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Saturday, June 11, 2016

Top 10 - Biggest Tables and Indexes

set lines 170
set pages 20
col owner      format a20
col object     format a30
col type       format a6
col tablespace format a20
col size_in_gb format 999,999.9
select * 
  from (select owner           owner,
               segment_name    object,
               segment_type    type,
               tablespace_name tablespace,
               round(bytes/1024/1024/1024,1) size_in_gb
          from dba_segments 
         where owner not in ('SYS','SYSTEM')
         order by bytes desc
       ) 
 where rownum < 11
 order by size_in_gb desc;

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