If both data and database administration exist in an organization, the database administrator is responsible for which of the following?
Answer: B
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A transaction log shows before and after images of records that have been modified by transactions.
Answer: B
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Which of the following is the preferred way to recover a database after a system failure?
Answer: C
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With concurrent processing involving updates, a database with concurrency control will be compromised due to interference between users.
Answer: B
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The restore/rerun technique involves reprocessing the day's transactions up to the point of failure.
Answer: A
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To build a data warehouse and develop business intelligence applications, it is important that an organization build and maintain a comprehensive repository.
Answer: A
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Incorrect data is easy to detect.
Answer: B
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Poor data administration can lead to which of the following?
Answer: C
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Backward recovery is which of the following?
Answer: A
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A shared lock allows which of the following types of transactions to occur?
Answer: C
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