Using XML in Applications
eXtensible Markup Language (XML) uses markup tags to define or describe data, not display data (which is what HTML is for). XML is an industry standard that allows data to be exchanged between systems, whether the data is exchanged over the Internet or within an intranet. XML allows designers to define their document structure and create their own tags. Some terms associated with XML are listed and described in Table 16.6.
| Term | Description |
|---|---|
| DTD | Document Type Defintion defines the data structure of the document, which guarantees consistency and proper interpretation of the data when exchanged with other systems. DTD includes element names and attributes, tree structure of the data, number of elements, ... |
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