Consider a schema R (A, B, C, D) and functional dependencies A → B, C → D.…
PYQ RPSC Programmer 2024
Consider a schema R (A, B, C, D) and functional dependencies A → B, C → D. Then, the decomposition of R into R1 (AB) and R2 (CD), is –
- A.
Dependency preserving but not lossless join
- B.
Not dependency preserving and not lossless join
- C.
Lossless join but not dependency preserving
- D.
Dependency preserving and lossless join
- E.
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