Entity-relation database
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United States of America Patent
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-
Sep 24, 1996
Issued Date -
N/A
app pub date -
May 8, 1995
filing date -
May 15, 1991
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An entity-relation database is disclosed to include a plurality of entity fields containing arrays of data elements, the data elements being related to each other in predefined sets, with each predefined set including data elements in at least two of the entity fields. At least one linked list defines the relationship between data elements between each of the predefined sets and provides a means for retrieving all of the elements of any selected predefined set from the two entity fields. The linked list consists of two distinct portions, namely, a head portion associated with each member of one entity field and a continuation portion associated with each member of another entity field, while each entry consists of a pair of addresses thereby forming a doubly linked list.
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