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- In hierarchical DBMS, we can have only one parent to a child. But in Network, we can have more than one.
- Unlike hierarchical , Network DBMS does not necessarily follow downward tree structure. In some cases it may follow upward tree structure.
Please go through the below example to understand better.
ABC College has two Child. i.e. Department A and College library. It represents one to many relationship. Even though there is no relation between Department A and College library, a student can be a member of both Department A and College library. This represents many to one relationship. So as per the above example, student has two parents which tell us this is the Network DBMS model. This is the simple and good example for Network DBMS.