Champ calculé Séparateur Colonnes
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CASE month([Date de commande])
WHEN 1 THEN 1
WHEN 2 THEN 2
WHEN 3 THEN 3
WHEN 4 THEN 1
WHEN 5 THEN 2
WHEN 6 THEN 3
WHEN 7 THEN 1
WHEN 8 THEN 2
WHEN 9 THEN 3
WHEN 10 THEN 1
WHEN 11 THEN 2
WHEN 12 THEN 3
END

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Champ calculé Index Semaines
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DATEPART('week',[Date de commande]) - {FIXED DATEPART('month',[Date de commande]) :
MIN(DATEPART('week',[Date de commande]))}

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