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Merge Join Transformation Editor


Applies To: SQL Server 2016

Use the Merge Join Transformation Editor dialog box to specify the join type, the join columns, and the output columns for merging two inputs combined by a join.

System_CAPS_ICON_important.jpg Important

The Merge Join Transformation requires sorted data for its inputs. For more information about this important requirement, see Sort Data for the Merge and Merge Join Transformations.

To learn more about the Merge Join transformation, see Merge Join Transformation.

Join type
Specify whether you want to use an inner join, left outer join, or full join.

Swap Inputs
Switch the order between inputs by using the Swap Inputs button. This selection may be useful with the Left outer join option.

For each column that you want in the merged output, first select from the list of available inputs.

Inputs are displayed in two separate tables. Select columns to include in the output. Drag columns to create a join between the tables. To delete a join, select it and then press the DELETE key.

Input Column
Select a column to include in the merged output from the list of available columns on the selected input.

Output Alias
Type an alias for each output column. The default is the name of the input column; however, you can choose any unique, descriptive name.

Integration Services Error and Message Reference
Sort Data for the Merge and Merge Join Transformations
Extend a Dataset by Using the Merge Join Transformation
Merge Transformation
Union All Transformation

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