col tsname format a16 justify c heading ‘Tablespace’
col nfrags format 999,990 justify c heading ‘Free|Frags’
col mxfrag format 999,999,990 justify c heading ‘Largest|Frag (KB)’
col totsiz format 999,999,990 justify c heading ‘Total|(KB)’
col avasiz format 999,999,990 justify c heading ‘Available|(KB)’
col pctusd format 990 justify c heading ‘Pct|Used’
select total.tablespace_name tsname,count(free.bytes) nfrags,nvl(max(free.bytes)/1024,0) mxfrag, total.bytes/1024 totsiz,nvl(sum(free.bytes)/1024,0) avasiz,(1-nvl(sum(free.bytes),0)/total.bytes)*100 pctusd from dba_data_files total,dba_free_space free where total.tablespace_name = free.tablespace_name(+) and total.file_id=free.file_id(+) group by total.tablespace_name,total.bytes;