Using SQL Commands,multiple Tables Can Be Queried So That All

question 95

Short Answer

Using SQL commands,multiple tables can be queried so that all the values from one table appear in the results,regardless of whether they have one or more corresponding values in the other table,by using the SQL ________ command.

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Definitions:

Positron-Emission Tomography

A diagnostic imaging test that uses a radiotracer to visualize and measure changes in metabolic processes and in other physiological activities including blood flow, regional chemical composition, and absorption.

Radio Waves

Electromagnetic waves with the longest wavelengths in the electromagnetic spectrum, used in communication systems to transmit data over long distances.

Magnetic Fields

A vector field that describes the magnetic influence on moving electric charges, electric currents, and magnetic materials.

Pineal Gland

A small, pea-shaped gland in the brain that produces melatonin, a hormone that regulates sleep-wake cycles.