The Following SQL Statement Contains What Type of Subquery? SELECT

question 65

Multiple Choice

The following SQL statement contains what type of subquery? SELECT b.title, b.retail, a.category, a.cataverage
FROM books b, (SELECT category, AVG(retail) cataverage
FROM books GROUP BY category) a

• A) single-row subquery
• B) multiple-row subquery
• C) inline view
• D) none of the above

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Definitions:

Cobalt Treatment

A form of radiotherapy using gamma rays from cobalt-60 to treat conditions such as cancer.

Radiation Absorbed Dose

A measure of the amount of radiation energy absorbed by an object or person, expressed in Grays (Gy).

Rad

An abbreviation for "radical," often used in chemistry to describe highly reactive molecules with unpaired electrons; colloquially, used to express that something is excellent or cool.

Contrast Medium

A substance used in medical imaging to improve the contrast of structures or fluids within the body, enhancing the visibility of blood vessels, gastrointestinal tract, and other areas during radiographic procedures.