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Input/output efficiency for online analysis processing in a relational database

  • US 8,719,312 B2
  • Filed: 03/27/2012
  • Issued: 05/06/2014
  • Est. Priority Date: 03/31/2011
  • Status: Expired due to Fees
First Claim
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1. A method comprising:

  • selecting a table of a relational database;

    splitting, by a computer, the selected table by column into sub-tables, wherein at least one of the sub-tables includes at least two columns; and

    writing each of the sub-tables into corresponding tables of a row-based storage database, the writing including;

    specifying one of the sub-tables as a base sub-table;

    creating a row identifier (RID) for each row in the base sub-table;

    adding the RIDs to each row of the base sub-table; and

    adding the RIDs to each corresponding row of each of the sub-tables.

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