Optimizing Performance in NHibernate: Part 2: A Collection of Enhancements

<?xml version="1.0" encoding="utf-8" ?>
<hibernate-mapping xmlns="urn:nhibernate-mapping-2.0">
	<class name="Northwind.Domain.Entities.OrderDetail, Northwind.Domain" table="[Order Details]">
    <composite-id>
      <key-many-to-one name="Order" class="Northwind.Domain.Entities.Order, Northwind.Domain" column="OrderID" />
      <key-many-to-one name="Product" class="Northwind.Domain.Entities.Product, Northwind.Domain" column="ProductID" />
    </composite-id>
		<property name="UnitPrice" type="Decimal">
			<column name="UnitPrice" sql-type="money" not-null="true"/>
		</property>
		<property name="Quantity" type="Int16">
			<column name="Quantity" sql-type="smallint" not-null="true"/>
		</property>
		<property name="Discount" type="Decimal">
			<column name="Discount" sql-type="real" not-null="true"/>
		</property>
	</class>
</hibernate-mapping>