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Data Model History: Hierarchical and Network Models
Автор: Thomas Blum
Загружено: 2024-09-23
Просмотров: 720
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In this video we discuss some of the older data models that preceded Relational Databases, namely the hierarchical and network data models. Hierarchical data models have a tree-like structure and are analogous to a computer's file system (folders, subfolders, and files). Unlike hierarchical, tree-like models (which have no loops), a network data models supports multiple "paths" (relationships) to the data, and is more analogous to the web.
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