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What is Key Components of ER Diagrams about?

The document discusses entity relationship (ER) diagrams. It states that ER diagrams were proposed in 1976 by Peter Chen and are widely used in database design. ER diagrams represent the conceptual level of a database and describe things and their relationships at a high level. The document then goes into details about the key components of ER diagrams including entities, attributes, relationships, and cardinalities.

Author

V

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EN