I've got a sheet where I'd like to sum each column B-D but filtered/grouped by the value in Column A.
If I use a basic query
like
=QUERY(B1:N100, "select sum(B) where A = 'whatever'")
then I get a single value out- the values in B, summed.
How do I alter this query so that I get a single value out for each column, B-N?