Comments on: SQL find duplicates SQL Server 2008 http://itknowledgeexchange.techtarget.com/itanswers/sql-find-duplicates/ Wed, 22 May 2013 02:14:48 +0000 hourly 1 By: dugi http://itknowledgeexchange.techtarget.com/itanswers/sql-find-duplicates/#comment-75057 dugi Mon, 22 Mar 2010 12:44:44 +0000 #comment-75057 You can find the duplicates also in this way in SQL Server 2008;

WITH DUPLO
AS
(SELECT ROW_NUMBER() OVER (PARTITION BY YOUR_COLUMN_WITH_DOUBLE_VALUE ORDER BY YOUR_COLUMN_WITH_DOUBLE_VALUE) AS DUPLOID, * FROM YOURTABLE)

SELECT * FROM DUPLO
WHERE DUPLOID <> 1
]]> By: meandyou http://itknowledgeexchange.techtarget.com/itanswers/sql-find-duplicates/#comment-74873 meandyou Mon, 15 Mar 2010 19:09:16 +0000 #comment-74873 Define a unique index (or however your RDBMS supports a unique constraint) on a column or set of columns and avoid “duplicates”

]]> By: carlosdl http://itknowledgeexchange.techtarget.com/itanswers/sql-find-duplicates/#comment-74855 carlosdl Mon, 15 Mar 2010 13:50:36 +0000 #comment-74855 Remember that you can use the ‘search’ feature of the site.

This is another question you might want to take a look at:

Fastest “get duplicates” SQL

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