If Order Number Serves as the Primary Key in the Order

question 40

Multiple Choice

If order number serves as the primary key in the order relation and also appears as a nonkey attribute in the invoice relation, then order number is said to be a:

• A) foreign key.
• B) candidate key.
• C) pointer.
• D) relationship key.
• E) marker.

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Definitions:

Rational Risk Factors

Factors based on economic theory that affect asset prices and can predict future investment returns, assuming that market participants act rationally.

Value Premium

The excess returns that investors may earn by holding stocks that are considered undervalued compared to their fundamentals.

Market Irrationality

Occurrences when financial markets make movements that are inconsistent with the underlying economic fundamentals, sometimes leading to asset price bubbles or crashes.

Rational Risk Premia

The additional return required by investors for taking on additional risk in a rational and calculated manner.