Hi Are the docs wrong ? http://www.stanford.edu/dept/itss/docs/oracle/10g/server.101/b10739/tspaces..htm#i1010733 quote A bigfile tablespace with 8K blocks can contain a 32 terabyte datafile quote My impression is that for 8k block size the size of the datafile is 32gb -- //www.freelists.org/webpage/oracle-l