So what is master data exactly?


 Is it the same as reference data, or is it much bigger, or smaller? Dan Lindstedt in another post I’ve linked to says how to implement it, but as David Loshin discusses here there isn’t really a clear definition. At the moment I think that Master data becomes reference data at the point that it is consumed by the end system – Master data exists, even when it isn’t being used for reference; reference data only exists in the act of referring!


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