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can a schedule cascade Rollback and still be not recoverable. I mean if transactions can rollback then shouldn’t it be recoverable?

(self answering)

I think it is only possible in one scenario wherein if we consider a schedule(system of multiple transactions) such that, few set of transaction have tendency to cascade rollback whereas there exists other few sets which are non-recoverable as well as do not cascade rollback.

Only then i think the statement “that a schedule can cascade rollback and be non-recoverable at the same time” makes sense. AM I right??

And then follow up this question

I think only option 1 and 2 are correct.

in Databases by (5 points) | 9 views

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