-- Copyright 2018 Tanel Poder. All rights reserved. More info at http://tanelpoder.com
-- Licensed under the Apache License, Version 2.0. See LICENSE.txt for terms & conditions.

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-- SCRIPT:      DF.SQL
-- PURPOSE:     Show Oracle tablespace free space in Unix df style
-- AUTHOR:      Tanel Poder [ http://www.tanelpoder.com ]
-- DATE:        2003-05-01
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col "% Used" for a6
col "Used" for a22

select t.tablespace_name, t.gb "TotalGB", t.gb - nvl(f.gb,0) "UsedGB", nvl(f.gb,0) "FreeGB"
       ,lpad(ceil((1-nvl(f.gb,0)/decode(t.gb,0,1,t.gb))*100)||'%', 6) "% Used", t.ext "Ext", 
       '|'||rpad(nvl(lpad('#',ceil((1-nvl(f.gb,0)/decode(t.gb,0,1,t.gb))*20),'#'),' '),20,' ')||'|' "Used"
from (
  select tablespace_name, trunc(sum(bytes)/(1024*1024*1024)) gb
  from dba_free_space
  group by tablespace_name
 union all
  select tablespace_name, trunc(sum(bytes_free)/(1024*1024*1024)) gb
  from v$temp_space_header
  group by tablespace_name
) f, (
  select tablespace_name, trunc(sum(bytes)/(1024*1024*1024)) gb, max(autoextensible) ext
  from dba_data_files
  group by tablespace_name
 union all
  select tablespace_name, trunc(sum(bytes)/(1024*1024*1024)) gb, max(autoextensible) ext
  from dba_temp_files
  group by tablespace_name
) t
where t.tablespace_name = f.tablespace_name (+)
order by t.tablespace_name;