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ER Diagram on DBMS

Er diagram in DBMS,er ,dbms

ER diagram, 

     Entities are represented as rectangles and are connected to each other by lines, which represent the relationships between the entities. Each entity has a set of attributes, which are represented as ellipses connected to the entity rectangle.
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There are three types of relationships that can exist between entities in an ER diagram:

One-to-one (1:1) relationship: 

This relationship exists when one entity is related to exactly one instance of another entity.

One-to-many (1:N) relationship: 

This relationship exists when one entity is related to many instances of another entity.

Many-to-many (M:N) relationship: 

This relationship exists when many instances of one entity are related to many instances of another entity.

ER diagrams are used to design and document database systems. They provide a visual representation of the data and relationships in the database, which can be helpful for understanding the structure of the database and for identifying any potential problems or issues.

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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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