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Which rule suggests that If relation R is decomposed into fragments R 1 , R 2 , . . . , Rn , then there

Which rule suggests that
If relation R is decomposed into fragments R1, R2,..., Rn, then there should exist some relational operator such that R =1<=i<=nRi
Group of answer choices
Integrity Constraint
Domain Constraint
Disjointness
Reconstruction
Completeness

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