Question: ( B ) ( A ) Given the schedule below, complete the recovery log to match the schedule.Schedule ( C ) T T read Y

(B)(A)Given the schedule below, complete the recovery log to match the schedule.Schedule(C)
T
T
read Y
read X
X = X /6
Y = Y *2
write Y
Recovery Log
start T
(A)
update T
, Y
, Y
, Y
(B)
undo T
, Y
, Y
rollback T
update T
, X
, X
, X
(C)
Pick
Pick
Pick
rollback
write X
commit

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