Consider a schema R(A, B, C, D) and functional dependencies A B and C D. Then the decomposition of R into R1 (AB) and R2 (CD) is

not dependency preserving and not lossless join

dependency preserving and lossless join

lossless join but not dependency preserving

dependency preserving but not lossless join

Consider a schema R(A, B, C, D) and functional dependencies A B and

1.	Consider a schema R(A, B, C, D) and functional dependencies A B and C D. Then the decomposition of R into R1 (AB) and R2 (CD) is
A.	dependency preserving and lossless join
B.	lossless join but not dependency preserving
C.	dependency preserving but not lossless join
D.	not dependency preserving and not lossless join
Answer» D. not dependency preserving and not lossless join

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Consider a schema R(A, B, C, D) and functional dependencies A B and C D. Then the decomposition of R into R1 (AB) and R2 (CD) is

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