What is XML DTD explain?

Related questions

1. Why are XML files used?
2. What are the three main types of XML documents?
3. What is the requirement of XML schema?
4. What language is used for defining XML schema?
5. What is a valid document in XML?
6. What is XML Schema and DTD explain XML schema example?
7. What is the use of namespace in XML?
8. What is well formed and valid XML document?
9. Why is XML used for document standards?
10. What is XML Schema instance?

Tags

1. #defines
2. #legal
3. #define
4. #attributes
5. #definition
6. #stands
7. #blocks
8. #document
9. #building
10. #elements
11. #structure