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What recovery activities need to be performed on each of the 5 transactions in a DEFERRED UPDATE scenario? Transaction Undo? Redo? Ignore? T1 T2 T3

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What recovery activities need to be performed on each of the 5 transactions in a DEFERRED UPDATE scenario?

Transaction	Undo?	Redo?	Ignore?
T1
T2
T3
T4
T5

time T1 :T2 T3 T4 T5 Checkpoint Failure

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