Define Primary Key, Foreign Key, and Metadata

question 73

Essay

Define primary key, foreign key, and metadata.

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Definitions:

Public Health Regulations

These are laws and policies enacted by governmental bodies to protect and improve the health of the public, including sanitation standards, disease control measures, and health education.

Pollution Control

Measures and strategies implemented to reduce or eliminate the release of pollutants into the environment, including air, water, and soil pollution.

Immigrant Newcomers

Individuals who have recently arrived in a country with the intention of settling there, often in search of better living conditions, opportunities, or to reunite with family.

Protestant Sect

A subgroup within Protestantism, characterized by unique beliefs, practices, or governance, differing from other Protestant denominations.