tailieunhanh - Lecture Introduction to XML: Document Type Definition (DTD)

After completing this chapter, students will be able to: Describe the reasons for using DTDs, define well-formed versus valid documents, define the grammar rules for an XML document using DTDs, describe the difference between non-validating and validating processors,. | Ilííllll Welcome to Document Type Definition DTD Copyright IBM Corporation 2004 Course materials may not be reproduced in whole or in part without the prior written permission of IBM. Unit Objectives After completing this unit you should be able to Describe the reasons for using DTDs Define well-formed versus valid documents Define the grammar rules for an XML document using DTDs Describe the difference between non-validating and validating processors Describe examples of DTDs being used in business Describe best practices used in DTDs Define the limitations of DTDs Describe the status of the DTD in the industry Copyright IBM Corporation 2004 Review Well-Formed XML Has the optional first line required if encoding is not UTF-8 or UTF-16. xml version Matching start and end element tags with correct syntax. tag data tag Defines attributes within start tag and quotes correctly. tag attribute x data tag Correct nesting of elements. employee name John Smith name id X04913 id employee .and Single Root and XML naming constraints These are simple constraints on the structure of an XML document. Copyright IBM Corporation .