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Can someone please explain to me how you get the answer (2, 4, 3, 9)? 22) Suppose relations R(A,C) and S(B,C,D) have the following tuples.

Can someone please explain to me how you get the answer (2, 4, 3, 9)?

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22) Suppose relations R(A,C) and S(B,C,D) have the following tuples. 13 4 1 4 Which of the following tuples is in the result of RDAS? Assume each tuple has the schema (A,B,C,D) a) (2, 4, 3, 9)

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