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Return First Order for Customer after Membership Date

I'd like to return the first order date for a customer after the date they became a member of our program. I need to compare the membership date in our CUSTOMER table to the orders in our SALES table and return the date for the first order they placed. Each customer has a unique id that exists in both tables. How would I accomplish this?

Super User
Super User


Share some data and show the expected result.

Ashish Mathur
Super User
Super User


Add the following column to your customer table:


First Order Data = FIRSTNONBLANK(Orders[Order Date],SUM(Orders[Order Amount]))


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