A
agent_008_nl
Guest
And this has nothing to do with the order number thing, that is a natural key while we were talking about surrogates here... so it should not have any meaning Forgot to react on this one. When the ordernumber is system-generated (it mostly is) it can be seen as a surrogate too. Why not, like f.e. in chemistry HSO4 minus can act as acid as well as as basic.
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