XML and ADO.NET
If the XML data instance conforms to the DTD, the document is said to be:

type-valid.
an HTML document.
not-type-valid.
type-invalid.

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XML and ADO.NET
XML is:

a standardized yet customizable way to describe the content of documents only.
All of these
a hybrid of document processing and database processing only.
a subset of SGML only.

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