Patent ID: 6216124
Filing Date: 2001-04-10
Classification: G06F,Y10S

Abstract:
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 consistency definition data for defining data setup jobs for assuring consistency of database data of at least one of said trunk database and said public database and restricting conditions for executing said data setup jobs;setup means for recording/managing the consistency definition data for defining the data setup job for assuring the consistency of the database data of at least one of the master data and the transaction data, which are extracted from said trunk database, and the restricting conditions for executing said data setup jobs, by said dictionary;operations support means for extracting said master data and said transaction data from said trunk database to generate a public database, and for executing the data setup jobs for assuring the consistency of said database data by monitoring statuses of said public database and changing data environments and by referring to said consistency definition data of said dictionary; andinquiry means 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.