The Main Concept of Relational Databases Was Published in 1970

question 100

Multiple Choice

The main concept of relational databases was published in 1970 by:

• A) Itzak Ben-Gan.
• B) Hoffer.
• C) Mills.
• D) E.F.Codd.

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Definitions:

Dollar Change

The absolute difference in the value of a financial instrument, currency or commodity's price from one period to another.

Dividend-Payout Policies

Strategies a company uses to decide the portion of profits it will distribute to shareholders as dividends versus retaining for reinvestment.

Dividend Yield

A financial ratio that shows how much a company pays out in dividends each year relative to its stock price.

Volatility

A statistical measure of the dispersion of returns for a given security or market index, indicating the degree of variation from the average.