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Implementing change data capture by interpreting published events as a database recovery log

  • US 9,798,626 B2
  • Filed: 11/11/2014
  • Issued: 10/24/2017
  • Est. Priority Date: 11/11/2014
  • Status: Expired due to Fees
First Claim
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1. A computer system for implementing a change capture system using an event publishing system as a database recovery log, the computer system comprising:

  • one or more processors, one or more computer-readable memories, one or more computer-readable tangible storage medium, and program instructions stored on at least one of the one or more tangible storage medium for execution by at least one of the one or more processors via at least one of the one or more memories, wherein the computer system is capable of performing a method comprising;

    determining a set of data based on a description of events, wherein the set of data comprises a plurality of data for which change capture is possible;

    selecting at least one item of data from within the determined set of data, wherein the at least one item of data requires change capture to be performed;

    identifying at least one published event based on the at least one selected item of data, wherein the at least one published event is produced by the event publishing system, and wherein the at least one published event is a person event where a plurality of information related to a customer is changed in a source database;

    instructing the event publishing system to deliver the at least one identified published event to the change capture system;

    receiving, by the change capture system, the at least one identified published event;

    extracting the at least one identified published event from a persisted store, wherein the at least one identified published event is extracted from the persisted store using an algorithm that provides log dependency information for a source database;

    analyzing a plurality of information contained within the at least one identified published event;

    identifying a change associated with the at least one item of selected data; and

    recording the identified change to the at least one item of selected data to a repository.

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