I need to upgrade my database from 7.3 to 8i, if I'm using exp/imp: 'exp system/manager full=Y' from 7.3 then 'imp system/manager full=Y ignore=Y' to 8i.

Can I use the above command if the database is under the xxx schema?

What can I do to make sure all the packages, triggers, constraints, procedures... are imported properly? Is there a better way to do it besides the above command? Any suggestions? Thank you.