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Give a counterexample to show that P(A) P(B) = P(A B) is not always true. Remember that P(X) denotes the power set of X: the
Give a counterexample to show that P(A) P(B) = P(A B) is not always true. Remember that P(X) denotes the power set of X: the set of all subsets of X.
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Practical Oracle8I Building Efficient Databases
Authors: Jonathan Lewis
1st Edition
0201715848, 978-0201715842
