Type Inheritance And Relational Theory: Subtypes, Supertypes, And Substitut...

Description: Please refer to the section BELOW (and NOT ABOVE) this line for the product details - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Title:Type Inheritance And Relational Theory: Subtypes, Supertypes, And SubstitutabilityISBN13:9781491959992ISBN10:1491959991Author:Date, Chris J. (Author)Description: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 Inheritancescalar, Tuple, And Relation Inheritancetype Lattices And Union And Intersection Typespolymorphism And Substitutabilitycompile 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 Binding:Paperback, PaperbackPublisher:OREILLY MEDIAPublication Date:2016-09-26Weight:1.98 lbsDimensions:1.16'' H x 9.17'' L x 7.01'' WNumber of Pages:572Language:English

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End Time: 2024-11-03T12:40:08.000Z

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