<?xml version="1.0" ?>
<Schema xmlns="urn:schemas-microsoft-com:xml-data"
        xmlns:dt="urn:schemas-microsoft-com:datatypes"
        xmlns:sql="urn:schemas-microsoft-com:xml-sql">

<ElementType name="bookname" content="textOnly"/>
<ElementType name="bookwriter" content="textOnly"/>
<ElementType name="bookpublish" content="textOnly"/>

<ElementType name="books" >
    <element type="bookname" />
    <element type="bookwriter" />
    <element type="bookpublish" />
</ElementType>
</Schema>