(Elmasri & Navathe 1994) in which a transaction either succeeds (Commit) or. Finally, in order to organize the actions to be done during this project, the activity diagram was used and, also, the prototyping of the system interfaces was done. sistemas de gerncia de banco de dados ou mecanismos dedicados embutidos em. Atualizada, a obra aborda: - Conceitos fundamentais para projetar e usar os sistemas de banco de.
To illustrate this step, use case diagrams have been created, presenting all external agents that will communicate with the system internally and, for each use case, an explanatory flow was created in order to show its operation. Referncia acadmica tanto terica como prtica, Sistemas de banco de dados apresenta os aspectos mais importantes no apenas dos sistemas, mas tambm das aplicaes de banco de dados, alm de diversas tecnologias relacionadas ao assunto. The gathered requirements were used in the next cycle, in which it was necessary to describe the functionalities of the system that will be designed, making clear to the customer how the product requested by him will work. Based on these data, the requirements were researched and categorized so that nothing important was missing in the next phases of the project.
The first step was based on the client's interview, seeking to collect the informations that the client wanted to add in the software to be developed. In this situation, the article describes the modelling of a help system to the pedagogical sector of the Federal University of Itajubá - Itabira campus, with the purpose of assisting in the organization of the attendance documents created by this sector, because, currently, all the work is performed manually, which makes it difficult to process the treatments already done. (2005) Sistemas de Bancos de Dados.Addison-Wesley, 4a edição em português. The use of softwares has a great importance nowadays, it is possible to develop new technologies from them, to facilitate the tasks in several areas and, consequently, to bring practicality in the activities performed every day. Referências Elmasri, Ramez Navathe, Shamkant B.