For using a specific database command is used.
Answer: A
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The data in the database at a particular moment of time is called the _______
Answer: A
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Drop Table cannot be used to drop a table referenced by a ______ constraint.
Answer: C
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If two relations R and S are joined, then the non matching tuples of both R and S are ignored in
Answer: D
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If an entity can belong to only one lower level entity then the constraint is
Answer: B
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The cost of reading and writing temporary files while evaluating a query can be reduced by
Answer: B
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Which of the following concurrency control schemes is not based on the serializability property?
Answer: D
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The common column is eliminated in
Answer: C
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The middleware databases in which the business rules act are applicable to _______ tier architectures
Answer: B
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The data models defined by ANSI/SPARC architecture are
Answer: D
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