What is DTD (Document Type definition)

Q

What is DTD (Document Type definition)?

✍: Guest

A

It defines how your XML should structure. For instance in the above XML we want to make it compulsory to provide “qty” and “totalcost”, also that these two elements can only contain numeric. So you can define the DTD document and use that DTD document with in that XML.

2007-10-31, 6297👍, 0💬

If XML does not have closing tag will it work
If XML does not have closing tag will it work? No, every tag in XML which is opened should have a closing tag. For instance in the top if I remove </discount> tag that XML will not be understood by lot of application. 2007-10-31, 9043👍, 0💬

What is DTD (Document Type definition)
What is DTD (Document Type definition)? It defines how your XML should structure. For instance in the above XML we want to make it compulsory to provide “qty” and “totalcost”, also that these two elements can only contain numeric. So you can define the DTD document and use that DTD document with in... 2007-10-31, 6298👍, 0💬

What is well formed XML
What is well formed XML? If a XML document is confirming to XML rules (all tags started are closed, there is a root element etc) then it’s a well formed XML. 2007-10-31, 6121👍, 0💬

Is XML case sensitive
Is XML case sensitive? Yes, they are case sensitive. 2007-10-31, 6074👍, 0💬

Is XML meant to replace HTML
Is XML meant to replace HTML? No, they both go together one is for describing data while other is for displaying data. 2007-10-31, 6053👍, 0💬

What is XSL
What is XSL? XSL (the eXtensible Stylesheet Language) is used to transform XML document to some other document. So its transformation document which can convert XML to some other document. For instance you can apply XSL to XML and convert it to HTML document or probably CSV files. 2007-10-31, 5947👍, 0💬

What is a valid XML
What is a valid XML? If XML is confirming to DTD rules then it’s a valid XML. 2007-10-31, 5925👍, 0💬

What is CDATA section in XML
What is CDATA section in XML? All data is normally parsed in XML but if you want to exclude some elements you will need to put those elements in CDATA. 2007-10-31, 5889👍, 0💬

What is CSS
What is CSS? With CSS you can format a XML document. 2007-10-31, 5827👍, 0💬

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