XML and ADO.NET
If an XML document does not have a DTD, then by definition it is:

an HTML document.
type-valid.
not-type-valid.
None of these

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XML and ADO.NET
With XML:

views are not limited to one multi-valued path only.
database data can automatically be extracted from XML documents only.
documents can automatically be generated from database data only.
All of these

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