Dynamic query optimization using partial information
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United States of America Patent
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Aug 2, 1994
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N/A
app pub date -
Apr 11, 1990
filing date -
Apr 11, 1990
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Abstract
A method for executing a query comprising a sequence of operations to be performed on one or more relational databases comprises statistically sampling the relational databases at the times the operations are to be executed and then dynamically optimizing the performance of the operations based on the statistical samples obtained as a result of the sampling step.
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