1. JPA: how to configure default sequencer? java.net
Witold Szczerba wrote: > 2007/3/22, Marina Vatkina
Another interesting aspect of the differences is that when using hibernate I can use the left join fetch queries extensively (left join fetch o.subobject1 so1 left join fetch so1.subobject2 so2 left join fetch so2.subobject3 (etc.)). As far as I can tell this goes against the Java EE Spec and is thus not allowed in Toplink (which makes your code unportable). However ...
3. Hibernate as default JPA provider java.net