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Top 250 database tables [message #276098]

Tue, 23 October 2007 23:42

pooja_g
Messages: 56
Registered: December 2005
Location: India

Member

Hi,
I wanted know if there is way to find list of the top 250 largest tables from a database,with tablename,tablespace name and size .If anyone can help me here,I will be grateful.

Regrads,

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Re: Top 250 database tables [message #276103 is a reply to message #276098]

Wed, 24 October 2007 00:08

Frank Naude
Messages: 4596
Registered: April 1998

Senior Member

Try something like this:

SELECT * FROM (
  SELECT segment_name, tableSpace_name, bytes / 1024 / 1024 "Meg"
    FROM dba_Segments
   WHERE segment_type = 'TABLE'
   ORDER BY 3 DESC)
WHERE rownum <= 250
/

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Re: Top 250 database tables [message #276108 is a reply to message #276098]

Wed, 24 October 2007 00:34

pooja_g
Messages: 56
Registered: December 2005
Location: India

Member

Thanks a lot frank!

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