Question: [ 1 5 pts ] ( Exercise 1 8 . 4 ) Consider the execution shown below. LSN LOG ( a ) Extend the figure

[15pts](Exercise 18.4) Consider the execution shown below.
LSN
LOG
(a) Extend the figure to show prevLSN and undonextLSN values.
(b) Describe the actions taken to rollback transaction T2.
(c) Show the log after T2 is rolled back, including all prevLSN and undonextLSN values in log records.
[15pts](Exercise 18.4) Consider the execution shown below. LSN LOG (a) Extend

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