如何在谷歌表格中对每一天的值求和

Question

I want to make two columns one that has date and the other that has sum for the number of violations occurred on that day. Have a look at the data below.

Answer 1

use:

=QUERY({B:C}; "select Col1,sum(Col2) where Col1 is not null group by Col1 label sum(Col1)''")