"relgames" wrote : | One more idea: may be we need to add Foreign Key Constraint to avoid such problems? These are deliberately not there for performance reasons, but for debugging/diagnostics it's a good idea. You should just be able to add them in the pm config, although I would need to check the insert / delete order to know for sure if this is going to cause problems. View the original post : http://www.jboss.com/index.html?module=bb&op=viewtopic&p=4061192#... Reply to the post : http://www.jboss.com/index.html?module=bb&op=posting&mode=reply&a...