Applications are :

1. Tree model
2. Data model
3. DTD(Document Type Definition)
4. XSD(XML Schema Definition)

• eXtensible Markup Language (XML) is developed by the World Wide Web Consortium (W3C), which is used as a format to store and transfer data over the Web.
• XML is a markup language based on simple, platform-independent rules for processing and displaying textual information in a structured way.
• XML was designed …