<em>Dois irmãos</em>, de Milton Hatoum: versões de homem cordial

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...

Classificação de Restrições de Integridade em Bancos de Dados Temporais de Versões

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...

Avaliação de Ferramentas para Controle Automatizado de Versões de Artefatos e Requisitos de Software

The control of all the artifacts generated by a development team tends to be a great challenge in software development process. Such a need starts in the moment that the project begins, that is, in the preliminary requirements elicitation phase. From this moment on, any change not duly registered can reflect in failure at the end of the project. Having tools that allow the control of the artifa...

Vaccination antirougeoleuse: Etude de l'immunité humorale chez les enfants Vaccinés de la région de Tunis

Parasites du sang de divers animaux de la region de Tehran