Data processing: database and file management or data structures – Database design – Data structure types
Reexamination Certificate
2003-11-14
2008-12-02
Channavajjala, Srirama (Department: 2166)
Data processing: database and file management or data structures
Database design
Data structure types
C707S793000
Reexamination Certificate
active
07461097
ABSTRACT:
In a software system (200/210/220) with a business application (200), database migration from a source database (210) to a physically different target database (230) is performed by a migration tool (260) that evaluates database instructions (201) that the application (200) consecutively sends to the source database (210). The migration tool (260) stores representations (254, 255) of an action type (205, D, I, U) and of a key (231) in a log table (250) when an action type coincides with a predetermined action type (D, I, U); copies source table entries to the target table (240); and adjusts entries in the target table that have keys represented in the log table (250). During migration, the application (200) and the source table continue communicating.
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Briam Guenter
Haas Frank-Martin
Kohler Bernd
Stahl Martin
Ziegler Torsten
Channavajjala Srirama
Fish & Richardson P.C.
SAP Aktiengesellschaft
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