Graphing method and apparatus for data base retrieval

Details Graphing method and apparatus for data base retrieval Graphing method and apparatus for data base retrieval

1993-12-17

1997-01-07

Black, Thomas G.

Boots, shoes, and leggings

364488, 3642834, 364DIG1, G06F 1730

Patent

active

055926630

ABSTRACT:
The purpose of the present invention is to provide a graphical user interface which enables to show with graphs, as in FIG. 1, the quantity of and the logical relation between the sets of the database retrieved, to calculate and manipulate the sets by pointing the area of the rectangular shapes of the graphs, and to extract the data by pointing the area of the rectangular shapes of the graphs. The program of the present invention communicates with the database query language program through message exchanges between the programs or message exchanges at the terminal systems connected with the communication network, generates the retrieval instructions of the query language program by way of set creating, set drawing, set selection, set projection, and set extraction, and performs the input operation in place of the user. The present invention facilitates simple retrieval processing and supports logical thinking of the user to evaluate and judge the quantity of the set and the relation between the sets.

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