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Why Are the Hierarchical and Network Models Called Navigational Databases

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Why are the hierarchical and network models called navigational databases?


Definitions:

Parental Disagreements

Conflicts between parents on aspects of parenting or decisions regarding their children's upbringing.

Self-Esteem

The subjective evaluation of one's own worth or value as reflected in personal perceptions of traits, skills, and qualities.

Concordance

The agreement or harmony between people or things; in genetics, it refers to the presence of the same trait in both members of a pair of twins or in sets of individuals.

Monozygotic Twins

Twins that result from the splitting of a single fertilized egg, sharing nearly 100% of their genes, also known as identical twins.

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