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EJB 3 QL : join  RSS feed

Dupon David
Posts: 19
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Hello, I am sorry for my English level!
I based myself on the book Pro EJB 3, and exactly on chapter 4 and 6, to make a request of joint between my tables:
UMLSSNMI (SnomedInter.java is the corresponding entity Bean),
WASNMI ((TermProj.java and TermProjPK are the corresponding entity Bean), WHOART (TermSource.java is the corresponding entity Bean).

In my session Bean SnomedInterFacade I want to implement the method:

my problem it is that I do not know too much how to make the joint in this case, because my tables already exist in the base of given and the table of joint contains another elements that the primary keys thus I cannot use @JoinTable.

Can you say to me how to make in this case please
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