Data and Database Administration
Performance analysis and tuning is which of the following?

Undertaken one time at the time of a DBMS installation
Undertaken one time at the time of the implementation of a new application
Undertaken as an ongoing part of managing a database
Undertaken as an ongoing part of the backup of a database

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Data and Database Administration
Backward recovery is which of the following?

Where the before-images are applied to the database
Where the after-images and before-images are applied to the database
Switching to an existing copy of the database
Where the after-images are applied to the database

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Data and Database Administration
Which of the following is true concerning open-source DBMS?

Is competitive against PC-oriented packages and is not fully SQL compliant
Is free or nearly free database software whose source code is publicly available
Is not competitive against PC-oriented packages and is fully SQL compliant
Is free or nearly free database software whose source code is not publicly available

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Data and Database Administration
Which of the following is part of an administrative policy to secure a database?

Limiting particular areas within a building to only authorized people
Ensure appropriate responses rates are in external maintenance agreements
All of these
Authentication policies

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