Retrieval of related records from a relational database
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United States of America Patent
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-
Feb 14, 1989
Issued Date -
N/A
app pub date -
Mar 21, 1988
filing date -
Apr 17, 1987
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In the maintenance of a stored relational database, signals representing record occurrences related to a record occurrence of a starting relation are retrieved. Stored relationship attribute signals, including specification of a common relationship field, are used to generate a generic cursor defined against the destination relation record occurence is selected, values of the specified relation; the generic cursor is stored, and when a starting field are copied from it to the generic cursor to form a completed cursor. Destination relation record occurrence signals defined by the completed cursor are accessed and stored. Retrieval can be carried out interactively, allowing an operator to select from a display the starting relation record occurrence and the operation of retrieving the related occurrences, and to view representations of the stored destination record occurrences.
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