Is there a specific reason for choosing import? I'd not want to try and figure out the dependencies myself - I imagine you'll end up with several imports - data only, constraints and indexes etc. I'd much prefer to clone the database and then upgrade it myself. On 5 Aug 2010 08:10, "Avadhani mys" <avadhanimys@xxxxxxxxx> wrote: Dear All, We are in the process of importing data of 11.0.6 EBS data to 11GR2 database on application R12. Is there any order of importing the schemas. If yes please let us know Thanks in Advance, Regards, Avadhani