Entity Relationship Diagrams Are _______________ of the Various Files and Their

question 77

Short Answer

Entity Relationship Diagrams are _______________ of the various files and their relationships within a database system.

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Definitions:

Marathon Runners

Athletes who participate in long-distance running events, typically 26.2 miles or 42.195 kilometers in length.

Standard Deviation

An indicator that quantifies the spread or diversity among data set values, showing the degree to which these values deviate from the average.

Mean

The arithmetic average of a set of numbers, calculated by adding up all the values and dividing by the number of values.

Pounds

A unit of weight commonly used in the United States and the United Kingdom, equivalent to 0.453592 kilograms.