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Define object-relational systems?
Systems that give object-oriented extensions to relational systems are known as object-relational systems.
explaination
Given the following set of functional dependencies {cf→ bg, g → d, cdg → f, b → de, d → c} defined on R(b,c,d,e,f,g) a. Is cf→ e implied by the FDs? b. Is dg a superkey?
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