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System, method, and computer program product for providing and incremental retrieval adaptor

  • US 5,900,000 A
  • Filed: 03/05/1998
  • Issued: 05/04/1999
  • Est. Priority Date: 06/07/1995
  • Status: Expired due to Fees
First Claim
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1. A computer system for accessing and retrieving data, said computer system comprising:

  • a processor;

    a base file;

    a change associated with the base file, rather than modifying the base file by the change and storing the result as a new file; and

    an incremental retrieval adaptor for enabling the processor to merge the change with the base file thereby forming a logical new file;

    wherein the incremental retrieval adaptor performs the merging in response to a call from an application running on the processor, and the incremental retrieval adaptor then provides or otherwise makes the logical new file available to the application.

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