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Database system with original and public databases and data exploitation support apparatus for displaying response to inquiry of database system

  • US 6,253,199 B1
  • Filed: 02/08/2000
  • Issued: 06/26/2001
  • Est. Priority Date: 12/26/1994
  • Status: Expired due to Term
First Claim
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1. A database system comprising:

  • a trunk database for storing master data and transaction data of a trunk system;

    a public database extracted from said trunk database and subjected to a predetermined processing for an information system;

    a dictionary for storing data containing time series definition data to regulating a grouping type for making time series data from data which are sent out from said trunk database to said public database;

    setup means for recording/managing the time series definition data for making the time series data from the data of said transaction data, which are extracted from said trunk database, in connection with data items by said dictionary;

    operations support means for extracting said master data and said transaction data from said trunk database on the basis of setting of said setup means to generate a public database, and for making time series data from the data which are extracted from said trunk database, by monitoring statuses of said public database and changing data environments and by referring to said time series definition data; and

    inquiry means for processing said time series data with reference to said time series definition data and for processing/outputting the data of said public database, which have been processed by said setup means and said operations support means, in accordance with a demand of a user.

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