Data processing: database and file management or data structures – Database design – Data structure types
Reexamination Certificate
2006-10-31
2006-10-31
Pardo, Thuy N. (Department: 2165)
Data processing: database and file management or data structures
Database design
Data structure types
C707S793000, C707S793000, C707S793000, C707S793000, C707S793000
Reexamination Certificate
active
07130871
ABSTRACT:
A method, apparatus, and computer instructions for synchronizing a database used by a client device with at least one server. A locally unique identifier is associated with each record in the database at the client. The locally unique identifier for a deleted record is changed to a selected value. This value is selected in a manner to indicate that a record has been deleted. This locally unique identifier may be a negative value and may be selected by multiplying the locally unique identifier by a negative one. The selected value is used in synchronizing the database and is used to track records deleted since a last synchronization of the database. In the depicted examples, this selected value is unique and allows for mapping back to the locally unique identifier for the record.
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Acree Richard Kevin
Eagle Brian Lee White
Gengler William Harold
Paterson Roy
Dawkins Marilyn Smith
International Business Machines - Corporation
Pardo Thuy N.
Rolnik Robert
Yee Duke W.
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