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📶 Network Data Model

A database model conceived as a flexible way of representing objects and their relationships.

Tries to overcome the hierarchical data model.

Child node can link to many different parents

Parent nodes are called owners and child nodes are called members

Does support M : M

Pros

  • Capability to handle more relationship types - Can handle the one to many and many to many relationship
  • Ease of access data - The data access is easier and flexible than the hierarchical model - Because of the multiple connections, more ways to access data
  • Data integrity - The network model does not allow a member to exist without an owner
  • Conceptually easy to design

Cons

  • System complexity - All the records are maintained using pointers and hence the whole database structure becomes very complex
  • Structure is not user friendly.

Network Data Mode.png

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