Preface
This book has been a long time in the writing. It has been over eight years since I first got directly involved with large-scale data migration. Although I suppose with a data architect background it was bound to happen sooner or later, I was still amazed, when I came to it for the first time, how easy it was to go wrong.
Struggling, I sought in vain for an instruction manual. It was not to be found.
We have Unified Modelling Language to help us model our new systems, we have Prince to manage our projects and we have, well who knows how many methodologies to choose from, to identify and manage our requirements analysis. But getting the right quality of data out of existing repositories and into our shiny new systems? We are left high ...
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