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Describe query optimization and the modes that an optimizer can operate in.
Cross Cousin
A cousin from a parent's opposite-gender sibling, viewed differently in various cultures concerning marriage suitability.
Nuclear Family
A family unit consisting of two parents and their children, considered a traditional social unit.
Urbanization
The process by which cities grow and higher percentages of the population come to live in urban areas.
Polygamy
A marriage system in which an individual has more than one spouse simultaneously.
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