Hi,

I managed to update specific tables with only one constraint on Primary Key. The problem is that the table that I need to update now has 3 Primary Keys.

Here is the code I am running for 1 Primary Key (Item Key in column a)

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Now that works quite well but I cannot for the life of me figure out how to work "Union", nor can I find an appropriate help section.

The closest I think I got was adding this:

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Can someone here with more experience point me in the right direction?