A Relation Describes the Structure,content,and Access Controls of a Physical

question 28

True/False

A relation describes the structure,content,and access controls of a physical data store or database.​

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Definitions:

Fixed Expenses

These are costs that do not change with the level of production or sales, such as rent, salaries, and insurance.

Return On Investment

A measure used to evaluate the efficiency of an investment or compare the efficiencies of several different investments.

Residual Income

The amount of income that an entity has after all costs and expenses, including the cost of capital, have been deducted.

Return On Investment

A measure of the profitability of an investment, calculated by dividing the gain from the investment by the cost of the investment.