Question

2 points
Consider the following
statements about wait-die
scheme for deadlock
prevention. Identify the
statements which are correct.
*
older transaction may wait for
younger one to release the lock on
data item
Older transaction forces rollback of
younger transaction instead of
waiting for it. Younger transaction
may wait for older ones
A transaction may die several times
before acquiring needed data item
It is non-preemptive scheme
It is preemptive scheme​

Answer 1

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Answer 2

Answer:

do this like a photo

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