If a Relationship Exists Among Three or More Entities,then

question 122

Multiple Choice

If a relationship exists among three or more entities,then:

• A)recursive relationships must be established through the use of recursive foreign keys
• B)a separate relation with a primary key that is the composite of the primary keys of each of the participating entities is created
• C)separate relations are established for each class and for each of the subclasses
• D)use the primary key of relation A as a foreign key in relations B and C

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Definitions:

M2

A measure of the money supply that includes all elements of M1 (cash and checking deposits) plus savings deposits, money market mutual funds, and other time deposits.

M1

A segment of the money supply encompassing all tangible currency, such as bills and coins, in addition to demand deposits, checking accounts, and negotiable order of withdrawal (NOW) accounts.

Credit Cards

Credit cards are payment cards issued to users to enable the cardholder to pay a merchant for goods and services, based on the cardholder's promise to the card issuer to pay them for the amounts plus other agreed charges.

Checkable Deposits

Bank account balances that can be drawn upon by writing a check or using a debit card, functioning as money for everyday transactions.