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Bank customer transactions are in the process of being posted to the database when the process come to an abrupt stop. Which of the following would be the most effective at providing assurance of transaction processing integrity?
Database integrity checks.
Input controls.
Validation checks.
Database commits and rollbacks.
Database commits ensure the data are saved to disk, while the transaction processing is underway or complete. Rollback ensures that the already completed processing is reversed back, and the data already processed are not saved to the disk in the event of the failure of the completion of the transaction processing. All other options do not ensure integrity while processing is underway.
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