9.8 Deduplication of row-based data - by key column

 

There is a data table:

imagepng

Find out the data that are not duplicate and the first duplicate data in the Name column:

=spl("=E(?1).group(Name).(~(1))",A1:D7)

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esProc Desktop and Excel Processing
9.7 Deduplication of simple data
9.9 Deduplication of row-based data - by whole row