12.7.5. Configuration

<persistence-unit name="mypc">
  <description>Persistence Unit.</description>
  <jta-data-source>java:jboss/datasources/ExampleDS</jta-data-source>
  <shared-cache-mode>ENABLE_SELECTIVE</shared-cache-mode>
  <properties>
    <property name="hibernate.hbm2ddl.auto" value="create-drop" />
    <property name="hibernate.show_sql" value="true" />
    <property name="hibernate.cache.use_second_level_cache"	value="true" />
    <property name="hibernate.cache.use_query_cache" value="true" />
    <property name="hibernate.generate_statistics" value="true" />
    <property name="org.hibernate.envers.versionsTableSuffix" value="_V" />
    <property name="org.hibernate.envers.revisionFieldName" value="ver_rev" />
  </properties>
</persistence-unit>