Which of the Following Is NOT True About the Differences

question 2

Multiple Choice

Which of the following is NOT true about the differences between REA and ER diagrams?

• A)ER diagrams do not have events.
• B)REA diagrams do not show cardinalities.
• C)In an REA diagram,entities are sorted into separate columns.
• D)Both REA and ER diagrams show relationships.

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Definitions:

Birth Control Pills

Hormonal medications taken orally by women to prevent ovulation and thereby avoid pregnancy.

Abstinence

The practice of refraining from some or all aspects of sexual activity for medical, psychological, legal, social, financial, philosophical, or religious reasons.

Condoms

Barrier forms of contraception made of latex, polyurethane, or lambskin that cover the penis during sexual activity to prevent pregnancy and reduce the risk of sexually transmitted infections.

Contraception

Methods or devices used to prevent pregnancy as a result of sexual intercourse.