Type Inheritance and Relational Theory : Subtypes, Supertypes, and Substitutability

Lingua: inglese

Editore: O'reilly Media Okt 2016, 2016

1491959991 / 9781491959992

Da: AHA-BUCH GmbH, Einbeck, GermaniaAHA-BUCH GmbH

Venditore con 5 stelle

Venditore AbeBooks dal 14 agosto 2006

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Condizione: Nuovo

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Descrizione dell’articolo da parte del venditore

Neuware - Type inheritance is that phenomenon according to which we can say, for example, that every square is also a rectangle, and so properties that apply to rectangles in general apply to squares in particular. In other words, squares are a subtype of rectangles, and rectangles are a supertype of squares. Recognizing and acting upon such subtype / supertype relationships provides numerous benefits: Certainly it can help in data modeling, and it can also provide for code reuse in applications. For these reasons, many languages, including the standard database language SQL, have long supported such relationships. However, there doesn't seem to be any consensus in the community at large on a formal, rigorous, and abstract model of inheritance. This book proposes such a model, one that enjoys several advantages over other approaches, not the least of which it is that it's fully compatible with the well known relational model of data.Topics the model covers include:- Both single and multiple inheritance- Scalar, tuple, and relation inheritance- Type lattices and union and intersection types- Polymorphism and substitutability- Compile time and run time bindingAll of these topics are described in detail in the book, with numerous illustrative examples, exercises, and answers. The book also discusses several alternative approaches. In particular, it includes a detailed discussion and analysis of inheritance as supported in the SQL standard.…

Codice articolo 9781491959992

Titolo
Type Inheritance and Relational Theory : Subtypes, Supertypes, and Substitutability
Autore
Chris J Date
Editore
O'reilly Media Okt 2016
Anno di pubblicazione
2016
Condizione
Neu
Rilegatura
Taschenbuch
Lingua
inglese
ISBN 10
1491959991
ISBN 13
9781491959992
Peso dell'articolo
984 grammi
Dimensioni
233x179x35 mm

AHA-BUCH GmbH

Einbeck, Germania

Venditore con 5 stelle

Venditore AbeBooks dal 14 agosto 2006

Tariffe di spedizione da Germania a U.S.A.

ArticoloDa 7 a 10 giorni lavorativiDa 5 a 7 giorni lavorativi
Primo articoloEUR 35,00EUR 45,00
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