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Ishrat Jahan asked Oct 31, 2014
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GATE IT 2006 | Question: 14
Consider the relations $r_{1}\text{(P, Q, R)}$ and $r_{2}\text{(R, S, T)}$ with primary keys $\text{P}$ and $\text{R}$ respectively. The relation $r_{1}$ contains $2000$ tuples and $r_{2}$ contains $2500$ tuples. The maximum size of the join $r_1⋈ r_2$ is : $2000$ $2500$ $4500$ $5000$
Consider the relations $r_{1}\text{(P, Q, R)}$ and $r_{2}\text{(R, S, T)}$ with primary keys $\text{P}$ and $\text{R}$ respectively. The relation $r_{1}$ contains $2000$ ...
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go_editor asked Sep 30, 2014
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GATE CSE 2010 | Question: 43
The following functional dependencies hold for relations $R(A, B, C)$ and $S(B, D, E).$ $ B \to A$ $A \to C$ The relation $R$ contains $200$ tuples and the relation $S$ contains $100$ tuples. What is the maximum number of tuples possible in the natural join $R \bowtie S$? $100$ $200$ $300$ $2000$
The following functional dependencies hold for relations $R(A, B, C)$ and $S(B, D, E).$ $ B \to A$$A \to C$The relation $R$ contains $200$ tuples and the relation $S$ con...
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