[PDF.37yu] Type Inheritance and Relational Theory: Subtypes, Supertypes, and Substitutability

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 cod...

You easily download any file type for your device.Type Inheritance and Relational Theory: Subtypes, Supertypes, and Substitutability   |  C. J. Date.Not only was the story interesting, engaging and relatable, it also teaches lessons.