EXAMIANS
The primary goal of physical database design is data processing efficiency.
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The fastest read/write time and most efficient data storage of any disk array type is:
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In general, larger block sizes are used for online transaction processing applications and smaller block sizes are used for databases with a decision support or data warehousing system.
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Which of the following are integrity controls that a DBMS may support?
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Distributing the columns of a table into several separate physical records is known as horizontal partitioning.
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A pointer is a detailed coding scheme recognized by system software for representing organizational data.
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Some advantages of partitioning include: efficiency, security, and load balancing.
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An extent is a contiguous section of disk storage space.
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It is usually not very important to design the physical database to minimize the time required by users to interact with the information systems.
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What is the best data type definition for Oracle when a field is alphanumeric and has a length that can vary?
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