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____________ using a log record sets the data item specified in the log record to the old value.

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____________ using a log record sets the data item specified in the log record to the old value. (a) Deferred-modification (b) Late-modification (c) Immediate-modification (d) Undo This question was posed to me in a national level competition. My question comes from Recovery topic in section Recovery System of Database Management Select the correct answer from above options Interview Questions and Answers, Database Interview Questions and Answers for Freshers and Experience

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Correct choice is (d) Undo Easiest explanation - Undo brings the previous contents.

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