There should be plenty of examples around, but here is one from Max Ross's blog:
http://gae-java-persistence.blogspot.com/2009/10/creating-bidrectional-owned-one-to-many.html We're looking at expanding the capabilities of the App Engine Cookbook to support examples like this contributed by the community. On Tue, Jan 19, 2010 at 4:48 PM, Dave <ladjo...@gmail.com> wrote: > I have been working assiduously on a GWT project. I have implemented > the stockwatcher app without problems. It's new to me to be working > with JDO/JPA. I'm more in tuned to using relational DB. There are no > concrete application example that deals with one to many DB. I have > read some of the documentation to create and use a one to many DB. I > have been able to save the one to many data, but I'm unable to > retrieve the data. I don't fully understand it all. Google should > recognize that many people learn by doing. There needs to be a sample > application with one to many relationships (and many to many). > > If Google's only tutorial on GWT was like what is shown here > http://code.google.com/appengine/docs/java/datastore/relationships.html. > Then less people would have used it. I know I'll learn how to > implement one to many properly by 'googling' the Internet. However, it > could have been less painful! Please post a sample application > > -- > 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-j...@googlegroups.com. > To unsubscribe from this group, send email to > google-appengine-java+unsubscr...@googlegroups.com<google-appengine-java%2bunsubscr...@googlegroups.com> > . > For more options, visit this group at > http://groups.google.com/group/google-appengine-java?hl=en. > > > > -- Ikai Lan Developer Programs Engineer, Google App Engine--
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