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Data Models - Coggle Diagram
Data Models
Hierarchical Model
One-to-Many (1:M)
Single Parent
Tree Structure
Fast Data Access
Network Model
Graph Structure
Many-to-Many (M:N)
Multiple Parents
Flexible Relationships
Relational Model
SQL Support*
Primary & Foreign Keys
Easy Data Retrieval
Tables (Rows & Column
Comparison
Structure
Relational → Tables
Hierarchical → Tree
Network → Graph
Flexibility
Network → Medium
Relational → High
Hierarchical → Low
Relationships
Network → M:N
Relational → Keys
Hierarchical → 1:M