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3. The current snapshot of relation R(A,B) is the following. R A B di bi a | b2 a2 bi a3 64 Compute the following
3. The current snapshot of relation R(A,B) is the following. R A B di bi a | b2 a2 bi a3 64 Compute the following two join queries on the above snapshot. (a) RAR (b) R - R A=A
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