The Purpose of the E-R Model Is to Help Database

question 29

Multiple Choice

The purpose of the E-R model is to help database designers:

• A)Identify data redundancies
• B)Create databases in third normal form
• C)Design databases and depict data relationships

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Definitions:

360-Day Year

An accounting convention that simplifies interest calculation by assuming all months have 30 days.

Maturity Date

The date on which the principal amount of a loan, bond, or other financial instrument becomes due and payable.

Leap Years

Years that include an extra day (February 29) to keep the calendar year synchronized with the astronomical year.

Leap Years

Years with an extra day (February 29) added to keep the calendar year synchronized with the astronomical year or seasonal year.