Storing a key value to a deleted row based on key range density
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United States of America Patent
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May 21, 2019
Grant Date -
Jun 9, 2016
app pub date -
Feb 15, 2016
filing date -
Jan 14, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
In an embodiment, a first key value is received. A plurality of candidate rows are found in a database table, wherein the plurality of candidate rows are deleted. For the plurality of candidate rows, a plurality of respective impacts on a plurality of respective densities of each of other key values that are stored within a first key range of the first key value are calculated. For the plurality of candidate rows, a plurality of function results of the plurality of respective impacts on the plurality of respective densities are calculated. A selected candidate row of the plurality of candidate rows with a smallest function result of the plurality of function results of the plurality of respective impacts on the plurality of respective densities is selected. The first key value is stored to the selected candidate row.
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