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Data Models in dbms

A data model is a representation of the structure, organization, and constraints of a database. It defines the way data is related to each other and how it can be accessed and manipulated. Data models are used in database management systems (DBMSs) to design and implement databases.

There are several types of data models:

Relational model: 

This model organizes data into tables and uses a structured query language (SQL) to manipulate the data. It is the most commonly used model and is based on the idea of a table of data with rows and columns.

Hierarchical model: 

This model organizes data in a tree-like structure, with a hierarchy of parent and child nodes. It is primarily used in older systems and is not as flexible as the relational model.

Network model: 

This model organizes data in a network structure, with multiple-to-multiple relationships between data elements. It is more flexible than the hierarchical model, but less common than the relational model.

Object-oriented model: 

This model organizes data in the form of objects and their relationships. It is based on the idea of object-oriented programming and is used in newer database systems.


The choice of data model depends on the requirements of the database and the needs of the organization. The relational model is the most commonly used, but other models may be more suitable for certain applications.

Overall, data models are an important aspect of database management systems, as they define the structure and organization of the data and how it can be accessed and manipulated.

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Hello friends, I am your friend Tarun Pratap Yadav, Technical Author & Owner of Super Study Hindi . Talking about my education, I am a regular student of BCA. I like to learn new technology and also things related to Subjects in detail and teach…

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