Fix Oracle 1.23 missing patches
(rebase)

also fixed wrong definition of password expire filed
DEFAULT was unnecessary and faulty (has to be before
NULLABLE clause)
and changed the null-user insert

Change-Id: Ia91ed19bd4e3380f396ef895745dbd2014e1eb8b
(cherry picked from commit 78922b9877e72c6962ac67f5afe28476914139ad)