Configuration of database in memory

persistence.xml

<?xml version="1.0" encoding="UTF-8"?>
<persistence version="2.0" 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">
	<persistence-unit name="projeto-ejbPU-test" transaction-type="RESOURCE_LOCAL">
		<provider>org.hibernate.ejb.HibernatePersistence</provider>
		<class>suas.classes.aqui</class>
		...
		<properties>
			<property name="javax.persistence.jdbc.driver" value="org.hsqldb.jdbc.JDBCDriver" />
			<property name="javax.persistence.jdbc.url" value="jdbc:hsqldb:mem:beamasset-test" />
			<property name="javax.persistence.jdbc.user" value="sa" />
			<property name="javax.persistence.jdbc.password" value="" />
			<property name="javax.persistence.schema-generation.database.action"
				value="drop-and-create" />
		</properties>
	</persistence-unit>
</persistence>