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joshua1990's avatar
joshua1990
Icon for Post Prodigy rankPost Prodigy
5 years ago

Count new Customers per Week

I have a table that lists all customer IDs on a daily basis. Every day is a snapshot done of the table.

Customer IDSnapshot DateValueType
AAA101.01.202050A
AAA201.01.202050A
AAA102.01.202050A
AAA302.01.202050A

 

This table is linked to the calendar table and to a country table based on the Customer ID.

 

Now I would like to determine how many new customers we have now compared to the previous week.

Therefore I need somehow the total unique customers for the previous week against the total unique customers this week.

 

How would you do that?