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The actions which are played in the order while recording it is called ______________ history.

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The actions which are played in the order while recording it is called ______________ history.

(a) Repeating

(b) Redo

(c) Replay

(d) Undo

I had been asked this question in an international level competition.

This intriguing question originated from Recovery topic in division Recovery System of Database Management

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Right choice is (a) Repeating

The best I can explain: Undo brings the previous contents.

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