Problem

Exercise 18.4 Consider the execution shown in Figure 18.2. Extend the figure to show prevL...

Exercise 18.4 Consider the execution shown in Figure 18.2.

Extend the figure to show prevLSN and undonextLSN values.
Describe the actions taken to rollback transaction T2.
Show the log after T2 is rolled back, including all prevLSN and undonextLSN values in log records.

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Solutions For Problems in Chapter 18

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