XML Simplified

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Module 2 Namespaces Figure 2.1 depicts duplicate elements. Concepts Figure 2.1: Duplicate Elements 2.1.3 Namespaces In XML, elements are distinguished by using namespaces. XML Namespaces provide a globally unique name for an element or attribute so that they do not conflict one another. A namespace is a collection of names that can be used as element names or attribute names in XML document. XML namespaces provide the following advantages: ‣ ¾ Reusability XML Namespaces enable reuse of markup by making use of the elements and attributes that were defined earlier. ‣ ¾ Modularity Reusable code modules can be written, and these can be invoked for specific elements or attributes. Elements and attributes from different modules can be integrated into a single XML document. Universally unique element names and attributes guarantee that such modules can be invoked for certain elements and attributes. ‣ ¾ Extensibility XML Namespaces provide the XML documents with the ability to embed elements and attributes from other vocabularies like MathML, XHTML (Extensible HyperText MarkUp Language), and so forth. Version 1.0 © Aptech Limited XML Simplified
Module 2 Namespaces Note: A Namespace is identified by the Uniform Resource Identifier (URI). For example, we can have all three elements named as 'batch'. The first referring the batch of students in Aptech Education Center, the second a batch of products, and the third, a batch of tourists. The element batch can be identified with a unique URI as given. http://www.Aptech_edu.ac.batch http://www.tea.org.batch http://www.tourism.org.batch Concepts Knowledge Check 1 1. Which of these statements about XML elements and XML Namespaces are true and which statements are false? (A) (B) (C) (D) Browser has the ability distinguish duplicate element names in an XML document. XML developer has to ensure the uniqueness of the element names and attributes in a document. A namespace is a collection of names that can be used as element names or attribute names in XML document. In XML, elements are distinguished by using DTD. 2.2 Working with Namespaces Syntax In this last lesson, Working with Namespaces syntax, you will learn to: ‣ ¾ Explain the syntax for XML namespaces. ‣ ¾ Discuss attributes and namespaces. ‣ ¾ Discuss how to use default namespaces. 2.2.1 Prefixing Element Names Namespaces are a mechanism by which element and attribute names can be assigned to groups. They also ensure that there is no conflict within element names. The best way to solve this problem is for every element in a document to have a completely distinct name. Therefore, the XML Namespace prefixes are directly attached to names as well as names of its attributes and descendants. XML Simplified Version 1.0 © Aptech Limited
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Page 9: Table of Contents Sessions 1. Intro
Page 12 and 13: Module 1 Introduction to XML Markup
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Page 49: Module 2 Namespaces Module Overview
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Page 57 and 58: Module 2 Namespaces 2.2.6 Override
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Page 61 and 62: Module 3 DTDs Module Overview Welco
Page 63 and 64: Module 3 DTDs Properties Document T
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Page 79 and 80: Module 3 DTDs Value Description Syn
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Page 91 and 92: 4Module XML Schema Module Overview
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Module 4 XML Schema Reference to Bo
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Module 4 XML Schema Concep
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Module 4 XML Schema The built-in da
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Module 4 XML Schema Syntax: Code S
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Module 4 XML Schema Code Snippet: T
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Module 4 XML Schema elementFormDefa
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Module 4 XML Schema 4.3.1 Complex T
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Module 4 XML Schema 4.3.2 Defining
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Module 4 XML Schema Knowledge Check
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Module 4 XML Schema 4.4.2 Datatypes
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Module 4 XML Schema There are 12 fa
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Module 4 XML Schema ‣ ¾ Fixed Th
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Module 4 XML Schema Module Summary
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5Module Style Sheets Module Overvie
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Module 5 Style Sheets ‣ ¾ Extens
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Module 5 Style Sheets ‣ ¾ value
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Module 5 Style Sheets url is the UR
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Module 5 Style Sheets Syntax: #attr
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Module 5 Style Sheets colorValue co
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Module 5 Style Sheets Figure 5.11 s
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Module 5 Style Sheets The output is
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Module 5 Style Sheets Color { paddi
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Module 5 Style Sheets Figure 5.35 d
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Module 5 Style Sheets Figure 5.38 s
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Module 5 Style Sheets value Floatin
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Module 5 Style Sheets Note: In the
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Module 5 Style Sheets 5.4.2 Inherit
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6Module XSL and XSLT Module Overvie
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Module 6 XSL and XSLT XSL consists
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Module 6 XSL and XSLT 6.1.5 XSLT St
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Module 6 XSL and XSLT NaN="string":
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Module 6 XSL and XSLT The following
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Module 6 XSL and XSLT The following
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Module 6 XSL and XSLT 2. Can you ma
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Module 6 XSL and XSLT The built-in
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Module 6 XSL and XSLT priority: Is
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Module 6 Figure 6.7 shows the code
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Module 6 XSL and XSLT Applies the t
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Module 6 XSL and XSLT Figure 6.12 d
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Module 6 XSL and XSLT yes Indicates
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Module 6 XSL and XSLT Figure 6.18 s
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Module 6 XSL and XSLT xsl:value-of
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Module 6 Figure 6.23 shows the code
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Module 6 XSL and XSLT where, count=
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Module 6 XSL and XSLT Knowledge Che
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Module 6 XSL and XSLT XML File
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Module 6 XSL and XSLT Module Summar
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Module 7 More on XSLT XPath provide
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Module 7 More on XSLT ‣ ¾ Attrib
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Module 7 More on XSLT The correspon
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Module 7 Additionally, a list of th
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Module 7 More on XSLT ‣ ¾ Matchi
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Module 7 More on XSLT Concepts 7.2
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Module 7 More on XSLT 7.2.6 String
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Module 7 More on XSLT Figure 7.12 s
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Module 7 More on XSLT The output is
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Module 7 More on XSLT Concepts 7.3.
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Module 7 More on XSLT Concepts 7.3.
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Module 7 More on XSLT Concepts Know
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Answers to Knowledge Checks Answers
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Answers to Knowledge Checks Answers
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