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STRUCTURE OF HIERARCHICAL COMPRESSED DATA STRUCTURE FOR TABULAR DATA

  • US 20100278446A1
  • Filed: 11/12/2009
  • Published: 11/04/2010
  • Est. Priority Date: 04/30/2009
  • Status: Active Grant
First Claim
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1. A method comprising:

  • receiving a set of tabular data;

    wherein the set of tabular data is divided into a plurality of rows, each of which includes data for a particular set of columns;

    storing data for a first set of rows, of said plurality of rows, in a first compression unit;

    storing data for a second set of rows, of said plurality of rows, in a second compression unit;

    storing data that indicates whether, within said first compression unit, data for said first set of rows is stored in column-major format or in row-major format;

    wherein the steps of receiving and storing are performed by one or more computing devices.

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