• From: "Gavin Thomas Nicol" <gtn@e...>
• To: "XML-Dev Mailing list" <xml-dev@x...>
• Date: Mon, 10 Jul 2000 11:04:01 -0700

> > Schemas are only useful in some situations: many XML applications
> > built today already have data validation in them (in code).
> 
> You've just pointed out an important reason to use schemas -- to 
> minimize ad hoc validation by application code.

The value of schemas will increase dramatically if they are 
widely adopted/employed (for example, if all XML parsers provided 
a simple way to use schema validation).

I typically like to have validation early in a project to make sure all
generated data is correct (and batch validation typically suffices
here), and then later, never use it. Good for development, not useful 
in the day-to-day.




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