Recovering a Database Via Rollforward Involves

question 20

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.
• E)synchronizing the database and the transaction log by checkpointing.

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Definitions:

Profitability

A measure of how much profit a business generates compared to its size, sales, or assets.

Debt

Debt is an amount of money borrowed by one party from another, which is expected to be paid back with interest.

Assets

Resources owned by a business that have economic value and can be expressed in monetary terms.

Profitability Analysis

The process of examining a company's performance and efficiency in generating profit from sales and investments.