Schema reuse : Salami Slice « XML Schema « XML Tutorial

File: Data.xml

<?xml version = "1.0" ?>
<Customer customerID = "242552">
   <Name>
      <FirstName>A</FirstName>
      <Middle>G</Middle>
      <LastName>C</LastName>
   </Name>
   <Address>
      <Street1>10 Place</Street1>
      <Town>D</Town>
      <City>E</City>
      <State>F</State>
      <Country>Australia</Country>
      <Postcode>2021</Postcode>
   </Address>
</Customer>

File: Data2.xml

<?xml version = "1.0" ?>
<Employee employeeID = "133">
   <Name>
      <FirstName>A</FirstName>
      <Middle>G</Middle>
      <LastName>B</LastName>
   </Name>
   <Address>
      <Street1>10 Place</Street1>
      <Town>small</Town>
      <City>big</City>
      <State>NS</State>
      <Country>Australia</Country>
      <Postcode>2021</Postcode>
   </Address>
</Employee>

File: Schema.xsd
<?xml version = "1.0" ?>
<xs:schema xmlns:xs = "http://www.w3.org/2001/XMLSchema">
   
   <xs:element name = "Customer">
      <xs:complexType>
         <xs:sequence>
            <xs:element ref = "Name" />
            <xs:element ref = "Address" />
         </xs:sequence>
         <xs:attribute name = "customerID" type = "integer" />
      </xs:complexType>
   </xs:element>
   
   <xs:element name = "Employee">
      <xs:complexType>
         <xs:sequence>
            <xs:element ref = "Name" />
            <xs:element ref = "Address" />
         </xs:sequence>
         <xs:attribute name = "employeeID" type = "integer" />
      </xs:complexType>
   </xs:element>
   
   <xs:element name = "Name">
      <xs:complexType>
         <xs:sequence>
            <xs:element name = "FirstName" type = "string" />
            <xs:element name = "Middle" type = "string" />
            <xs:element name = "LastName" type = "string" />
         </xs:sequence>
      </xs:complexType>
   </xs:element>
   
   <xs:element name = "Address">
      <xs:complexType>
         <xs:sequence>
            <xs:element name = "Street1" type = "string" />
            <xs:element name = "Town" type = "string" />
            <xs:element name = "City" type = "string" />
            <xs:element name = "State" type = "string" />
            <xs:element name = "Country" type = "string" />
            <xs:element name = "Postcode" type = "string" />
         </xs:sequence>
      </xs:complexType>
   </xs:element>
   
</xs:schema>

3.98.Salami Slice
	3.98.1.	Salami Slice design Define global element declarations that are later referenced.
	3.98.2.	An XML Schema Document Using Named Type Definitions
	3.98.3.	Schema reuse
	3.98.4.	how XML Schema allows us to re-use names, and give them different content models.
	3.98.5.	extend the complex type that we have defined, creating new types for Customer and Employee:
	3.98.6.	Re-use in Text-only Element Content Models