Web Data Management
There is a way of describing XML data, how?

XML uses a DTD to describe the data & XML uses a description node to describe data
XML uses XSL to describe data
XML uses a description node to describe data
XML uses a DTD to describe the data

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Web Data Management
The use of a DTD in XML development is ?

a good guide to populating a templates to be filled in when generating an XML document automatically
no longer necessary after the XML editor has been customized
used to direct conversion using an XSLT processor
required when validating XML documents

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Web Data Management
In XML

the external DTD subset is read before the internal DTD
there is no external type of DTD
there is no internal type of DTD
the internal DTD subset is read before the external DTD

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