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Re: Query for sum of a column from this time last year
Posted by: Peter Brawley
Date: July 12, 2017 03:29PM

To retrieve the sum result from last year at this date, you need either (i) to have saved that sum result last year, or (ii) a table that implements point-in-time architecture, ie it guarantees that no stored value is ever edited or deleted without saving the pre-edit or pre-deletion value.

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Re: Query for sum of a column from this time last year
July 12, 2017 03:29PM


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