Francisca O. Oladipo, Jude O. Raiyetumbi
This aim of this research is to solve the portability problems of legacy data repositories during migration through the implementation of a data migration strategy for legacy databases. Our research revealed that provision was not made for migrating Enterprise databases from obsolete DBMS as they tend to become overgrown, excessively large and complex leading to a mutability and an inability to conform to the technology of contemporary architectures. We have carried out a re-engineering of the traditional data migration methodologies (the chickenlittle and butterfly) by building a middleware, Olaray through the development and incorporation of a software module (the condenser) into the design stages to achieve a 100% migration. Using Content Analysis techniques, a stepwise adaptation of the Structured Systems Analysis methods hybrid with Object Oriented Design for forward engineering was deployed to implement the migration tool. Microsoft Access 2010 provided the backend, while the ASP.Net, Visual Basic.Net and Java Applets were deployed for the frontend. The developed methodology was tested using different homogenous and heterogeneous databases from MYSQL, PregSQL and DbaseIV. A populated result for the migration exercises into remote database environment was obtained in this case which implied a 100% successful data migration to the cloud.
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