What is the difference between merge and merge join in ssis?
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Answer / Ravi Tewari
In SSIS (SQL Server Integration Services), Merge is an operator used for data integration that performs a join operation based on a user-defined comparison of row sets. It allows for high performance and flexible matching, non-matching, and updating capabilities. On the other hand, Merge Join is not a built-in component in SSIS but is a type of SQL join strategy used by the SQL Server Query Optimizer to perform more efficient joins, especially when dealing with large data sets. The main difference lies in their usage: Merge is an ETL operator while Merge Join is a SQL join strategy.
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