Title:
CONTROL SYSTEM, CONTROL DEVICE, CONNECTION METHOD, AND PROGRAM
Document Type and Number:
Japanese Patent JP2019008703
Kind Code:
A
Abstract:
To make it possible to connect a plurality of databases by matching the periods of time stamps of respective data.SOLUTION: An item (LEVEL) for designating time stamp accuracy is added to an inquiry syntax of a query (SQL syntax). For table connection, a query designating desired accuracy is transmitted to the LEVEL. The query is analyzed by a query parser 101b, and an individual query is generated and transmitted for each of databases to be inquired. In connecting acquired tables, the number of digits of the time stamps is made uniform according to the designated accuracy, and the tables are connected according to the time-series of the time stamps.SELECTED DRAWING: Figure 5
Inventors:
KAWANOKAMI SHINSUKE
Application Number:
JP2017126208A
Publication Date:
January 17, 2019
Filing Date:
June 28, 2017
Export Citation:
Assignee:
OMRON TATEISI ELECTRONICS CO
International Classes:
G06F12/00
Attorney, Agent or Firm:
Kurata Masatoshi
Nobuhisa Nogawa
Naoki Kono
Tadashi Inoue
Ukai Ken
Shigeru Iino
Nobuhisa Nogawa
Naoki Kono
Tadashi Inoue
Ukai Ken
Shigeru Iino