| 摘要 |
PROBLEM TO BE SOLVED: To facilitate the reference to an access history against a table which is linked among plural data bases and also to facilitate the redisplay of a table of the linking side by displaying an access history to a table contained in every data base based on the history information and displaying again the table of the linking side while controlling the history information. SOLUTION: A data base retrieval processing means (a WWW server part 902, etc.), refers to a data base information file when a table contained in a data base is accessed to detect a link set to a table of another data base and then accesses a table contained in a data base of the linked side that is designated by a relevant file. A history display means (a data base retrieval processing part 903, program to be executed by a WWW client 802) displays an access history to the display in every data base based on the history information. A redisplay means (the part 903, program to be executed by the client 802) displays again a table of an optional linking side while controlling the history information.
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