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Tyler Close wrote:
> On Friday 24 October 2003 11:08, Simon St.Laurent wrote:
>
>> RELAX NG does operate on a data model to some degree, but it
>> doesn't feel obsessed with creating data models. RELAX NG feels to
>> me like it is exclusively about creating patterns which can be
>> tested against XML documents. Does a document fit this pattern, or
>> not? Where does it fail?
>
>
> That's what a data model is. A data model tells you how you can
> expect data to be structured.
>
Not at all - or at least, not all data models. Consider an high-level
entity-relationship model - say, an IDEF1X logical view. It is all
about things and their relationships, and not about computer structures
at all.
Conversely, what is the data model for this?
field1 - 2bits
field2 - 13 bits
field3 - 4 bits
Cheers,
Tom P
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