METHOD AND DEVICE FOR MANAGING DATA BASE, AND METHOD AND DEVICE FOR RETRIEVING DATA FROM DATA BASE

Title:

METHOD AND DEVICE FOR MANAGING DATA BASE, AND METHOD AND DEVICE FOR RETRIEVING DATA FROM DATA BASE

Document Type and Number:

WIPO Patent Application WO/1995/009400

Kind Code:

A1

Abstract:

A grouped data base (10) includes a plurality of small data bases (10A) in which data are stored in sets of data including specific classified data (male, female, annual income of above 20 million yen, etc.). Retrieval from the grouped data base (10) is performed in accordance with given retrieval conditions. The given retrieval conditions are successively stored in a retrieval result data base (11). The small data bases (10A) in the data base (10) are reorganized according to frequently used conditions out of the retrieval conditions.

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Inventors:

TSUTSUMI YASUHIRO (JP)
TASHIMA TOSHIHIRO (JP)
NAKAJIMA HIROSHI (JP)

Application Number:

PCT/JP1994/001635

Publication Date:

April 06, 1995

Filing Date:

September 30, 1994

Export Citation:

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Assignee:

OMRON TATEISI ELECTRONICS CO (JP)
TSUTSUMI YASUHIRO (JP)
TASHIMA TOSHIHIRO (JP)
NAKAJIMA HIROSHI (JP)

International Classes:

G06F12/00; G06F17/30; (IPC1-7): G06F17/30

Foreign References:

JPS63223827A	1988-09-19
JPH01277932A	1989-11-08
JPH03290730A	1991-12-20
JPH04355879A	1992-12-09
JPH0460768A	1992-02-26
JPH0293767A	1990-04-04

Other References: