essential nutrient for human health.

Calories

A measure of energy in food, technically defined as the amount of heat needed to raise the temperature of one kilogram of water by one degree Celsius.

Scatter Diagram

A graphical representation of data points for two variables in a dataset, used to investigate the possible relationship between them.