Conceptual Data Models With Examples In DBMS

Conceptual Data Models With Examples In DBMS, Explain Conceptual Data Models With Examples

    Conceptual data models provide concepts that are close to the way many users  
    perceive data.
    Before implementation, a rough model of database is created.
    This model is never implemented but is used for designing purpose.
    This model use concepts such as entities , attributes and relationships.

Example: E-R Model  

Stands for entity-relationship model. 

Terms used in E-R model:

Attribute

Entity

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