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I think you need to add row_number() to peters suggestion..

---------- Videresendt mail ---------
Fra: eye series <iseriesstuff@xxxxxxxxx>
Dato: fre. 8. apr. 2022 kl. 16.09
Emne: sql question
Til: RPG programming on the IBM i (AS/400 and iSeries) <
rpg400-l@xxxxxxxxxxxxxxxxxx>


i have the following data
123 01/01/2021
123 01/01/2021
123 01/01/2021
123 02/01/2021
123 02/01/2021
123 03/01/2021
123 03/01/2021
123 04/01/2021

i would like following result
123 4
where 4 is the number of days count regardless of how many per day.

Suggestions?

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