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62

answers:

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Hi, does anyone know how to handle a "one to many" relationship with Grails/GORM on the google appengine? I do understand how relationships get handled with Gorm, and there is also a good series of articles about it:

But I could not find any examples about releastionships within the appengine and JPA.

A: 

I haven't tried it, but as far as I've read, you have to use JPA annotations. See here: http://blogs.sun.com/enterprisetechtips/entry/combining_groovy_grails_mysql_and

Javid Jamae
you'r right, using the JPA annotaions is required, but it's not enough for the appengine. as BigTable s not a RDBMS there seems a lot more to be known about relations...
domi