Value range synopsis in column-organized analytical databases
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United States of America Patent
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Jun 25, 2019
Grant Date -
Jan 11, 2018
app pub date -
Sep 21, 2017
filing date -
May 6, 2016
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Abstract
The method may include providing, in accordance with a column-oriented storage technique, the data table as columns corresponding to the plurality of attributes, whereby each column includes a plurality of separate data blocks. The method may also include determining the plurality of records of the provided data table for which a plurality of attribute values of at least one selected column is contained in a plurality of predetermined data blocks. The method may further include determining, for each column of at least a part of the plurality of columns within the determined plurality of records, a plurality of attribute value information descriptive of an associated attribute within the column and providing an indication of the one or more data blocks for which the plurality of attribute value information is determined. The method may also include storing the determined plurality of attribute value information for enabling query processing.
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