External DTD | XML DTD | XML Validation | Web Technology | PART - 6 | Telugu

XML DTD : DTD stands for document type definition.
A document type definition defines the legal building blocks of an xml document.
It defines the document structure with a list of legal elements and attributes.

Two types of DTDs:
1. Internal DTD
2. External DTD

1. Internal DTD : A dtd can be declared inside an xml document is called as internal dtd.
2. External DTD: In external dtd, elements are declared outside the xml file.

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Internal DTD | XML DTD | XML Validation | Web Technology | PART - 5 | Telugu
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