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Question 5 If r(A,C) and s(A,D) are any relations with the given attributes, are the following RA expressions equivalent? i) rs ii) A,C,D(r,A=A(rs))
Question 5 If r(A,C) and s(A,D) are any relations with the given attributes, are the following RA expressions equivalent? i) rs ii) A,C,D(r,A=A(rs))
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