August 2011
Intermediate to advanced
416 pages
10h 14m
English
Content preview from Oracle Database 11g Building Oracle XML DB Applications
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XML Schema and Namespaces
For the most part, the XML Schema concept is easy to understand, but the namespaces need some clarifications.
XML Schema has three namespaces. The first is the XML Schema namespace, which refers to XML Schema definitions such as datatypes and XML Schema elements/attributes, shown as follows:
<xsd:schema xmlns:xsd=“http://www.w3.org/2001/XMLSchema”...>
The second namespace is the target namespace defined for XML documents:
<xsd:schema xmlns:xsd=“http://www.w3.org/2001/XMLSchema”
targetNamespace=“http://www.xmlbook.com”..
In XML Schema, you can specify if the defined document elements or attributes are qualified by the defined target namespace using the following XML Schema attributes:
elementFormDefault ...
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