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Re: [xml-dev] Separate data from rules ... is the XML Schema 1.1<assert> element a step backwards?


On Jun 15, 2009, at 5:10 PM, Costello, Roger L. wrote:

> Hi Folks,
> In the book Business Rules Applied, Barbara von Halle presents the  
> Business Rules Methodology, which fundamentally is about separating  
> rules from data: [1]

How about some more detail on how you're defining "business rule"?  A  
great deal of effort in database technology has been aimed at more  
closely integrating rules, at least rules like your security  
classification rules, into schemas, rather than trying to separate  
them.  From that point of view, the rules add to the data description,  
and using multiple languages (or multiple locations for various parts  
of the data description) where it isn't necessary just complicates  


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