anonymous wrote : Can a EJB QL query be constructed such that I only get results for one of the derived classes? | | Something like: | | for this part get only the "Cars" associated with it. | | SELECT auto FROM Autobile auto, IN(auto.parts) AS part where part=:specificPart and "Automobile instanceof Car" SELECT auto FROM Car ... It's that simple :) View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=3998659#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...