The ‘Global’ Data Model

I came across this term recently,  which is I’ve encountered before, but not a term I use often. This article from Bill Inmon (aptly titled ‘Three Types of Data Models’) suggests a Global Data Model  is one which can be used to reflect commonality between organisations, so it is a very, very high level data model.

So what is it exactly? A ‘Global Data Model’ is a synonym for a ‘Conceptual Data Model(CDM), perhaps a specific reference to a CDM at the highest possible level, given Conceptual Data Models are a high-level description of a business’s informational needs.