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What is E-R Model in Database system?
E-R model stands for Entity-Relationship model. This data model is based on real world that consists of basic objects called entities and of relationship among these objects. Entity in database, which existence in real world with number of attributes. In a table attribute know as column. Relationship is a logical thing which relates entities. The E-R diagram shows structure of E-R model.
Posted By: Name:Rajesh Kr URL: What is E-R Model in Database system?