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Data processing system, accounting system, and data processsing system operating method

  • US 20020143756A1
  • Filed: 03/19/2002
  • Published: 10/03/2002
  • Est. Priority Date: 03/30/2001
  • Status: Active Grant
First Claim
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1. ) A data processing system for performing data processing in response to a process request input from an external source, comprising:

  • a main database for receiving and storing data comprising at least part of data stored in a sub-database of an alternative data processing system, from said alternative data processing system;

    a main processor for performing a predetermined process on data based on said process request and said data stored in said main database; and

    a data transmitter/receiver for transferring to said alternative data processing system, in an asynchronous manner, change information in said data stored in said main database resulting from the process performed by said main processor.

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