A Foreign Key Is One or More Columns in One

question 60

True/False

A foreign key is one or more columns in one relation that also is the primary key in another table.

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Definitions:

Nonpolar

Describing molecules that do not have distinct positive and negative poles, resulting in a lack of electronegativity difference between the atoms.

Single Covalent

A type of chemical bond where two atoms share one pair of valence electrons.

Neutrons

Subatomic particles found within the nucleus of an atom, having no electric charge and a mass slightly larger than that of protons.

Atomic Number

The number of protons in the nucleus of an atom, which determines the chemical properties of an element and its place in the periodic table.