Granular creation and refresh of columnar data
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United States of America Patent
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Mar 28, 2017
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N/A
app pub date -
Jul 21, 2014
filing date -
Sep 21, 2013
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Abstract
Techniques are provided for granular load and refresh of columnar data. In an embodiment, a particular data object that contains particular data formatted different from column-major format is maintained, the particular data including first data and second data. First and second data objects contain the first and second data, respectively, organized in the column-major format. In response to changes being committed to the first data in the particular data object, invalidating one or more rows of the first data object. In response to a number of invalidated rows of the first data object exceeding a threshold, automatically performing a refresh operation on the first data object independent of any refresh operation on the second data object.
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