You Can Change a Column Data Type from VARCHAR2 to NUMBER

question 18

True/False

You can change a column data type from VARCHAR2 to NUMBER.

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Definitions:

Biological Hazard

A threat posed by biological substances or organisms that could harm human health, including viruses, bacteria, fungi, and parasites.

Bacteria

Microorganisms that exist in various environments, some beneficial to human health or essential for nature, while others can cause diseases.

Earthquake

An earthquake is the shaking of the surface of the Earth resulting from a sudden release of energy in the Earth's lithosphere that creates seismic waves.

Acute Exposure

Short-term contact with a substance that might result in immediate harm to health or the environment.