Multi-Valued Attribute

Multi Valued Attribute: The attribute that can have more than one value for each entity instance is called multi-value attribute. For example a student may more than one phone number, addresses or master degrees.

It can be shown as double ellipse shaped.

Elements Of ER Model

Elements Of ER Model Elements Of ER Model: We know that E-R model describes the data as entities, attributes and relationship between entities. So the major elements of E-R model…

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