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Concerning coding style of the example in the posting instructions

and test cases,  I contest that it breaks the rules for JPA2 entities on at least 2 counts

Is there a function of "drop table" or "delete from table"?

table" or "truncate" can clear the id counting . Any idea? gzdillon Lai Yang Resetting generated ID

10 classes limit

hey. i am a student. and we are learnning inheritance in JPA for my assiment i have 1 base class and 20 subclass in some kind of hierarchy (with all kind of mappings: SINGLE_TABLE, TABLE_PER_CLASS and JOINED). can i use the free version (it will count as 1 class?) or the 10 entity class limit

Getting an error when adding activation code to conf file

.clear(); } }); em.getTransaction().commit(); Query q1 = em.createQuery("SELECT count (my) from MyEntity