hibernate数据源配置问题

Question

<hibernate-configuration>
 <session-factory>
<!--ORACLE-->
     <property name="hibernate.dialect">net.sf.hibernate.dialect.OracleDialect</property>
     <property name="hibernate.transaction.factory_class">net.sf.hibernate.transaction.JDBCTransactionFactory</property>
     <property name="hibernate.show_sql">true</property>
     <property name="hibernate.jdbc.batch_size">0</property>
     <property name="hibernate.jdbc.use_streams_for_binary">true</property>
<mapping resource="ho/Test.hbm.xml"/>
 </session-factory>
</hibernate-configuration>