Explain the Significance of Using N:M and Not N:N to Describe

question 81

Essay

Explain the significance of using N:M and not N:N to describe many-to-many entity relationships.

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Definitions:

Mean Salary

The average amount of money earned by employees in a specific job, industry, or region, calculated by summing all salaries and dividing by the number of employees.

Standard Error

An estimate of the statistical accuracy of an estimate, showing how much the sample mean is expected to vary from the true population mean.

Poker Time

A casual term possibly referring to a designated period dedicated to playing poker, not an established key term in a technical or academic sense.

Standard Deviation

A measure that is used to quantify the amount of variation or dispersion of a set of values.