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GATE CSE 2015 Set 2 | Question: 32
Consider two relations $R_1(A,B)$ with the tuples $(1,5), (3,7)$ and $R_2(A,C) = (1,7),(4,9)$. Assume that $R(A,B,C)$ is the full natural outer join of $R_1$ and $R_2$. Consider the following tuples of the form $(A,B,C):$ ... contains all $a, b, c, d, e, f, g$. $R$ contains $e, f, g$ but not $a, b$. $R$ contains $e$ but not $f, g$.
Consider two relations $R_1(A,B)$ with the tuples $(1,5), (3,7)$ and $R_2(A,C) = (1,7),(4,9)$.Assume that $R(A,B,C)$ is the full natural outer join of $R_1$ and $R_2$. Co...