<persistence xmlns="http://java.sun.com/xml/ns/persistence"
             xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
             xsi:schemaLocation="http://java.sun.com/xml/ns/persistence http://java.sun.com/xml/ns/persistence/persistence_2_0.xsd"
             version="2.0">

    <persistence-unit name="sample">
        <provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>

        <properties>
            <property name="javax.persistence.jdbc.url" value="jdbc:oracle:thin:@"/>
            <property name="javax.persistence.jdbc.user" value=""/>
            <property name="javax.persistence.jdbc.password" value=""/>
            <property name="javax.persistence.jdbc.driver" value="oracle.jdbc.driver.OracleDriver"/>

            <!-- JDBC connection pool (use the built-in) -->
            <property name="hibernate.connection.pool_size" value="1"/>

            <!-- SQL dialect -->
            <property name="hibernate.dialect" value="org.hibernate.dialect.Oracle10gDialect"/>

            <!-- Enable Hibernate's automatic session context management -->
            <property name="hibernate.current_session_context_class" value="thread"/>

            <!-- Disable the second-level cache  -->
            <property name="hibernate.cache.provider_class" value="org.hibernate.cache.internal.NoCacheProvider"/>

            <!-- Echo all executed SQL to stdout -->
            <property name="hibernate.show_sql" value="true"/>
            <!--<property name="hibernate.format_sql" value="true"/>-->

            <!-- Validate the table and stuff -->
            <property name="hibernate.hbm2ddl.auto" value="validate"/>
        </properties>

    </persistence-unit>

</persistence>