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Consider the following statements :

I. Re-construction operation used in mixed fragmentation satisfies commutative rule.

II. Re-construction operation used in vertical fragmentation satisfies commutative rule Which of the following is correct ?

1. $I$
2. $II$
3. Both are correct
4. None of the statements are correct.
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D

All reconstructions need two operations
* Join
* Union
because the operations above are commultative, the reconstructions are commutative too.
by (75 points)
0
The question is saying the same then why did u select

D None of the statements are correct.
Admin check the ans is C
by (455 points)