this post was submitted on 27 Oct 2023
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Finding duplicate entries by several criteria (szmer.info)
submitted 2 years ago by [email protected] to c/[email protected]
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I have a csv file of orders from a business I run the web shop for, around 30 thousand entries total. I would like to FIND all entries which have a duplicate in the base: same customer, same total due amount and placed on the same day (some customers make repeating orders but over longer timeframe).

I found a help article regarding removing duplicate values, but it doesn't really apply to my situation, because I want to remove UNIQUE values.

How would I go about that?

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[โ€“] [email protected] 1 points 2 years ago (1 children)

That would work for a 1 dimensional table. If you have many columns, you either mess up the following columns or you get back to the beginning. With lists that works wonderfully

[โ€“] [email protected] 2 points 2 years ago

It seems to have worked