METHOD FOR INCREASING THE EFFICIENCY OF SYNCHRONIZED SCANS THROUGH INTELLIGENT QUERY DISPATCHING
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United States of America Patent
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Issued Date -
Mar 8, 2012
app pub date -
Sep 7, 2010
filing date -
Sep 7, 2010
priority date (Note) -
Abandoned
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Abstract
A computer-implemented method, apparatus and article of manufacture for optimizing execution of database queries in a computer system. In one embodiment, the steps and functions include: generating first and second query execution plans for first and second requests, wherein the first and second query execution plans are each comprised of one or more steps that scan a specified table in a database stored on the computer system in order to retrieve data from the table; and executing the first and second query execution plans, wherein intelligent query dispatching is performed on the steps of the first and second query execution plans to ensure that the steps share the data retrieved from the table and cached in memory.
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