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XML related definitions

 
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Hi !

I recently took some mock XML exams and I encountered the following
terms:

1.Static transformations = ?!! vs Just in time transformations
2.Parametrized DTDs = ?!!
3.Equivalent DOM nodes = ?!!
4.EDI System = ?!
5.Mixed content model = ?!
6.Just in time generation of XML documents = ?!!
7."Extended links are always external links ?!!" What are extended
links ?!

Can somebody explain what the meaning of those terms is ?


Regards,
Razvan
 
Razvan MIHAIU
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Hello,

Help is much appreciated... I am kind of lost in this XML stuff. Helping me to understand at least some of the issues will clarify a lot of related misunderstandings that I might have.

Regards,
Razvan
 
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Here's some explanations:

1.Static transformations = ?!! vs Just in time transformations


A static transformation is the act of running an XSLT transformation once and deploying the resulting XML document to use. A just-in-time transformation, on the other hand, would be to perform the XSLT transformation every time someone needs the resulting XML document. The benefit of static transformation is obviously performance, because you're only doing the rather expensive XSLT transformation once. One reason to use just-in-time translation could be that the input is changing so frequently that a static transformation is not enough -- i.e. you can't do the transformation and deployment all the time so you have to let it happen at runtime.

5.Mixed content model = ?!


If an element has mixed content model, it means that the element can contain other child elements as well as plain text content. For example:


6.Just in time generation of XML documents = ?!!


See my answer to 1.
 
Razvan MIHAIU
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Hi Lasse,


Thanks for your answers.


Regards,
Razvan
 
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