How Do You Delete Duplicate Records In SQL -


एसक्यूएल में डुप्लिकेट रिकॉर्ड्स को कैसे हटाएं?

इसमें SQL Server 2005 और ऊपर: 

  साथ के रूप में (SELECT *, ROW_NUMBER () ओवर (dup_column द्वारा विभाजन) ORDER BY dup_column) आरएन से मेराटेबल) क्यू WHERE rn & gt; 1

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