Exam 8: Physical Database Design and Database Infrastructure

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Security is one advantage of partitioning.

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What is parallel query processing and how is it useful?

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Adding notations to the EER diagram regarding data volumes and usage is of no value to the physical design process.

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A view can be built to present only the data to which a user requires access.

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In a Heap file organization, files are not stored in any particular order.

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The storage format for each attribute from the logical data model is chosen to maximize ________ and minimize storage space.

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A detailed coding scheme recognized by system software for representing organizational data is called a(n):

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Database access frequencies are estimated from:

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Along with table scans, other elements of a query can be processed in parallel.

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What are the four basic facilities that a database management system should provide for backup and recovery?

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A factor to consider when choosing a file organization is:

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A requirement to begin designing physical files and databases is:

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Discuss three possible opportunities for denormalization.

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Platform-as-a-service is an approach for providing infrastructure resources and tools for developers to be productive.

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Which of the following is an objective of selecting a data type?

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Reduced uptime is a disadvantage of partitioning.

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Backward recovery starts with an earlier copy of the database.

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Hash partitioning spreads data evenly across partitions independent of any partition key value.

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A trigger can be used as a security measure in which of the following ways?

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Examination and modification of the SQL code in an application may lead to performance improvements.

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