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SSIS Basics: Using the Merge Join Transformation

SSIS is able to take sorted data from more than one OLE DB data source and merge them into one table which can then be sent to an OLE DB destination. This 'Merge Join' transformation works in a similar way to a SQL join by specifying a 'join key' relationship. this transformation can save a great deal of processing on the destination. Annette Allen, as usual, gives clear guidance on how to do it.

2013-10-28

4,491 reads

Technical Article

SQL Saturday #255 Dallas

SQL Saturday is coming to Dallas on November 2. This is a free, one day conference for SQL Server training and networking.

On November 1, there will be a pre-conference event featuring Andy Leonard, Grant Fritchey, and Drew Minkin.

2013-10-24

3,031 reads

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Question of the Day

The String Distance I

In SQL Server 2025, what is returned by this code:

SELECT EDIT_DISTANCE('Steve', 'Stan')
Assume preview features are enabled.

See possible answers