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#1
November 25th, 2009, 02:56 PM
posted to microsoft.public.access.queries
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Rolling Periods
I have a form that a user can enter the number of periods to review up to 24.
Current period (Nov 2009) is 23. How can I calculate the correct periods to sum. My statement would work something like this; (number of periods to review Example 4) - (current period Example 23) then add periods (19+20 +21+22). Easy enough but how do I handle when the period rolls back to 1. I thought about using a table but the number of variables would make this large. Is there a betterway? Thanks 
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#2
November 25th, 2009, 04:34 PM
posted to microsoft.public.access.queries
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Rolling Periods
One thought is to have another field to go along with the period - era.
-- Build a little, test a little. "mccloud" wrote: I have a form that a user can enter the number of periods to review up to 24. Current period (Nov 2009) is 23. How can I calculate the correct periods to sum. My statement would work something like this; (number of periods to review Example 4) - (current period Example 23) then add periods (19+20 +21+22). Easy enough but how do I handle when the period rolls back to 1. I thought about using a table but the number of variables would make this large. Is there a betterway? Thanks
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