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Posts Tagged [ Duplicates ]

Removing duplicates from a table

On 12 May, 2015
T-SQL
By : Dave Jenkins
No Comments

So in my day job I was asked to investigate why some data was not matching up. After a bit of investigation I found a table that had 90-95% of it's records duplicated, so I needed a way of removing...

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Detecting Duplicates

On 30 Apr, 2015
T-SQL
By : Dave Jenkins
No Comments

There are many ways of detecting duplicate data in your tables. One of the quick and easiest methods I have found is to use the below syntax.

It will return a list of duplicate entries by the...

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