Distinguish Between the Primary Key and a Candidate Key

question 91

Essay

Distinguish between the primary key and a candidate key.

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Definitions:

Conceptus

The embryo or fetus and the associated membranes and structures from conception until birth.

Healthy Fetus

A fetus developing with all vital signs and milestones within the expected ranges for its gestational age, indicating good health and low risk of birth complications.

Mother's Womb

The uterus, an organ in a woman's body where a baby develops and grows during pregnancy.

Hegar's Sign

A medical sign often used in early pregnancy, indicating the softening of the lower uterus.