That’s Me

Gavin Soorma
Exadata Database Machine 2014 Certified
Oracle Certified Professional
7.3, 8i, 9i,10g, 11g, 12c
11i Apps DBA OCP
Certified GoldenGate Implementation Specialist
Oracle Enterprise Manager 12c Certified Implementation Specialist
Oracle 11g Exadata Implementation Specialist
10g OCM
11g OCM


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List all tablespaces with free space < 10%

set pagesize 300
set linesize 100
column tablespace_name format a15 heading 'Tablespace'
column sumb format 999,999,999
column extents format 9999
column bytes format 999,999,999,999
column largest format 999,999,999,999
column Tot_Size format 999,999 Heading 'Total Size(Mb)'
column Tot_Free format 999,999,999 heading 'Total Free(Kb)'
column Pct_Free format 999.99 heading '% Free'
column Max_Free format 999,999,999 heading 'Max Free(Kb)'
column Min_Add format 999,999,999 heading 'Min space add (MB)'

ttitle center 'Tablespaces With Less Than 10% Free Space' skip 2
set echo off

select a.tablespace_name,sum(a.tots/1048576) Tot_Size,
sum(a.sumb/1024) Tot_Free,
sum(a.sumb)*100/sum(a.tots) Pct_Free,
ceil((((sum(a.tots) * 15) - (sum(a.sumb)*100))/85 )/1048576) Min_Add
select tablespace_name,0 tots,sum(bytes) sumb
from dba_free_space a
group by tablespace_name
select tablespace_name,sum(bytes) tots,0 from
group by tablespace_name) a
group by a.tablespace_name
having sum(a.sumb)*100/sum(a.tots) < 10
order by pct_free;

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