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:

Median-Voter Model

A theory in political science suggesting that the outcome of a majority-vote election is most likely to align with the preferences of the median voter.

Coase Theorem

The idea, first stated by economist Ronald Coase, that some externalities can be resolved through private negotiations among the affected parties.

Public Choice Theory

A theory that applies economic principles and methodologies to the analysis of political science, investigating decision-making in public sectors.

Government Decision Making

Involves the processes and actions through which government officials or bodies determine policies, allocate resources, and address public issues.