unpivot multiple columns without duplicate other

Hi, Anonymous ;

If unpivot columns will have duplicate values, but if you want to deduplicate, you can also delete and leave only one, but for example, A is on 4-22 and 4-29, sell is 93, if unpivot, how to tell which day 93 is?
So you can give an example and show the results you want to output.

Best Regards,
Community Support Team _ Yalan Wu
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