A Weak Entity Is an Entity That Cannot Exist in the Database

question 60

True/False

A weak entity is an entity that cannot exist in the database without (and is logically dependent upon)another type of entity also existing in the database.

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Definitions:

Telomere Theory

A theory in aging that suggests the length of telomeres, protective caps at the end of chromosomes, is connected to cellular aging and lifespan.

Longevity

The duration of an individual's life, often discussed in the context of factors that contribute to living a long and healthy life.

Programmed Theories

Theories suggesting that aging is the result of genetics and biological processes programmed into the body.

Cross-Linking

A chemical process that involves the linking of polymer chains by covalent bonds, often increasing the material's strength or stiffness.