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_______ means that data used during the execution of a transaction cannot be used by a second transaction until the first one is completed.

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_______ means that data used during the execution of a transaction cannot be used by a second transaction until the first one is completed.

(a) Serializability

(b) Atomicity

(c) Isolation

(d) Time stamping

I got this question by my school teacher while I was bunking the class.

My question is taken from Multiversion Schemes topic in section Concurrency Control of Database Management

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Correct choice is (c) Isolation

Explanation: Isolation means that data used during the execution of a transaction can’t be used by a second transaction until the first one is completed.

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