Two or More Primary Keys of Other Database Tables That,together,become

question 87

Multiple Choice

Two or more primary keys of other database tables that,together,become the unique identifier or primary key of an M:N relationship table are called

• A)two attributes keys.
• B)concatenated keys.
• C)connecteated keys.
• D)conjoined keys.

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Definitions:

Sperm

Male reproductive cells that are necessary for fertilization of the female ovum.

Motility

The ability of an organism or fluid to move spontaneously and actively, consuming energy in the process.

Chorionic Villi Sampling

A prenatal test that involves taking a sample of the chorionic villi from the placenta to test for chromosomal abnormalities in the fetus.

Pregnancy

The condition or period of being pregnant, where an embryo or fetus develops inside the uterus over about forty weeks from the last menstrual period.