Which of the following is not a factor to consider when switching from small to large block size?
Answer: B
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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?
Answer: A
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The blocking factor is:
Answer: B
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Denormalization and clustering can work well to minimize data access time for small records.
Answer: A
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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.
Answer: A
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Distributing the columns of a table into several separate physical records is known as horizontal partitioning.
Answer: B
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If a denormalization situation exists with a one-to-one binary relationship, which of the following is true?
Answer: A
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A field represents each component of a composite attribute.
Answer: A
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Which of the following are integrity controls that a DBMS may support?
Answer: D
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The three newest database architectures in use today are relational, multidimensional and hierarchical.
Answer: B
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