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For a transaction to be durable, its changes need to be written to ________ storage.

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For a transaction to be durable, its changes need to be written to ________ storage.

(a) Volatile storage

(b) Non-volatile storage

(c) Stable storage

(d) Dynamic storage

The question was asked during an online interview.

This question is from Storage Structure in chapter Transactions of Database Management

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Right option is (c) Stable storage

Easy explanation - Similarly, for a transaction to be atomic, log records need to be written to stable storage before any changes are made to the database on disk.

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