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[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] 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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