Search results

I did that and found it of course, but this specifically asks for a formula

Here is a sample of my data: date_sign_up customer_id product_name marketing_channel City 4/17/15 13:11 71041 Classic - 3 meals per week for 2 people Search Engine Marketing San Diego 4/14/15 11:32 103289 Classic - 3 meals per week for 2 people Newsletters (internal) Los Angeles 4/14/15...