It's not really any different in JPA and JDO, so the docs should cover what you want.
http://code.google.com/appengine/docs/java/datastore/relationships.html I also wrote a few things that used JPA if it's useful (under the Modeling section): http://objectuser.wordpress.com/google-app-engine/ On Aug 24, 10:32 pm, niuy <michael...@gmail.com> wrote: > Hi there, > > I am struggling to implements one-to-many relationship ,but I > never make it work. Does any body make any relationship based > on JPA? or it is impossible on GAE / J ? > > Thanks --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Google App Engine for Java" group. To post to this group, send email to google-appengine-java@googlegroups.com To unsubscribe from this group, send email to google-appengine-java+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/google-appengine-java?hl=en -~----------~----~----~----~------~----~------~--~---