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just need your help
yes, senx all very much. and probably sorry for bad question and bad enlish. So, the problem is: what am i to do, if all opbjects (some goods for example) have set of common properties (price, weight, color and so on) and each object has its own generic properties which also shuold be present... -
just need your help
just a theoretical problem: consider set of objects X. Every object X has its set of properties {x1, ..., xn, Xiy1,...Xnyn} where x1...xn - common set of properties for all objets. The question: how tables should be organized in a relational databese to represent set of object X in most effecive...
