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(Solution) - Five recovery techniques are listed below For each situation described

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Five recovery techniques are listed below. For each situation described, decide which of the following recovery techniques is most appropriate.
? Backward recovery
? Forward recovery (from latest checkpoint)
? Forward recovery (using backup copy of database)
? Reprocessing transactions
? Switch
a. A phone disconnection occurs while a user is entering a transaction.
b. A disk drive fails during regular operations.
c. A lightning storm causes a power failure.
d. An incorrect amount is entered and posted for a student tuition payment. The error is not discovered for several weeks.
e. Data entry clerks have entered transactions for two hours after a full database backup when the database becomes corrupted. It is discovered that the journalizing facility of the database has not been activated since the backup was made.


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This question was answered on: Jul 11, 2017

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