To select multiple tables as the input to a process
You can select more than one table as input to a process.
1.
In the process configuration dialog, select Tables > Multiple Tables from the Input drop-down list.
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You can also click the ellipsis button. The Select Tables to Use window displays all the base tables in the campaign's table catalog.
2.
3.
Click OK to return to the process configuration dialog. The Input field displays "Multiple Tables", which you can view by clicking the ellipsis button.