7 METADATA AND KEY BUSINESS DATA AREA DECOMPOSITION
This chapter introduces the concept of metadata, and the creation of data models. It looks at the use of data models within PDMv3. It illustrates the fallacy of the statement, ‘The underlying data structure cannot be altered.’
This chapter then discusses how to break a large programme down into small sections for effective control, and the use of metadata models to facilitate this.
METADATA AND PDMV3
Data migration projects are intimately concerned (as the name suggests) with data so it is perhaps not surprising that a rigorous methodology like PDMv3 will adopt a formal approach to cataloguing its understanding of the data elements that it confronts. This problem is exacerbated because ...
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