Recovering a Database Via Rollforward Involves ________

question 8

Multiple Choice

Recovering a database via rollforward involves ________.

• A)restoring the database from the save and reprocessing all the transactions since the save
• B)restoring the database from the save and reapplying all the changes made by transactions since the save
• C)undoing the changes made by erroneous or partially processed transactions and restarting the valid transactions that were in process at the time of the failure
• D)re-creating the database by re-entering all of the data from the beginning,and then reprocessing all of the transactions

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Definitions:

Blood Pressure

The force exerted by circulating blood upon the walls of blood vessels, a critical indicator of cardiovascular health.

Carotid Baroreceptors

Sensory nerve endings located in the carotid artery that detect changes in blood pressure and help regulate it.

Glossopharyngeal Nerve

The ninth cranial nerve, responsible for sensory and motor functions in the throat and back of the tongue.

Sympathetic Nerve

The sympathetic nervous system is part of the autonomic nervous system that prepares the body for 'fight or flight' responses during perceived threats.