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The Database Integrity Rule Referential Integrity States That Field Values

question 10

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The database integrity rule Referential Integrity states that field values must be from a predefined domain.


Definitions:

Cation

A cation is a positively charged ion that results from the loss of one or more electrons by an atom.

Anion

A negatively charged ion, attracted to the anode during electrolysis, typically formed by the gain of electrons.

Anion

A negatively charged ion, which is formed when an atom gains one or more electrons.

KCN

Potassium cyanide, a highly toxic compound that can release cyanide ions in solution, used in various industrial processes and, historically, in gold mining.

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