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  3. which of these statements about deadlock are true?

Which of these statements about deadlock are true? (list all that are true.) a. If all transactions...

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Programming

Which of these statements about deadlock are true? (list allthat are true.)

a. If all transactions use two-phase locking, they cannotdeadlock.
b. Once two transactions deadlock, one of them must be aborted tomaintain correctness.
c. Systems that support update locks (S, X and U modes) cannotdeadlock.
d. Validation based concurrency control schemes cannotdeadlock.

Answer & Explanation Solved by verified expert
4.1 Ratings (459 Votes)
ANSWERS The correct statements about deadlock are b To maintain correctness one of the two transaction must be terminated or aborted For maintaining accuracy one    See Answer
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