You can do some sort of relational mappings between entities but not to the full extend like RDBMS.
Have you worked through the examples in http://code.google.com/appengine/docs/java/datastore/ yet? On Fri, Dec 25, 2009 at 9:36 PM, TiagoP <pix...@gmail.com> wrote: > Hi all, > > I have a simple doubt that I would like to see explained. > > I know a bit of relational databases but I don't understand how I can > do the same using JDO. > > As for example, I have a table users-plans which combines the table > user to the table plans. In table plans I have all the plans and I > just match it to the user in a "middle table". > > Could someone explain how this would work in GAE? > > Thanks and Merry Christmas! > > > > -- > > 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. > > > -- Regards, Michael Hoi Sang Chan MSc Advanced Software Engineering Department of Computer Science King's College London Strand, LONDON WC2R 2LS Tel: +447881900965 -- 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. For more options, visit this group at http://groups.google.com/group/google-appengine-java?hl=en.
