1 DATA MIGRATION: WHAT’S ALL THE FUSS?

In this chapter I explain what an enterprise application data migration is and look at the key mistakes that lead to the high failure rate of data migrations across the board. I also explain the responsibility gap and why it is instrumental in most failing data migration projects.

WHAT IS DATA MIGRATION?

This book is about data migration, as the title suggests, but more properly it is about enterprise application migration, by which I do not mean the relocation of data centres or the regular movement of data between, say, a business system and a data warehouse. Data migration is the one-off movement of data from old systems to a new repository. It is intended to be a one-way trip with no return. More formally, ...

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