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___ a relation R into its dependency relations R1 and R2 requires that the dependencies of R either be a part of R1 or R2 or be derivable from the combination of the functional dependency relationships of R1 and R2
12. ___ a relation R into its dependency relations R1 and R2 requires that the dependencies of R either be a part of R1 or R2 or be derivable from the combination of the functional dependency relationships of R1 and R2.
- Composing
- Decomposing
- Both A and B
- None of the above
Answer: B) Decomposing
Explanation:
Decomposing a relation R into its dependency relations R1 and R2 requires that the dependencies of R either be a part of R1 or R2 or be derivable from the combination of the functional dependency relationships of R1 and R2.