Search results for lossless-join

2 votes
2 answers
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4 votes
2 answers
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1 votes
1 answer
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$R(X,Y,Z,W) is\ decomposed\ into \\ R_1(X,Y)\\ R_2(Y,Z)\\ R_3(Y,W).\\The\ FDs\ are\ :\\ X - Y,\\ Z->Y,\\ Y->W \\ Find\ whether\ the\ decomposition\ is\ lossless\ or\ ...
0 votes
1 answer
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0 votes
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If a relation is decomposed into more than two relations then what is the correct method to check whether the decomposition is lossless or not? Can we use R1⋂R2→R1 or...
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