Find duplicate records by using Group by and Having clause in SQL Server - TSQL Tutorial Part 132

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How to find duplicate records by using Group by and Having clause in SQL Server

Scenario:
You are working as SQL Server developer. You need to write the query for dbo.Customer table that should return the duplicate records and count of duplicate record.

Solution:
You can use Group by and Count aggregate function to find all the duplicate records in table and count.

Let's say that we have dbo.Customer table with below definition and data. We would like to find the record if it is duplicate by columns FName,LName and CountryShortName.

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Could you please provide me a link for deleting duplicate rows ...

NelsonZavala
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can you please add how to display no duplicate records?

armanazote
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can you please provide me a link for deleting duplicate rows ...

kirandhedhi