<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">
    <!--  unidade de persistencia com o nome financas  -->
    <persistence-unit name="financas">
        <!--  Implementação do JPA, no nosso caso Hibernate  -->
        <provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
        <!--  Aqui são listadas todas as entidades  -->
        <class>br.com.caelum.financas.modelo.Conta</class>
        <properties>
            <!--  Propriedades JDBC  -->
            <property name="javax.persistence.jdbc.driver" value="com.mariadb.jdbc.Driver"/>
            <property name="javax.persistence.jdbc.url" value="jdbc:mariadb://localhost/financas"/>
            <property name="javax.persistence.jdbc.user" value="root"/>
            <property name="javax.persistence.jdbc.password" value=""/>
            <!--  Configurações específicas do Hibernate  -->
            <property name="hibernate.dialect" value="org.hibernate.dialect.MySQL5InnoDBDialect"/>
            <property name="hibernate.hbm2ddl.auto" value="update"/>
            <property name="hibernate.show_sql" value="true"/>
            <property name="hibernate.format_sql" value="true"/>
        </properties>
    </persistence-unit>
</persistence>