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1) What recovery activities need to be performed on each of the 5 transactions in an IMMEDIATE UPDATE scenario? Transaction Undo? Redo? Ignore? T1 T2

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1) What recovery activities need to be performed on each of the 5 transactions in an IMMEDIATE UPDATE scenario?

Transaction

Undo?

Redo?

Ignore?

T1

T2

T3

T4

T5

time T1 :T2 T3 T4 T5 Checkpoint Failure

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