persistence.xml

<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.edu.unoesc.financas.modelo.Conta</class>

      <properties>
        <!-- Propriedades JDBC -->
        <property name="javax.persistence.jdbc.driver" value="com.mysql.jdbc.Driver" />
        <property name="javax.persistence.jdbc.url" value="jdbc:mysql://localhost/financas?createDatabaseIfNotExist=true&amp;useTimezone=true;useSSL=false" />
     <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>