A Database Schema Is Used to ________

question 17

Multiple Choice

A database schema is used to ________.

• A) graphically document the data model
• B) record the details of the fields in a table
• C) create a backup of the database
• D) identify redundant information in the database

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Definitions:

Midrange

A statistical measure that represents the halfway point between the smallest and largest values in a dataset.

Population Mean

The average of a set of characteristics or values within an entire population.

Midrange

The statistical measure calculated by adding the highest and lowest values in a dataset and then dividing by two, indicating the midpoint of the data range.

Variance

A measure of the dispersion or spread of a set of data points around their mean value, indicating how much the data points differ from the average.