Hi, Another issue is that a bug with "UNUSED COLUMNS" . Tables with unused columns will be corrupt after import metadata. You need drop the unused columns before the export / import. Regards Renato Gomes. On Sun, Apr 13, 2008 at 7:17 AM, Jim Smith <jim@xxxxxxxxxxxxxxxxxxx> wrote: > In message <1207837952.20006.27.camel@xxxxxxxxxxxxxxxxxxxx>, Carel-Jan > Engel <careljan@xxxxxxxxxx> writes > > > Take also the volatileness (is that an english word?) of the data into > > the equation. > > > > volatility > -- > Jim Smith > Ponder Stibbons Limited > -- > //www.freelists.org/webpage/oracle-l > > >