Correction, neither export nor import in external_table path can't unload/upload table with LOB per note 552424.1 in 11g or lower. On Mon, Feb 17, 2014 at 4:18 PM, Jinwen Zou <zjworacle@xxxxxxxxx> wrote: > I believe what Raj mean to to say is that: sometimes > ACCESS_METHOD=external_table export is better than direct path export for > table/partition that has out-of-line stored LOBs or many chained rows, > because direct path export will not use more than 1 PX process for a single > segment, but external_table export will. Agreed. > > Per note 552424.1, the external_table path impdp can't import LOB in > parallel in 11g or lower. > > > > On Mon, Feb 17, 2014 at 12:35 PM, rjamya <rjamya@xxxxxxxxx> wrote: > >> And remember, if you are exporting CLOBs, then you are out of luck :) >> Sometimes you will get better performance with ACCESS_METHOD=external_table >> but that you have to try out. Also if flashback_time is not critical for >> you, I'd take it out. >> >> Raj >> > >