(Answered) In entity relationship er modeling one defines entities

Management Studies

In Entity Relationship (ER) modeling, one defines entities, attributes and the relationships between entities (Paul et al. Ch11, Chan 2013).

An entity is a thing of significance where information needs to be managed.

As such, what defines "significance"? Is a telephone number an entity or an attribute? Provide examples in business, one supporting the notion.

Please also watch the Data Modeling and the ER Model video at Database Lesson #4 of 8 - Data Modeling and the ER Model(youtube)

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