Seeing is believing - AX 2012 Uninstalling the Upgrade modelhttp://blogs.msdn.com/b/mfp/archive/2011/06/07/seeing-is-believing-ax-2012-uninstalling-the-upgrade-model.aspxThis short recording shows an alternative appliance of models. If you have already upgraded, wouldn't it be nice to not see all the "DEL_" tables, fields and indexes in the AOT? With models you can do exactly that. All the upgrade-only artifacts are storedenTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)