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RE: DTD vs Schema

• From: Jeff Lowery <jlowery@s...>
• To: "'Khamesra, SandeepX'" <sandeepx.khamesra@i...>
• Date: Mon, 21 May 2001 13:42:18 -0700

The short answer is that DTD's and XML Schemas are roughly equivalent in
their ability to define XML document structure; XML Schemas provide much
better validation capabilities for attribute values and data content.

For a brief (albeit somewhat dated) comparison, check:

http://www.cse.ucsc.edu/~douglas/proximl/node4.html


> -----Original Message-----
> From: Khamesra, SandeepX [mailto:sandeepx.khamesra@i...]
> Sent: Monday, May 21, 2001 1:12 PM
> To: 'Uche Ogbuji'; Bullard, Claude L (Len)
> Cc: xml-dev@l...
> Subject: DTD vs Schema
> 
> 
> 
> I am new to the list so not sure if it is already been answered.. Just
> wondering how DTD is different from Schema. Secondly, when do 
> you check for
> a valid XML document. If my XML is coming from a known source 
> do you still
> check its grammer.. Is there any overhead of that.. 
> 
> 
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