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摘要

PROBLEM TO BE SOLVED: To manage data for a data warehouse without the burden of a manager and to optimize and to stably operate the system in terms of self-growth and self-maturity in the data warehouse system provided with the data warehouse storing data extracted from a database storing data in a management respect system in a user respect system. ;SOLUTION: The data management means for the data warehouse 3 is provided with an SQL request monitoring means 4, an SQL request frequency judgment means 5, a user request monitoring means 6 and a user request frequency judgment means 7. Request frequency on respective pieces of data from the computer of the user is judged and data management on the data warehouse 3 is executed.;COPYRIGHT: (C)1998,JPO