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Replicação assíncrona em bancos de dados evolutivos

Helves Humberto DominguesFabio KonJoão Eduardo Ferreira

Evolutionary database modeling is necessary due to frequent changes in application requirements. The challenge is greater when the database must support multiple applications simultaneously. The current solution for evolution is refactoring with a transition period, during which both the old and the new database schemas coexist and data is replicated via a synchronous process, what brings several difficulties, such as interference with the normal operation of applications. To minimize these difficulties, this paper proposes an asynchronous process to keep these schemas updated and presents a prototype tool to evolve databases.

http://www.lbd.dcc.ufmg.br:8080/colecoes/sbbd/2009/009.pdf

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