<?xml version="1.0"?>
<!DOCTYPE hibernate-mapping PUBLIC 
	"-//Hibernate/Hibernate Mapping DTD 3.0//EN"
	"http://hibernate.sourceforge.net/hibernate-mapping-3.0.dtd">
<hibernate-mapping package="com.hibernate">
	<class name="Student" table="tb_student">
		<id name="id">
		 <generator class="native"/>
		</id>
		<property name="name"/>
		<many-to-one name="classid" column="classid"/>
	</class>
</hibernate-mapping>