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What is EER Model: Supertypes, Subtypes, and More about?

The document explains key concepts in database design, particularly within the Enhanced Entity-Relationship (EER) model, including supertypes, subtypes, specialization, and generalization. It outlines the differences between related terms such as the total and partial specialization rules, as well as the disjoint and overlap rules, providing definitions, examples, and use cases for each. Additionally, it introduces the concepts of Party and Party Role, emphasizing their significance in representing entities

Author

mee23nu

Language

EN