Please enable JavaScript.
Coggle requires JavaScript to display documents.
Design Patterns - Coggle Diagram
Design Patterns
Adjacency list model
one column for the identifier of the node
one column of the same data type for the parent
for organizational charts
easy
adding
updating
difficult
removal
selection
Trees
graph that has no cycles
Every node is the root of a subtree
Every two nodes in the tree are connected on one path.
Hierarchies
directed tree
subordination
inheritance
Inheritance, either to or from the root
same node can play many different roles
Nested Sets Model
difficult
adding
updating
removal
easy
selection
Materialized Path
difficult
updating
adding
easy
removal
updating
Graph
flow
dots
lines