June 2010
Intermediate to advanced
266 pages
5h 55m
English
Content preview from Patterns of Data Modeling
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Chapter 7
Summary of Templates
Table 7.1, Table 7.2, Table 7.3, Table 7.4 and Table 7.5 summarize the mathematical templates.
Table 7.1
Tree Templates
Template |
Synopsis |
UML diagram |
Use when |
Frequency |
|---|---|---|---|---|
Hardcoded tree |
Specifies a type sequence, one for each level of the hierarchy. |
|
The levels in a tree are known and ordered. |
Seldom |
Simple tree |
Treats all nodes the same. |
|
A tree concerns only data structure. |
Common |
Structured tree |
Differentiates leaf nodes from branch nodes. |
Branch nodes and leaf nodes differ. |
Common |
|
Overlapping ... |
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