CHAPTER 8 Other Models for Trees
THE MODELS FOR trees and hierarchies discussed so far are not the only ones. There are other models that use different approaches and properties of trees, some of which are hybrids of other models.
8.1 Adjacency List with Self-references
A slight modification of the usual adjacency list model is to include an edge that loops back to the same node.
Personnel_OrgChart
This makes the table longer, but it avoids a ...
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