persistence

<?xml version="1.0" encoding="UTF-8"?>
<persistence xmlns="http://xmlns.jcp.org/xml/ns/persistence"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/persistence http://xmlns.jcp.org/xml/ns/persistence/persistence_2_1.xsd"
    version="2.1">

    <persistence-unit name="SuperMercadoPU">
        <provider>org.hibernate.ejb.HibernatePersistence</provider>

        <properties>
            <property name="javax.persistence.jdbc.url"
                value="jdbc:mysql://localhost/SuperMercado" />
            <property name="javax.persistence.jdbc.user" value="root" />
            <property name="javax.persistence.jdbc.password" value="123456" />
            <property name="javax.persistence.jdbc.driver"
                value="com.mysql.jdbc.Driver" />
                <property name="javax.persistence.schema-generation.database.action" value="drop-and-create" />
            <property name="javax.persistence.schema-generation.create-source" value="metadata" />

            <property name="hibernate.dialect"
                value="org.hibernate.dialect.MySQL5Dialect" />
            <property name="hibernate.show_sql" value="true" />
            <property name="hibernate.format_sql" value="true" />
            <property name="hibernate.hbm2ddl.auto" value="update" />

        </properties>
    </persistence-unit>

</persistence>