Is it necessary to validate XML file against a DTD? Justify

preeti.tankwal

 Profile Answers by preeti.tankwal Questions by preeti.tankwal

• Mar 2nd, 2010

No it is not mandatory to use DTD always.The preferred approach is to validate XML documents against XML schema definitions (XSD schemas). However, you can also validate XML against DTD's or XML-D...

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How do you check if a given XML file is valid?

Sanjida123

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• Jun 4th, 2010

Open the file with Internet Explorer.

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What is the relationship between XML and SGML? Does XML replace SGML or is it a subset of SGML?

Sandhya.Kishan

 Profile Answers by Sandhya.Kishan Questions by Sandhya.Kishan

• Mar 21st, 2012

SGML is the basis XML and HTML and provides a way to define markup languages and sets the standard for their form.SGML passes structure and format rules to markup languages.

XML is a subset of SGML.It is a meta language and is used to define other markup languages.

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