prompt <h3>Détail des tablespaces : </h3>

COL TABLESPACE_NAME FORMAT A20 HEAD "tablespace"
COL BIGFILE FORMAT A10 HEAD "bigfile"
COL alloc FORMAT 99999999.00 HEAD "allocated_mb"
COL used FORMAT 99999999.00 HEAD "used_mb"
COL free FORMAT 99999999.00 HEAD "free_mb"
COL max FORMAT 99999999.00 HEAD "maxsize_mb"
COL Pct_Used FORMAT 999.00 HEAD "percent_used"

select
    a.tablespace_name,
    t.bigfile,
    a.bytes_alloc/1024/1024 alloc,
    (a.bytes_alloc - nvl(b.bytes_free, 0))/1024/1024 used,
    (nvl(b.bytes_free, 0))/1024/1024  free,
    maxbytes/1024/1024 Max,
    (a.bytes_alloc - nvl(b.bytes_free, 0)) / maxbytes * 100 Pct_Used
from
    (
        select
            f.tablespace_name,
            sum(f.bytes) bytes_alloc,
            sum(decode(f.autoextensible, 'YES', f.maxbytes, 'NO', f.bytes)) maxbytes
        from
            dba_data_files f
        group by
            tablespace_name
    ) a,
    (
        select
            f.tablespace_name,
            sum(f.bytes) bytes_free
        from
            dba_free_space f
        group by
            tablespace_name
    ) b,
    dba_tablespaces t
where
    a.tablespace_name = b.tablespace_name (+)
    and b.tablespace_name = t.tablespace_name
union all
select
    h.tablespace_name,
    dt.bigfile,
    (sum(h.bytes_free + h.bytes_used))/1024/1024 alloc,
    (sum(nvl(p.bytes_used, 0)))/1024/1024 used,
    (sum((h.bytes_free + h.bytes_used) - nvl(p.bytes_used, 0)))/1024/1024 free,
    (sum(f.maxbytes))/1024/1024 max,
    (sum(h.bytes_free + h.bytes_used) - sum((h.bytes_free + h.bytes_used) - nvl(p.bytes_used, 0))) / sum(f.maxbytes) Pct_Used
from
    sys.v_$temp_space_header h,
    sys.v_$temp_extent_pool p,
    dba_temp_files f,
    dba_tablespaces dt
where
    p.file_id(+) = h.file_id
    and p.tablespace_name(+) = h.tablespace_name
    and f.file_id = h.file_id
    and f.tablespace_name = h.tablespace_name
    and h.tablespace_name = dt.tablespace_name
group by
    h.tablespace_name,
    dt.contents,
    dt.bigfile
order by
    1
;