EXAMIANS
The fastest read/write time and most efficient data storage of any disk array type is:
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Hashing algorithm converts a primary key value into a record address.
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Data-volume and frequency-of-use statistics are not critical inputs to the physical database design process.
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What is the best data type definition for Oracle when a field is alphanumeric and has a fixed length?
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A field represents each component of a composite attribute.
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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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If a denormalization situation exists with a many-to-many or associative binary relationship, which of the following is true?
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Selecting a data type involves which of the following?
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Sequential retrieval on a primary key for sequential file storage has which of the following features?
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When storage space is scarce and physical records cannot span pages, creating multiple physical records from one logical relation will minimize wasted storage space.
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