Generate qvd for previous 3 day data as current day
I have a question. I'd like to generate a qvd for today that consist of the previous 3 day data.
So for my current task, I need to load data for today :-17 Sept 2020. The qvd must contain data from previous 3 day data 14/15/16 Sept 2020. Here I attached my current file that i use to generate manually.