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David Gelpi Fleta

XML Elements - 0 views

www.w3schools.com/...xml_elements.asp

psi xml

shared by David Gelpi Fleta on 26 Sep 07 - Cached
  • XML documents can be extended to carry more information.
  • Elements are related as parents and children.
  • child elements
  • ...10 more annotations...
  • root element
  • parent element
  • siblings
  • Elements can have different content types.
  • An element can have element content, mixed content, simple content, or empty content. An element can also have attributes.
  • simple content (or text content)
  • XML elements must follow these naming rules: Names can contain letters, numbers, and other characters Names must not start with a number or punctuation character Names must not start with the letters xml (or XML, or Xml, etc) Names cannot contain spaces
  • make names descriptive.
  • Avoid "-" and "." in names
  • ":" should not be used
davidg

XML Syntax - 0 views

www.w3schools.com/...xml_syntax.asp

shared by davidg on 25 Sep 07 - Cached
  • The syntax rules of XML are very simple and very strict. The rules are very easy to learn, and very easy to use.
  • XML documents use a self-describing
  • the XML declaration
  • ...10 more annotations...
  • All XML Elements Must Have a Closing Tag
  • XML Tags are Case Sensitive
  • XML Elements Must be Properly Nested
  • XML Documents Must Have a Root Element
  • (child elements
  • XML Attribute Values Must be Quoted
  • <note date="12/11/2002">
  • With XML, White Space is Preserved
  • Comments in XML
  • <!-- This is a comment -->
David Gelpi Fleta

XML Usage - 0 views

www.w3schools.com/...xml_usedfor.asp

shared by David Gelpi Fleta on 25 Sep 07 - Cached
  • XML can Separate Data from HTML With XML, your data is stored outside your HTML.
  • XML and B2B With XML, financial information can be exchanged over the Internet.
  • XML is Used to Exchange Data With XML, data can be exchanged between incompatible systems. In the real world, computer systems and databases contain data in incompatible formats
  • ...6 more annotations...
  • changes in the underlying data will not require any changes to your HTML.
  • XML Can be Used to Create New Languages
  • With XML, your data is available to more users.
  • Since XML is independent of hardware, software and application, you can make your data available to other than only standard HTML browsers.
  • XML can also be used to store data in files or in databases
  • Since XML data is stored in plain text format, XML provides a software- and hardware-independent way of sharing data.
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