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Keep only rows from the top dataset with key values that are present in the lower dataset.
•The output depends on the vertical (Y-axis) position of the inputs.
•Select Top key column for the column you want to match in the top input dataset.
•Select Bottom key column for the column you want to match in the bottom input dataset.
•If the first input has a header, this will be used for the output.
•Does not remove duplicates. You can use Dedupe to do this.
•You can use Concat Cols to join several columns together (e.g. 'first name' and 'last name' columns) to form a key column.
•You can use Row Num to create a unique key column.