Deadlocks(Engineering > Computer Science And Engineering > Dbms Questions And Answers ) Questions and Answers
Explanation:-
Answer: Option C. -> DeadlockDeadlockWhen one data item is waiting for another data item in a transaction then system is in deadlock.
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Answer: Option D. -> All of the mentionedAll of the mentionedDeadlock prevention is also called as deadlock recovery.Prevention is commonly used if the probability that the system would enter a deadlock state is relatively high; otherwise, detection and recovery are more efficient.
Explanation:-
Answer: Option A. -> Wait-dieWait-dieThe wait“die scheme is a non-preemptive technique.
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Answer: Option C. -> Wound-waitWound-waitThe wound“wait scheme is a preemptive technique. It is a counterpart to the wait“die scheme.