In the Join window of
For example, you could join together two sets of regional sales data based upon the product identifiers that they both use to track sales. In the Search panel, enter
join datasets or select the Join icon from the toolbar.
Specify join type and join keys
Mouse over the Dataset samples indicator to see the current samples from the datasets that are part of the join. For more information, see Samples Panel.
From the drop-down, select the type of join to apply. For more information, see Join Types.