Use BookMyEssay:Network Model Assignment Help

A network model does comprise various network models and atomic models that happen to be interconnected. The network models can be elements of different other network models and so, they enable the building of multi-level systems.

In the year 1969, CODASYL DataBase Task Group adopted the network model and it underwent a huge update in the year 1971. Many network database systems turned hugely prevalent on minicomputers and mainframe through the 1970s before they became substituted by a relational database in the 1980s.

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The Fundamental Concepts of Network Models

Network models are considered extensions of the ranked structure as they permit many-to-many dealings that need to be managed similar to a tree-like structure which permits several parents. A couple of fundamental concepts related to network models are:

• Sets are utilized for defining one-to-many relationships that happen between records which comprise one owner and many members.
• Records comprise fields which require hierarchical organization.
• Records might work as owners in many sets and a member in any set.

Features of a Network Model

Some noteworthy features of a network model are:

• Network models represent severance in data efficiently compared to the hierarchical models.
• The operation of a network model gets preserved by indexing the construction of a linked list where programs maintain a present position. Again, it navigates from a record to another record by following some relationships where the record takes part.
• A record can be located when key values are supplied.

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Advantages of the Network Model

• Capability of managing more relationship types – Network models have the capability of managing 1:1 (one-to-one) besides many N:N (many-to-many) relationships.
• Simple and modest concept – The network model has huge similarities to the hierarchical model and this model is pretty simple. Again, you can implement it effortlessly.
• Integrity of data – When it is a network model then there is always present a connection between some child segments and their parents as it is dependent on the relationship of parent-child.
• Easy data access – You can access the data simply when you compare network models to the hierarchical models.
• Data independence – The matter of data independence is improved in a network model contrary to hierarchical models.

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