Question

The ER- data model is an example of:

Answer 1

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For example, ONE team has MANY players. When present in an ERD, the entities Team and Player are inter-connected with a one-to-many relationship. In an ER diagram, cardinality is represented as a crow's foot at the connector's ends. The three common cardinal relationships are one-to-one, one-to-many, and many-to-many.

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Answer 2

Answer:

Entity Relationship Modeling (ER Modeling) is a graphical approach to database design. It uses Entity/Relationship to represent real world objects. An Entity is a thing or object in real world that is distinguishable from surrounding environment. For example each employee of an organization is a separate entity.