For a Unary One-To-One Relationship Between Two Entities a and B,the

question 120

Multiple Choice

For a unary one-to-one relationship between two entities A and B,the relationship is represented by:

• A)adding the primary key of A as a foreign key of B
• B)adding the primary key of B as a foreign key of A
• C)combining the two entities into one relation
• D)either A or B

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Definitions:

Cervical Mucus Method

A contraceptive method using a woman’s cervical mucus to determine ovulation.

Menstrual Cycles

The regular natural change that occurs in the female reproductive system that makes pregnancy possible, typically lasting about 28 days.

Family Planning

The practice of controlling the number and spacing of offspring through the use of contraception or fertility control.

Vas Deferens

The duct through which sperm travels from the testicle to the urethra, essential for the delivery of male gametes to the female reproductive tract.