DOCUMENTING KEY BUSINESS DATA AREA RELATIONS

Create an overall model of all the Key Business Data Areas and how they relate.

If you started with my preference for a simple but formal Conceptual Entity Model then the entity model becomes your Key Business Data Area model. If you have done your job properly, even for the largest and most complex of programmes, there will be less than a dozen entities on your model and therefore less than a dozen Key Business Data Areas.

However, if you prefer, or sometimes if you inherit, a rich text diagram that the enterprise understands and you have chosen to decompose the project on the same lines, then use that. But whatever you choose, it should be printed out A0 size and stuck on the data migration project’s ...

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