When Using the Relational Model to Represent Data, One Must

question 30

Multiple Choice

When using the relational model to represent data, one must ________.

• A)add a foreign key to one of the tables
• B)have more than ten tables in the model
• C)establish only N:M relationships between tables
• D)use metadata instead of foreign keys

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Definitions:

Expected Rate

The forecasted or anticipated rate of return on an investment or the future rate of interest on a loan.

Standard Deviation

A statistical measure that quantifies the amount of variation or dispersion of a set of data values around the mean.

Budget Line

A visual depiction of every potential mix of two items that can be bought at specific prices and under a set budget.

Expected Rate

The predicted average rate of return or growth, based on historical data or statistical analysis, applicable to investments or economic variables.