C.J. Date - książki
Tytuły autora: C.J. Date dostępne w księgarni Ebookpoint
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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 / supert-
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ebook
135 pkt
(95,40 zł najniższa cena z 30 dni)
135.15 zł
159.00 zł (-15%) -
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SQL is full of difficulties and traps for the unwary. You can avoid them if you understand relational theory, but only if you know how to put that theory into practice. In this book, Chris Date explains relational theory in depth, and demonstrates through numerous examples and exercises how you can apply it to your use of SQL.This third edition has
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ebook
118 pkt
(83,40 zł najniższa cena z 30 dni)
118.15 zł
139.00 zł (-15%) -
