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Snapshot isolation is used to give

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Snapshot isolation is used to give

(a) Transaction a snapshot of the database

(b) Database a snapshot of the transaction

(c) Database a snapshot of committed values in the transaction

(d) Transaction a snapshot of the database and Database a snapshot of committed values in the transaction

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

I want to ask this question from Snapshot Isolation topic in section Concurrency Control of Database Management

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Correct answer is (d) Transaction a snapshot of the database and Database a snapshot of committed values in the transaction

Best explanation: The data values in the snapshot consist only of values written by committed transactions.

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