专利名称:METHODS, SYSTEMS AND DEVICES FOR
PERFORMING INCREMENTAL UPDATES OFPARTIAL DATABASES
发明人:Bjørn-Harald SJØGREN申请号:US12500370申请日:20090709
公开号:US20110010344A1公开日:20110113
专利附图:
摘要:Methods, systems and devices for performing incremental updates of a partialdatabase stored on a client device from a computer system containing the database of
which the partial database is a subset. A first database record which has been insertedinto, deleted from or changed in the server database as a result of a database operationis identified in order to perform a corresponding operation on the client device. Inaddition, a second record that has not been inserted, deleted or changed, but that isrelated to the first record through a constraint, is identified. The second record isinserted into or deleted from the partial database through a database operation
performed on the client device such that the constraint is fulfilled in the partial database.Identification of records is based on database logs and on the structured relationshipbetween record types.
申请人:Bjørn-Harald SJØGREN
地址:Ski NO
国籍:NO
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