Database abstractions

Two kinds of abstraction that are fundamentally important in database design and usage are defined. Aggregation is an abstraction which turns a relationship between objects into an aggregate object. Generalization is an abstraction which turns a class of objects into a generic object. It is suggeste...

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Bibliographische Detailangaben

Veröffentlicht in:	ACM transactions on database systems 1977-06, Vol.2 (2), p.105-133
Hauptverfasser:	Smith, John Miles, Smith, Diane C P
Format:	Artikel
Sprache:	eng
Online-Zugang:	Volltext
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