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   RE: [xml-dev] key constraint question

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I would just get rid of the optional/needed attribute, as it ain't needed.  

> From: Chiusano Joseph [mailto:chiusano_joseph@bah.com]
> I might be missing something...how does that ensure there is a TableB
> with the relationship of "needed"? Couldn't the one 
> occurrence of TableB
> still have an attribute value of "optional"?


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