tests/org.eclipse.emf.test.common/models/ItemDB/dbitem.xsd

<?xml version="1.0" encoding="utf-8"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" 
  targetNamespace="http:///org.eclipse.emf.test.models/dbitem" 
  xmlns:p="http:///org.eclipse.emf.test.models/dbprice"
  xmlns="http:///org.eclipse.emf.test.models/dbitem">
  
   <xs:import namespace="http:///org.eclipse.emf.test.models/dbprice" 
     schemaLocation="dbprice.xsd" />

   <xs:element name="dbitem" type="dbType" />

   <xs:complexType name="dbType">
      <xs:sequence>
         <xs:element name="red_pen" type="p:penType" form="qualified" />

         <xs:element name="blue_pen" type="p:penType" form="unqualified" />

         <xs:element name="red_pencil" type="p:pencilType" form="qualified" />

         <xs:element name="blue_pencil" type="p:pencilType" form="unqualified" />
      </xs:sequence>
   </xs:complexType>
   
</xs:schema>