Method of maintaining a network of partially replicated database system
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United States of America Patent
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Feb 16, 1999
Grant Date -
N/A
app pub date -
Oct 8, 1997
filing date -
Oct 8, 1997
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Abstract
A partially replicated database is maintained so that updates made to a central database, or to another partially replicated database, are selectively propagated to the partially replicated database. Updates are propagated to a partially replicated database if the owner of the partially replicated database has 'visibility' to the data being updated. Visibility is determined by using predetermined rules stored in a rules database. Typically, the stored rules are assessed against data content of a plurality of tables making up a single logical entity, known as a docking object, that is being updated.
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