Database search information output method
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United States of America Patent
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Sep 2, 2008
Grant Date -
Sep 30, 2004
app pub date -
Feb 9, 2004
filing date -
Mar 28, 2003
priority date (Note) -
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Abstract
The invention provides information concerning records that cannot be retrieved on a search path among databases when the retrieval of search keys for other related databases and records is carried out in a plurality of databases in a chain-reactive manner. In the course of retrieving search keys and records in a chain-reactive manner up to a terminal database, information for identifying a group of search keys and a group of records retrieved through a series of retrieval processing is outputted in one line or one column of a table. When the record retrieved from a certain database in the chain-reactive search procedure does not contain a search key to be entered into a subsequent database, information for identifying a record that does not contain the search key and information for identifying a database having the record is outputted.
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