Application portability and extensibility through database schema and query abstraction

The present invention generally is directed to a system, method and article of manufacture for accessing data independent of the particular manner in which the data is physically represented. In one embodiment, a data repository abstraction layer provides a logical view of the underlying data reposi...

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Bibliographic Details
Main Authors Dettinger, Richard Dean, Johnson, Peter John, Stevens, Richard Joseph, Tong, Ikhua, Will, Eric
Format Patent
LanguageEnglish
Published 07.02.2006
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Summary:The present invention generally is directed to a system, method and article of manufacture for accessing data independent of the particular manner in which the data is physically represented. In one embodiment, a data repository abstraction layer provides a logical view of the underlying data repository that is independent of the particular manner of data representation. A query abstraction layer is also provided and is based on the data repository abstraction layer. A runtime component performs translation of an abstract query into a form that can be used against a particular physical data representation.