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Where does column: "Used Pct of Max" 'in Database=>Administer=>Tablespaces come from ?

Where does column: “Used Pct of Max” 'in Database=>Administer=>Tablespaces come from ?

I turned on Spooling to screen (Database -> Spool SQL -> Spool to screen) and it showed me Toad is using this select.

I didn’t see the column “Used Pct of Max” in the select ?


Session: PLITTLEFIELD@EESHX2

Timestamp: 15:04:53.781

select a.tablespace_name,

   round(a.bytes_alloc / 1024 / 1024) megs_alloc,

   round(nvl(b.bytes_free, 0) / 1024 / 1024) megs_free,

   round((a.bytes_alloc - nvl(b.bytes_free, 0)) / 1024 / 1024) megs_used,

   round((nvl(b.bytes_free, 0) / a.bytes_alloc) * 100) Pct_Free,

   100 - round((nvl(b.bytes_free, 0) / a.bytes_alloc) * 100) Pct_used,

   round(maxbytes/1048576) Max,

  c.status, c.contents

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 c

where a.tablespace_name = b.tablespace_name (+)

and a.tablespace_name = c.tablespace_name

union all

select h.tablespace_name,

   round(sum(h.bytes_free + h.bytes_used) / 1048576) megs_alloc,

   round(sum((h.bytes_free + h.bytes_used) - nvl(p.bytes_used, 0)) / 1048576) megs_free,

   round(sum(nvl(p.bytes_used, 0))/ 1048576) megs_used,

   round((sum((h.bytes_free + h.bytes_used) - nvl(p.bytes_used, 0)) / sum(h.bytes_used + h.bytes_free)) * 100) Pct_Free,

   100 - round((sum((h.bytes_free + h.bytes_used) - nvl(p.bytes_used, 0)) / sum(h.bytes_used + h.bytes_free)) * 100) pct_used,

   round(sum(decode(f.autoextensible, 'YES', f.maxbytes, 'NO', f.bytes) / 1048576)) max,

  c.status, c.contents

from sys.v_$TEMP_SPACE_HEADER h,

   (select tablespace_name, file_id, sum(bytes_used) bytes_used

    from gv$temp_extent_pool

    group by tablespace_name, file_id) p,

   dba_temp_files f,

  dba_tablespaces c

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 f.tablespace_name = c.tablespace_name

group by h.tablespace_name, c.status, c.contents

ORDER BY 1

megs_used / max

ok, tx