Bob Velke wrote: > Doug McDonald said: > >> Every person had exactly one mother and one father. Period. > The > rest of us want to record and transmit genealogical _evidence_ which > doesn't play by such neat and tidy rules. > > You, uh, clipped the part of my post where I made that point: there is one data model for the "birth" relationships ... and there simply is no "model" for anything else. That's the point. You say exactly the same thing I do: there is only ONE data model, beyond that, there is lots of data, but it can;t be forced into a "model". Doug McDonald

Doug said: >You, uh, clipped the part of my post where I made that point: >there is one data model for the "birth" relationships ... and there >simply is no "model" for anything else. That's the point. I understood your point, thanks. And no, I don't agree with you. If you know what a logical data model is, then please look at the GDM and then tell me that it can't be done. Thanks. Bob Velke Wholly Genes, Inc. -- No virus found in this outgoing message. Checked by AVG Free Edition. Version: 7.5.503 / Virus Database: 269.15.32/1131 - Release Date: 11/14/2007 4:54 PM