Question

R(A,B,

  • B and R2(B,
  • C is decomposed into R1(A,
  • C . Which condition is sufficient in the standard binary lossless-join test?
A The common attribute B functionally determines all attributes of one component.
B The decomposed relations have no common attributes.
C Both relations have exactly the same number of tuples.
D Every attribute becomes a candidate key in both relations.
E The original relation contains a multivalued dependency.
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