On Wed, Jul 7, 2010 at 11:19 PM, Orlando L <oralrnr@xxxxxxxxx> wrote: > List > > Does anyone know how 11g is able to convert read write tables to READ ONLY > and back when the extents are all over mixed in with other tables in a > tablespace? > > Orlando. > alter table T read only should be available from 11g onwards... If not, you could a) create a trigger that stop all ins/upd/del, or b) create an always false check constraint -- Connor McDonald =========================== email: connor_mcdonald@xxxxxxxxx web: http://www.oracledba.co.uk "Semper in excremento, sole profundum qui variat"