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Remove Duplicate Records in SQL by Suresh Mupparaju is a document available to read on EtoBox.

What is Remove Duplicate Records in SQL about?

This document contains two SQL statements to delete duplicate records from a table. The first statement deletes any records from the MyTable table where the ID is not the maximum ID for the combination of the DuplicateColumn1, DuplicateColumn2 and DuplicateColumn3 columns. The second statement uses a common table expression (CTE) to assign a row number to records partitioned by the Col1 and Col2 columns, and then deletes any records where the row number is greater than 1 to keep only the first duplicate rec

Author

Suresh Mupparaju

Language

EN