Checking a TABLESPACE Status quries

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col "Tablespace"       for a22
col "Used MB"          for 9,999,999.99
col "Free MB"          for 9,999,999.99
col "Total MB"         for 9,999,999.99
col extendable_free_space for 9,999,999.99
col "Pct. Free"        for 999,999.99
col "maxspace"         for 999,999.99
set linesize 112
select df.tablespace_name "Tablespace",
totalusedspace "Used MB",
(df.totalspace - tu.totalusedspace) "Free MB",
df.totalspace "Total MB",
round(100 * ( (df.totalspace - tu.totalusedspace)/ df.totalspace),2)
"Pct. Free"
from
(select tablespace_name,
round(sum(bytes) / 1048576) TotalSpace
from dba_data_files
group by tablespace_name) df,
(select round(sum(bytes)/(1024*1024)) totalusedspace, tablespace_name
from dba_segments
group by tablespace_name) tu
where df.tablespace_name = tu.tablespace_name;
select df.tablespace_name "Tablespace",
nvl(totalusedspace,0) "Used MB",
(df.totalspace - nvl(tu.totalusedspace,0)) "Free MB",
df.totalspace "Total MB",
round(100 * ( (df.totalspace - nvl(tu.totalusedspace,0))/ df.totalspace),2)
"Pct. Free",
nvl(fs.free_space,0) extendable_free_space
, round(maxspace,2) maxspace
from
(select tablespace_name,
round(sum(bytes) / 1048576) TotalSpace
, sum(maxbytes)/1024/1024 maxspace
from dba_data_files
group by tablespace_name) df,
(select round(sum(bytes)/(1024*1024)) totalusedspace, tablespace_name
from dba_segments
group by tablespace_name) tu
,
(
select tablespace_name, round(sum(bytes)/1024/1024 ,2) as free_space
   from dba_free_space
   group by tablespace_name
) fs
where df.tablespace_name = tu.tablespace_name(+)
AND df.tablespace_name = fs.tablespace_name(+)
ORDER BY "Pct. Free";
*****************************************************************************
col "Tablespace" for a22
col "Used MB" for 99,999,999
col "Free MB" for 99,999,999
col "Total MB” for 99,999,999
select df.tablespace_name "Tablespace",
totalusedspace "Used MB",
(df.totalspace - tu.totalusedspace) "Free MB",
df.totalspace "Total MB",
round(100 * ( (df.totalspace - tu.totalusedspace)/ df.totalspace))
"Pct. Free"
from
(select tablespace_name,
round(sum(bytes) / 1048576) TotalSpace
from dba_data_files
group by tablespace_name) df,
(select round(sum(bytes)/(1024*1024)) totalusedspace, tablespace_name
from dba_segments
group by tablespace_name) tu

where df.tablespace_name = tu.tablespace_name ;

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