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Consider a relation s over the attributes A and B with the following characteristics:
(a) Assuming that the aforesaid index on A is unclustered, estimate the number of disk accesses needed to compute the range query σA>1000 ^ A<6000 (s).
(b) What would be the cost if the above index were clustered? Explain your reasoning.
random file sharing
Define the term Domain. For each n every attribute there is a set of permitted values known as the domain of that attribute.
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What is a virtual table that draws its data from the result of an SQL SELECT statement? View is a virtual table that draws its data from the result of an SQL SELECT statement.
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The Form input elements are: Reporter name text type input Password
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What are the storage types? The storage types are: a) Volatile storage b) Nonvolatile storage
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