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RE: Quiz: XML flexibility

• To: "'Razvan MIHAIU'" <mihaiu@m...>, <xml-dev@l...>
• Subject: RE: Quiz: XML flexibility
• From: "Michael Kay" <mike@s...>
• Date: Sun, 27 Feb 2005 20:19:39 -0000
• In-reply-to: <20050227215936.djrww2q7440ss00c@w...>
• Thread-index: AcUdBxQmNoyJ7nWrRcmgH8W88rj3iwAAloqw

Yes, it's a stupid question, and a stupid answer. 

Sounds like it came from an XML accreditation test: such things are nearly
always stupid.

Michael Kay
http://www.saxonica.com/

 

> -----Original Message-----
> From: Razvan MIHAIU [mailto:mihaiu@m...] 
> Sent: 27 February 2005 20:00
> To: xml-dev@l...
> Subject:  Quiz: XML flexibility
> 
> 
> Hi,
> 
> 
> 
> 
> 	In an XML quiz I found the following question:
> 
> >>>
> 
> A company wants to develop an EDI system, which will help it 
> to integrate with
> its various trading partners (suppliers and clients). Their 
> previous attempt
> failed, as it required a unique implementation for each pair 
> of trading
> partners. Now they want to explore the capabilities of XML to 
> make this system
> efficient.
> 
> The company wants to keep the structure of XML documents 
> flexible and open to
> future changes. Which of the following is most likely implied by this
> requirement ?
> 
> A. XML Schema;
> B. mixed content model;
> C. XSL stylesheets;
> D. validating parser;
> 
> >>>
> 
> Correct answer: B
> My choice: A
> 
> 
> 	Isn't this a dumb question ? I mean if you choose A you 
> can certainly use mixed
> content model with XML Schema, so answer A and B are not exclusive.
> 
> 	What I am really trying to understand is "what is 
> flexibility" ? In any XML
> document you can add elements and attributes at will if you update the
> associated schema. Old applications would just ignore the new 
> elements and
> attributes, so "flexibility" is build-in into XML. So, what 
> are you doing when
> you want to design a flexible XML document ?
> 
> 	Can somebody give me an example of an XML document that 
> is *not* flexible as
> opposed to one that it is ?
> 
> 
> 
> 
> 
> Regards,
> Razvan
> 
> 
> www.mihaiu.name
> 
> 
> 
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• References:
  • Quiz: XML flexibility
    • From: Razvan MIHAIU <mihaiu@m...>

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