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What are the characteristics of hierarchical and relational database structure?.What are the different uses of network model and hierarchical model?.What is the difference between hierarchical database and relational database?.
![hierarchical database example hierarchical database example](https://people.cs.pitt.edu/~chang/156/images/fig142.gif)
The main difference between hierarchical network and relational database model is that hierarchical model organizes data in a tree-like structure while network model arranges data in a graph structure and relational database model organizes data in tables.