Find Duplicate Rows in SQL - Select Statement Tutorial

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Find duplicate row values in a field or multiple fields in SQL Server table with this tutorial. Do this for one column, or multiple columns. Uses SQL Server Management Studio for the demonstration.
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Hi Edward!

This is great! Since we found the duplicate rows, how do we limit these row in the original data?

alicevarughese
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Can you please tell me that what to do to delete all the duplicates from a table in SQL ?

asutoshnayak
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Nice tutorial. But after finding the duplicate rows, how do you delete them?

GatusVadios
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how can i update one of the duplicates without deleting it

zakiahassan
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Can anyone help how this can be used in Gsheet query function?

usmanjhangiri
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suppose we have duplicates in all columns ..how to display it?

venkatasubbareddyonteru
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and what if i want to know the id of the duplicates?

marcosdipaolo
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