How to use DTD in XML
Posted in
XML | DTD July 03, 2019
In this article you will learn how to use DTD in XML.
DTD IN XML
DTD stands for (Document Type Definition), and building block of xml. Or we can say it bind the xml element and attributes. It can be declare inside of xml document or external interface also. It define the rule for creating xml document. For this xml look like a well format, generally it is created in top of xml document . DTD also specifies that an xml can contain what elements in which order, and how the elements should be organized inside the other. It specifies that an element can contain what attributes.
This is example of DTD
<?xml version="1.0" encoding="utf-8" ?>
<!DOCTYPE note [
<!ELEMENT note (to,from,heading,body)>
<!ELEMENT to (#PCDATA)>
<!ELEMENT from (#PCDATA)>
<!ELEMENT heading (#PCDATA)>
<!ELEMENT body (#PCDATA)>
]>
<note>
<to> how are you </to>
<from>alok </from>
<heading>Reminder me</heading>
<body>Don't forget me this year</body>
</note>
|
Output of above written code is
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