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How to idenity duplicate rows - Mailing list pgsql-general

From David Inglis
Subject How to idenity duplicate rows
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Msg-id NGBBJEEGHJFPKHBHCKBDKECPCDAA.david.inglis@ideloveto.com.au
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Responses Re: How to idenity duplicate rows  (Peter Eisentraut <peter_e@gmx.net>)
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Can anybody assist with this problem I have a table that has some duplicated rows of data,  I want to place a unique constraint on  the columns userid and procno to eliminate this problem in the future but how do I identify and get rid of the existing duplication.
 
Thanks in advance
 
 
Regards
 
 
 
David Inglis
 

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