Congestion-Control
October 16, 2023Subnetting
October 16, 2023Functional-Dependency
| Question 17 |
If D={R1,R2} is a decomposition of R, and F is the set of functional dependencies on R, then which of the following ensures that the decomposition D is lossless (nonadditive)?
| ((R1∩ R2) →(R1-R2)) ∈ F+ | |
| ((R1 ∩R2) → (R1 – R2)) ∉ F+ | |
| ((R1 ∪ R2) →(R1 – R2)) ∈ F+ | |
| ((R1∩R2) →R1 ) ∈ F+ |
Question 17 Explanation:
Correct Answer: A
Question 17 Explanation: