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Recent questions tagged cartesianproduct
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ISI2015MMA7
Let $X$ be the set $\{1, 2, 3, 4, 5, 6, 7, 8, 9, 10 \}$. Define the set $\mathcal{R}$ by $\mathcal{R} = \{(x,y) \in X \times X : x$ and $y$ have the same remainder when divided by $3\}$. Then the number of elements in $\mathcal{R}$ is $40$ $36$ $34$ $33$
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Sep 23, 2019
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Arjun
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consider relation R1(A,B) and R2(C,D) ,where R1 contain 'm' tuples and R2 contain 'n' tuples and R1,R2 contain no common attribute and attribute B have NULL values then what is the number of tuples in cartesian product of R1 and R2?
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Jan 14, 2015
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Databases
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neha pawar
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