منابع مشابه
Geração Automática de Visões de Objeto de Dados Relacionais
Views are used to publish data from a database into a new structure or schema. The definition of object views over relational data allows this data to be published into an object oriented structure, without the need for changing the database schema. This paper proposes a three-step approach to generate object views of relational data. First, the user defines the view schema. Second, the user id...
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Silicone based oil is heated in the boiler of the diffusion pump and the vaporized oil rises in the central tower and streams out of directional flutes directed downward in the pump throat. This allows air molecules to dissolve in the gaseous oil (gas dissolved in gas). As the oil-air mixture cools (due to water cooling coils wrapped around the pump throat) the oil condenses and returns to liqu...
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ژورنال
عنوان ژورنال: Revista Brasileira de Estudos da Presença
سال: 2013
ISSN: 2237-2660
DOI: 10.1590/2237-266033506