Join Joe Marini for an in-depth discussion in this video XML namespaces, part of XML Essential Training.
- [Narrator] We'll wrap up this chapter by talking about…XML Namespaces and why they're used.…XML Namespaces have the form of the letters XMLNS…and then equal to some character string.…And if you've used HTML before,…you've probably seen something like this.…It usually appears on the HTML tag.…Now the character string that goes inside that…XMLNS attribute just has to be unique.…It's usually a URL, but it doesn't have to be.…The spec just says it needs to be a unique value.…And in fact, the XML parser doesn't even try to…access whatever is at that URL.…
XML Namespaces are used to prevent tags…from different languages from conflicting each other…when you try to use them in the same XML document.…Remember, and I've said this many times now,…X in XML stands for extensible, so I can define my own tags.…Now if I want to create an XML document that includes…tags from different tag sets, there's the potential…for someone using the same name for a tag…that I've decided to use in my tag set.…So, let's take a look at an example.…
- What is XML?
- Advantages and drawbacks of XML
- Proper XML syntax
- Working with XML namespaces
- Styling XML tags
- Discovering and creating document content
- Manipulating XML content using XPath and XSLT
- Document type definitions and XML schema
Skill Level Beginner
1. Getting Started
2. XML Overview
3. Working with XML
4. Manipulating XML with the DOM
5. XML and XPath
6. XML and XSLT
7. XSLT Examples
8. Document Type Definitions
9. XML Schema
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