Sudden Space increase in a table space

11gR2

There is a sudden spike in the space used up in one of the table spaces. 300 Gig increase in 2 days. Is there a way to find which table(s) the data went into or Identify the program that resulted in the data spike..

Please advice..

Thanks
gs79Asked:
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slightwv (䄆 Netminder) Commented:
Are you running AWR?

Check out the queries here:
http://www.dba-oracle.com/t_table_growth_reports.htm
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johnsoneSenior Oracle DBACommented:
With that much growth, you may be able to find it with just looking at the largest objects in the tablespace.  You can do that with this query:
SELECT owner, 
       segment_name, 
       SUM(bytes) tot_size 
FROM   dba_extents 
WHERE  tablespace_name = '<ts>' 
GROUP  BY owner, 
          segment_name 
ORDER  BY tot_size DESC 

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You need to replace <ts> with the name of the tablespace.
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