Which of the Following Is True of a Data Model

question 44

Multiple Choice

Which of the following is true of a data model?

• A)It is created after the database is designed.
• B)It is a logical representation of the structure of data.
• C)It is an attribute whose value is associated with only one entity instance.
• D)It does not describe the relationships among data.

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Definitions:

Internal Rate of Return (IRR)

The discount rate that makes the net present value (NPV) of all cash flows from a particular project equal to zero.

Initial Investment

The initial amount of money required to start a project, investment, or business, often used to assess its feasibility and potential return.

Negative Cash Flow

A situation where a business or individual's outflows of cash exceed their incoming cash, indicating potential financial trouble.

Modified Internal Rate of Return (MIRR)

A financial metric that measures the profitability of an investment, taking into account the cost of capital and the reinvestment of cash flows.