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Modernizing Legacy Systems: Software Technologies, Engineering Processes, and Business Practices by Grace A. Lewis, Daniel Plakosh, Robert C. Seacord

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Chapter 15. Code and Data Migration

Code and Data Migration

with Santiago Comella-Dorda

Santiago Comella-Dorda is a business analyst with McKinsey & Company.

 

Give me where to stand, and I will move the earth.

 
 --Archimedes, Mathematical Collection,book VIII, proposition 10, section 11,Pappus of Alexandria (date unknown)translated into Latin (1588)

As noted at the end of Chapter 13, RSS stakeholders selected an architectural transformation strategy that dictated that code be migrated in the first phase, followed by the database in a second phase. Parallel operations would not be used. In Chapter 14, we selected a system preparation strategy that migrates data from DMS to ...

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