Parameters | Import | Cast Selected Columns into Roles

Cast Selected Columns into Roles
Choose one or more variables to concatenate to create unique names for the columns in your imported data set.
To Concatenate Multiple Columns into One:
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Left-click a column in the Select Columns field. To select multiple columns, hold down the Ctrl key while left-clicking.
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Click the Add button to add the selected columns to the Cast Selected Columns into Roles field.