Hi everybody: Now I have an issue with the create_table_cost procedure. I have executed it for a table and got the following results (oracle 10.2.0.3) used - 11141112 allocated - 1114112 That seem to indicate that there is no space wasted associates with this table But when I queried dba_segments select sum(bytes/1024)/1024 from dba_segments where segment_name = and owner = I got 2785280 - or more than twice the size that I received from create_table_cost. What is the reason for this discrepancy? thank you Gene Gurevich Please consider the environment before printing this email. -- //www.freelists.org/webpage/oracle-l