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What is Entity Types about?

The document discusses entity types and relationship types within database systems, defining entities as groups of objects with shared properties and relationships as meaningful associations among these entities. It explains the concepts of entity occurrences, relationship occurrences, and the degrees of relationships, including binary, ternary, and quaternary relationships. Additionally, it covers the use of role names in recursive relationships and the diagrammatic representation of attributes in entity-r

Author

43ammbs

Language

EN