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Method and apparatus for efficient transmission of result set data

  • US 7,188,102 B1
  • Filed: 09/09/2003
  • Issued: 03/06/2007
  • Est. Priority Date: 09/09/2003
  • Status: Active Grant
First Claim
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1. A computer-implemented method of efficiently transmitting a result set in response to a data request, the method comprising:

  • at a data server, receiving a data request from a requestor, wherein the data request requests less than all columns of a set of rows of a data table;

    determining whether the number of columns in said less than all columns is greater than a threshold percentage of all columns in the data table;

    informing the requester of the storage format of rows of the data table; and

    if the number of columns in said less than all columns is greater than the threshold percentage of all columns, for each row in the set of rows;

    retrieving all columns of the row, as stored in the storage format; and

    without disassembling the row into columns, transmitting the row to the requestor.

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