<property name="javax.persistence.jdbc.url" value="jdbc:oracle:thin:@mymachine:1521:mydb"/>
      <property name="javax.persistence.jdbc.user" value="se452"/>
      <property name="javax.persistence.jdbc.driver" value="com.oracle.jdbc.OracleDriver"/>
      <property name="javax.persistence.jdbc.password" value="letmein"/>
</properties>