Application based question
please tell fast please
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Ans.1 Introduction of ER Model
Key Attribute – The attribute which uniquely identifies each entity in the entity set is called key attribute. ...
Composite Attribute – An attribute composed of many other attribute is called as composite attribute. ...
Multivalued Attribute – An attribute consisting more than one value for a given entity. ...
Explanation:
5-3=2 so the answer is 2 pixels
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