Hi Ridders.
I did not know about cross-posting, and tried to add the links, but was not able to
I got a message stating that I needed a post count > 10 to be able to post links...
Hi
I have got 2 tables: "Orderlines" and "Pricedates"
Orderlines
Date of purchase Itemnr Price
2018-01-01 A 0
2018-01-02 A 0
2018-01-03 A 0
2018-01-04 A 0
2018-01-05 A 0
2018-01-06 A 0
2018-01-07 A 0
2018-01-08 A 0
2018-01-09 A 0
2018-01-10 A 0
2018-01-11 A 0
2018-01-12 A 0
2018-01-13 A 0...