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MANAGEMENT OF TIME-VARIANT DATA SCHEMAS IN DATA WAREHOUSES

  • US 20090216789A1
  • Filed: 03/30/2009
  • Published: 08/27/2009
  • Est. Priority Date: 06/15/2006
  • Status: Active Grant
First Claim
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1. A method, on an information processing system, for preserving information in time variant data schemas, the method comprising:

  • determining if at least one modification request associated with a database schema has been received;

    updating, in response to the modification request being received, a metadata table associated with the database schema to include at least one entry associated with the modification request, wherein the entry identifies an instance in time when an action associated with the modification request was performed.

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