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<?xml version="1.0" encoding="UTF-8"?>
<persistence xmlns="http://java.sun.com/xml/ns/persistence"
             version="2.0">
   <persistence-unit name="DemoUnit" transaction-type="RESOURCE_LOCAL">
       <properties>
          <property name="javax.persistence.jdbc.driver"
                    value="org.h2.Driver" />
          <property name="javax.persistence.jdbc.url"
                    value="jdbc:h2:mem:test" />
          <property name="javax.persistence.jdbc.username"
               user"     value="sa" />
          <property name="eclipselink.ddl-generation"
                    value="create-tables"/>
          <property name="eclipselink.logging.level"
                    value="fine"/>
      </properties>
   </persistence-unit>

</persistence>