Re: [xml-dev] A single, all-encompassing data validation language - good or bad for the marketplace?

From
Anthony B. Coates (XML-Dev) <>
To
Andrew Welch <>
Date
2007-08-09T09:45:50Z
ID
<>
Thread
Re: [xml-dev] A single, all-encompassing data validation language - good or bad for the marketplace?
I was not in any sense confused.  Perhaps you would care to re-read what I  
wrote.  Cheers, Tony.

On Fri, 03 Aug 2007 15:58:13 +0100, Andrew Welch  
<> wrote:

> On 8/3/07, Anthony B. Coates (XML-Dev)  
> <> wrote:
>> I've seen it demonstrated using the commercial version of Saxon
>> (www.saxonica.com).  I believe the Altova XML Query Processor also has
>> support, although it may not be fully debugged yet (but is said to be
>> making progress).  I'm sure there are others, but I don't know which
>> ones.  The W3C list of XQuery implementations is here:
>>
>> http://www.w3.org/XML/Query/#implementations
>>
>> but this doesn't tell you which implement Schema-awareness.  I know that
>> some implementations apparently do not intend to implement it.  I'm sure
>> the vendors of XQuery processors that are Schema-aware won't be shy to
>> post a note to that effect on this list, but it would be helpful if the
>> W3C page captured that information, which it doesn't right now.
>
> I think you're a bit confused here - schema-aware transforms and
> XQueries are one thing, validating your input using a combination of
> XML Schema + XPath is another.
>
> Schema-aware transforms/XQueries require XML Schema - if you so wished
> you could implement some form of validation yourself using a
> combination of XSLT, XQuery and XML Schema[1], but when you talk about
> "Schema Aware" its purely about XML Schema.
>
> [1] like I did: http://xchecker.sf.net/

-- 
Anthony B. Coates
Senior Partner
Miley Watts LLP
Experts In Data
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