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What are the main components when designing an ERD?

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The expert provides the main components when designing an ERD.

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Data modeling provides a graphical notation for representing data models in the form of entity-relationship diagrams (ERD).

Entities and relationship among the entities are the main components when designing an ERD.

An entity represents a discrete object. Entities can be thought of (roughly) as nouns. Examples: a computer, an employee, a song, a mathematical theorem. A relationship ...

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