Topic: entity-relationship database model
Topic: representing a relationship
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Quotation Skeleton
Entities and their types [and subtypes] can be classified … which case they are called characteristic; (2) fill … (3) fill neither of the above roles, in … [RM/T uses these types to define cartesian aggregations, unconditional generalizations [via subtypes], and alternative generalizations.] …
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Additional Titles
Quote: in RM/T, associative entity types interrelate entities of other types; superordinate role
| Quote: in RM/T, kernel entity types or sub-types are neither characteristic nor associative types
| Quote: in RM/T, characteristic entity types describe entities of some other type; subordinate role
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Related Topics
Topic: entity-relationship database model (21 items)
Topic: representing a relationship (28 items)
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