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Fetch only rows that are duplicate

 
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Shriram Jogdand

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Joined: 14 Oct 2008
Posts: 65
Location: Pune

PostPosted: Thu Mar 25, 2010 11:54 am    Post subject: Fetch only rows that are duplicate
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Hi,

I want to run query which will fetch only rows that are duplicate?
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guptae

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Joined: 14 Oct 2005
Posts: 1187
Location: Bangalore,India

PostPosted: Thu Mar 25, 2010 12:44 pm    Post subject:
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Hello Sriram,

You need to provide the basis for duplicate rows. Is it contain same value for all the column etc. I am afraid without which suggestion would nt be of much help.
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Escapa

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Joined: 16 Feb 2007
Posts: 1399
Location: IL, USA

PostPosted: Thu Mar 25, 2010 12:45 pm    Post subject:
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Is this ok for you?
Code:

SELECT col1,COUNT(*) 
FROM tab1           
GROUP BY col1         
HAVING COUNT(*)  > 1;     
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Shriram Jogdand

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PostPosted: Thu Mar 25, 2010 2:30 pm    Post subject: Reply to: Duplicate rows
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Thanks Sambhaji.
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Escapa

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PostPosted: Thu Mar 25, 2010 2:36 pm    Post subject:
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I am glad, I could GUESS your requirement.
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expat

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Joined: 14 Mar 2007
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Location: Back in jolly old England

PostPosted: Thu Mar 25, 2010 2:38 pm    Post subject:
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Must have been psychic day icon_lol.gif
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Escapa

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Joined: 16 Feb 2007
Posts: 1399
Location: IL, USA

PostPosted: Thu Mar 25, 2010 2:41 pm    Post subject:
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expat wrote:
Must have been psychic day icon_lol.gif

I think getting up late from bed nourishes being telepathic icon_lol.gif
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