Sunday, June 21, 2009

SQL SERVER – Count Duplicate Records or Count Repeated Values (like a name comes two or more times)

SELECT <Column Name>, NumberOfTimes=COUNT(<Column Name>) FROM TableName
GROUP BY <Column Name>
ORDER BY <Column Name> DESC

we get sample result as

UsrID NumberOfTimes
------ -------------
28472 10
28467 4
27552 1
24426 12

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