Find Duplicate Items in a Table

Posted by Derek Dieter on SQL Server Planet See other posts from SQL Server Planet or by Derek Dieter
Published on Sun, 06 Jun 2010 17:42:00 +0000 Indexed on 2010/06/06 17:43 UTC
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A very common scenario when querying tables is the need to find duplicate items within the same table. To do this is simple, it requires utilizing the GROUP BY clause and counting the number of recurrences. For example, lets take a customers table. Within the customers table, we want to find all [...]

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