Hibernate using multiple databases
<bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
        <property name="driverClassName">
            <value>com.mysql.jdbc.Driver</value>
        </property>
        <property name="url" value="jdbc:mysql://localhost/personal"/>
        <property name="username" value="root"/>
        <property name="password" value="mysql"/>
    </bean>


    <bean id="sessionFactory" class="org.springframework.orm.hibernate3.annotation.AnnotationSessionFactoryBean">
        <property name="dataSource">
            <ref local="dataSource"/>
        </property>
        <property name="packagesToScan">
            <list>
                <value>com.app.personal.model</value>
            </list>
        </property>
        <property name="hibernateProperties">
            <props>
                <prop key="hibernate.dialect">org.hibernate.dialect.MySQLDialect</prop>
                <prop key="hibernate.show_sql">false</prop>
            </props>
        </property>
    </bean>

    <tx:annotation-driven/>
    <bean id="transactionManager" class="org.springframework.orm.hibernate3.HibernateTransactionManager">
        <property name="sessionFactory">
            <ref local="sessionFactory"/>
        </property>
    </bean>

@Repository
public class ModuloDAOHibernate extends HibernateTemplate implements ModuloDAO {

    @Autowired
    public ModuloDAOHibernate(SessionFactory sessionFactory) {
        super(sessionFactory);
    }

    public List<Modulo> getAllGrupoModuloDAO() {
        Criteria criteriaList = this.getSession().createCriteria(Modulo.class);
        criteriaList.addOrder(Order.asc("orden"));
        return criteriaList.list();
    }

<bean id="dataSource1" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
    <!-- ... -->
</bean>

<bean id="sessionFactory1" class="org.springframework.orm.hibernate3.annotation.AnnotationSessionFactoryBean">
    <property name="dataSource" ref="dataSource1"/>
    <!-- ... -->
</bean>

<bean id="transactionManager1" class="org.springframework.orm.hibernate3.HibernateTransactionManager">
    <property name="sessionFactory" ref="sessionFactory1"/>
    <!-- ... -->
</bean>


<bean id="dataSource2" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
    <!-- ... -->
</bean>

<bean id="sessionFactory2" class="org.springframework.orm.hibernate3.annotation.AnnotationSessionFactoryBean">
    <property name="dataSource" ref="dataSource2"/>
    <!-- ... -->
</bean>

<bean id="transactionManager2" class="org.springframework.orm.hibernate3.HibernateTransactionManager">
    <property name="sessionFactory" ref="sessionFactory2"/>
    <!-- ... -->
</bean>

<tx:annotation-driven transaction-manager="transactionManager1"/>

<bean id="courseDAO" class="com.app.CourseDAOHibernate">
        <property name="sessionFactory" ref="sessionFactory2"/>
    </bean>

@Autowired
    public ProgramaSgteDAOHibernate(@Qualifier("sessionFactory3") SessionFactory sessionFactory) {
     super(sessionFactory);
    }

Configuration config = new Configuration().configure("<complete path to your cfg.xml file>");
SessionFactory sessionFactory = config.buildSessionFactory();
Session session = sessionFactory.getCurrentSession();
session.beginTransaction();