This chapter uses formal data modelling and data analysis concepts that are key to understanding the data requirements of an enterprise. I apologize for getting technical, but we really cannot get any further without resorting to the use of some industry standard modelling conventions.

If you are reading this book as a programme or business manager looking to gain an overview of what a data migration project should look like then I’ll allow you to glaze over as we discuss Conceptual Entity Models.


Along with data models you will often hear the term ‘metadata‘ bandied about amongst the technologists. Metadata is defined ...

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