April 2007
Beginner
280 pages
7h 37m
English
book
z/TPF and WebSphere Application Server in a Service Oriented Architecture
by Joe DeCarlo, Barry Baker, Edwin van de Grift, Jason Keenaghan, Dong Jun Lan, Bill Supon, Stuart Waldron, Dan Weber
Content preview from z/TPF and WebSphere Application Server in a Service Oriented Architecture
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Chapter 2. Technologies 25
2.3.3 Namespace
Element names are usually self explanatory, such as <employee>, <phone>, or <amount>. This
of course means that many companies or organizations are using the same element names
but with slightly different meaning or syntax.
To resolve this problem, the XML specification supports
namespaces. A namespace is a
qualifier or prefix to element names and attribute names and makes it unique.
The reserved attribute xmlns is used to declare a namespace, and its attribute value is a
Uniform Resource Identifier (URI). Even though the URI looks similar to a Web site address,
an XML parser does not attempt to get the ...
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