- It’s a hierarchical model that is used to represent the many-to-many relationship among the database constraints.
- It is a simple and easy-to-construct database model.
- Was one of the most popular models before the introduction of the relational model as it is easy to create and visualize.
- The network model was created to represent complex data relationships more effectively
- It has entities which are organized in a graphical representation
- some entities are accessed through several paths.
- Efficient access to data
Network Model :
8. All the students of the college can go to both the departments.
9. the Student entity has two parents namely - CSE Department and Library. The CSE Department and Library have the same parent College
Features of a Network Model
- Multiple Paths- There can be more than one path to the same record because of more relationships. It makes data access fast and simple.
- Ability to Merge Relationships − In this model, because of more relationships the data is more related. It has an ability to manage one-to-one relationships as well as many-to-many relationships.
- Circular Linked List − The operations in this model are done with the help of the circular linked list. The current position is maintained with the help of a program and navigates through the records based on relationships.