You cannot use 'WITH ROWID' on a MV based on a prebuilt table. The prebuilt table requirement was stated in a followup email. Jared On 8/26/05, Jason Heinrich <jheinrich@xxxxxxxx> wrote: > > When you create your materialized view use the "with rowid" phrase to base > fast refreshes off of the master table's rowids rather than its primary > key > (which you've already stated doesn't exist): > > > -- Jared Still Certifiable Oracle DBA and Part Time Perl Evangelist