In accordance with methods and systems consistent with the present invention, an improved object-relational mapping tool is provided that generates source code containing classes which preserve both changes to the database schema as well as customizations to a preexisting version of the classes. This functionality alleviates the programmer from having to recreate their changes to the classes when the database changes, thus saving significant development time over conventional systems.

De acordo com os métodos e os sistemas consistentes com a invenção atual, uma ferramenta traçando objeto-relacional melhorada é contanto que gera o código de fonte que contem as classes que preservam ambas as mudanças ao schema da base de dados as.well.as customizations a uma versão preexisting das classes. Esta funcionalidade alivia o programador de ter que recrear suas mudanças às classes quando a base de dados muda, assim do excesso significativo do tempo de desenvolvimento do saving sistemas convencionais.

 
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