The _____Statement in SQL Combines Rows from Two Queries and Returns

question 18

Short Answer

The _____statement in SQL combines rows from two queries and returns only the rows that appear in the first set but not in the second.

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Definitions:

Maternal Blood Test

A medical test performed on a pregnant woman's blood to assess her health and the health of her unborn child.

Sickle-cell Anemia

A genetic blood disorder characterized by red blood cells that assume an abnormal, rigid, sickle shape, leading to complications like pain, infections, and anemia.

Amniocentesis

A medical procedure used to sample amniotic fluid from the womb to test for genetic abnormalities in the fetus.

Fetal Biopsy

A medical procedure where a small sample of tissue is taken from the fetus to test for abnormalities or diseases.