Dynamic optimization of prepared statements in a statement pool
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United States of America Patent
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Sep 29, 2015
Grant Date -
Jan 31, 2008
app pub date -
Oct 10, 2007
filing date -
Apr 18, 2002
priority date (Note) -
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status (Latency Note)
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Abstract
An apparatus, program product and method dynamically optimize prepared statements resident in a statement pool to permit subsequent reuses of such statements to utilize the optimized representations of such statements. The optimization of pooled statements may be performed responsive to the tracked usage of the statements in a statement pool, to direct the overhead associated with such optimization to those statements that are more likely to be utilized in the future. Among a multitude of possible optimizations, a pooled statement that requests data in a format other than that utilized by the database being accessed may be modified to request the data in the format used by the database, thereby decreasing the overhead in the database associated with format conversions.
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