Hierarchical Data
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May 1, 2024
3 minute read
**Hierarchical data** is a data structure that represents a hierarchy of elements. A hierarchy is an arrangement of elements in which each element has a superior element, except for the top-level element. For example, a company's organizational chart is a hierarchical data structure, with the CEO at the top, followed by vice presidents, directors, managers, and employees. Other examples of hierarchical data include file systems, XML documents, and relational databases with parent-child relationships.
Why Learn About Hierarchical Data?
There are many reasons why you might want to learn about hierarchical data. Here are a few:
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