Arquivo de persistência

persistence.xml

<?xml version="1.0" encoding="UTF-8" ?>
<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_1_0.xsd"
	version="1.0">

	<persistence-unit name="exemploPU" transaction-type="RESOURCE_LOCAL">
		<properties>
			<property name="javax.persistence.jdbc.url" value="jdbc:mysql://localhost:3306/cadastro_cliente"/>
			<property name="javax.persistence.jdbc.user" value=""/>
			<property name="javax.persistence.jdbc.password" value=""/>
			<property name="javax.persistence.jdbc.driver" value="com.mysql.jdbc.Driver"/>
			
			<!-- create | create-drop | update | validate -->
			<property name="hibernate.hbm2ddl.auto" value="update"/>
			<property name="hibernate.dialect" value="org.hibernate.dialect.MySQLDialect"/>
		</properties>
	</persistence-unit>

</persistence>