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They don’t need to be experts at data modeling, but they should be prepared to be involved in the creation of such a model, be able to read an existing data model, understand when and when not to create a data model, and appreciate fundamental data design techniques.

This article is a brief introduction to these skills.

I’ll only add more information where it’s needed, in this case I think that it isn’t.

However, a significant advantage of describing the names the way that Barker suggests is that it’s a good test to see if you actually understand the relationship – if you can’t name it then you likely don’t understand it.

Both diagrams apply the Barker notation, summarized below. An important observation about Figures 1 and 2 is that I’m not slavishly following Barker’s approach to naming relationships.