Friday, June 8, 2007

Question 75

Which statement correctly describes the atomicity in ACID characteristics of a transaction?

a) A consistent state of the database
b) Once a transaction is completed normally, the updated results are not lost even if a failure has occurred.
c) A transaction must end with its process having been completely performed or with its process having not been performed at all.
d) The result of multiple transactions executed concurrently is the same as when they are executed serially.

answer

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