When Duplicate Field Names Exist in a Database, You Need

question 116

Multiple Choice

When duplicate field names exist in a database, you need to indicate the field to which you are referring. You do so by writing both the table name and the field name separated by a ____.

• A) samma
• B) period
• C) semisalon
• D) salon

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Definitions:

Portfolio's Sigma

Portfolio's Sigma, often synonymous with standard deviation, quantifies the overall risk or volatility of a portfolio, indicating how its returns can vary from the expected return.

Single Index Model

A financial model that describes the return of a stock as a function of the return of a market index, plus a residual unique to the stock.

Actual Return

The real return an investor receives on an investment, factoring in all gains, losses, dividends, and interest.

Risk-Free Rate

The rate of return on an investment with no risk of financial loss, often represented by the yield on government securities.