Predefining an Attribute's Content with a fixed value or a default value : Attribute « XML Schema « XML Tutorial

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XML Tutorial » XML Schema » Attribute   3. 84. 11. Predefining an Attribute's Content with a fixed value or a default value File: Schema.xsd   <?xml version="1.0" ?> <schema xmlns="http://www.w3.org/2001/10/XMLSchema" targetNamespace="http://www.java2java.comns/" xmlns:end="http://www.java2java.com/">     <xsd:element name="source">         <xsd:complexType>             <xsd:complexContent>                 <xsd:extension base="xsd:anyType">                     <xsd:attribute name="sectionid" type="xsd:string" use="required"/>                     <xsd:attribute name="newspaperid" type="xsd:string"/>                 </xsd:extension>             </xsd:complexContent>         </xsd:complexType>     </xsd:element> </schema>  File: Data.xml <?xml version="1.0"?>  <source sectionid="101"/>   File: Data.xml <?xml version="1.0"?> <source sectionid="101" newspaperid="21"/> 3. 84. Attribute 3. 84. 1.  Declaring Attributes 3. 84. 2.  Attribute declarations have the following format 3. 84. 3.  Creating a Local/Global Type for Attribute 3. 84. 4.  how we declare attributes 3. 84. 5.  Value Constraints on Attributes 3. 84. 6.  Value of an attribute is the same as the value we prescribe in the schema, whether or not the attribute is present 3. 84. 7.  Attribute declarations may also be defined locally within the complexType element 3. 84. 8.  Requiring an Attribute 3. 84. 9.  Attribute Use: Default and Fixed Values 3. 84. 10.  Prohibited attributes in the restriction 3. 84. 11.  Predefining an Attribute's Content with a fixed value or a default value 3. 84. 12.  Restrict the data type by restricting its attributes 3. 84. 13.  Mark attribute as required 3. 84. 14.  A globally defined attribute declaration

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