Thursday, March 4, 2010

Different strategies for removing duplicate records in SQL Server

Different strategies for removing duplicate records in SQL Server
In data warehousing applications during ETL (Extraction, Transformation and Loading) or even in OLTP (On Line Transaction Processing) applications we are often encountered with duplicate records in our table. To make the table data consistent and accurate we need to get rid of these duplicate records keeping only one of them in the table. In this article I am going to discuss different strategies which you can take for this, along with its pros and cons. Click here for more details.

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