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The property of a transaction that survives system crashes is

  • A.Atomicity
  • B.Durability
  • C.Isolation
  • D.All of the mentioned

Answer: B

Correct answer: Durability

Durability guarantees that once a transaction has committed, its changes survive any subsequent failure - power loss, crash, or restart. It is implemented by writing the changes to a log on stable storage before reporting the commit, so that recovery can replay them.

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