Title:
【発明の名称】項目選択装置
Document Type and Number:
Japanese Patent JP3052380
Kind Code:
B2
Abstract:
PURPOSE:To extract the only required record from a retrieval objective file even when data which is not contained in the record of a retrieval objective file is specified as the retrieval objective. CONSTITUTION:A disk device 16 is provided with a merchandise stock management file containing data being 1:1 for each record of this file as well as a merchandise master file. When a code address (the name of merchandise) is turned to be a retrieval condition and the number of stocks an extraction condition, a record retrieval device 15 retrieves the merchandise master file based on the retrieval condition, and a record retrieval device 19 retrieves the merchandise stock management file based on this retrieval result and the extraction condition. As this result from among each record in the merchandise master file corresponding to the code address, the only record matched with the number of stocks are extracted from the merchandise master file.
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Inventors:
Koetsu Onodera
Application Number:
JP41747090A
Publication Date:
June 12, 2000
Filing Date:
December 31, 1990
Export Citation:
Assignee:
CASIO COMPUTER CO.,LTD.
International Classes:
G06F12/00; G06F17/30; (IPC1-7): G06F17/30; G06F12/00
Domestic Patent References:
| JP58172748A |
Other References:
中村仁之輔，板倉一郎ほか，「データベースプロセッサＲＩＮＤＡの最適化方式」，情報処理学会第３７回（昭和６３年後期）全国大会講演論文集ｐｐ．３８５−３８６
Attorney, Agent or Firm:
Jiro Sugimura