منابع مشابه
Gerenciamento Temporal de Versões para Evolução de Esquemas em BDOO
The use of versions has been essential in several database applications, allowing the storage and the handling of different database states. During the schema evolution, versioning is used to preserve all schema versions, as well as their instances. On the other hand, bitemporal database concepts, that incorporate transaction and valid timestamps, provide flexibility to schema evolution mechani...
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This paper proposes an integrity constraints classification for temporal versions databases. The main goal of this classification is helping future researches on their definition, specification and verification over this kind of database. Also, researches on the optimization of data integrity maintenance may be based on it. Constraints are deeply analyzed based on their origin, substance, speci...
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The Human-Computer Interaction (HCI) aspects concerning education, research and development are increasing due to this area importance in the development of interactive systems. An HCI discipline is being considered as one of the most important for undergraduate computing courses. This paper aims to present an analytic report of activities performed in two Brazilians universities. We present th...
متن کاملHenri Rousseau—known as Le Douanier Rousseau (1844–1910). The Snake Charmer (1907).
901 As the Gods began one world, and man another, So the snakecharmer begins a snaky sphere With moon-eye, mouth pipe. He pipes. Pipes green. Pipes water Sylvia Plath, " Snakecharmer " C ritics called him " naïve, " the term for painters with no formal training in art. Henri Rousseau, self-made late-bloomer from Laval, France, fit the definition. But his work proved that in art as in all ventur...
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ژورنال
عنوان ژورنال: Discurso
سال: 2017
ISSN: 2318-8863,0103-328X
DOI: 10.11606/issn.2318-8863.discurso.2017.141439