Method and apparatus for optimizing computation of OLAP ranking functions
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United States of America Patent
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Sep 16, 2003
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Sep 6, 2000
filing date -
Sep 6, 2000
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Abstract
Techniques are described for optimizing the computation of OLAP ranking functions. The techniques involve push-down of the filtering operation into the window sort operation corresponding to a target ranking function. The push-down technique may be employed when a predetermined set of push-down conditions are met.
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