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Stack the rows from inputs, one on top of the other.
Stacking these two datasets by the ID column in each:
One or more.
•Select Align columns by to Header name if you want line up column values by header name (e.g. the 'id' column in input 1 with the 'id' column in input 2) and Column number to align by the column number (e.g. the first column of input 1 with the first column of input 2). The headers will be matched case insensitive (e.g. 'id' to 'ID'), if no case sensitive match is possible.
•The output depends on the vertical (Y-axis) position of the inputs.
•Stack merges two datasets one on top of the other (vertically). To merge datasets side-by-side (horizontally) use Join.
•If you align by Column number the header of the first input is used.