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Bonjour,
J'aimerais recuperer les valeurs nulles, j'ai utilisé le isnull mais ca ne fonctionne pas :
Merci
maybe the value is a blank, not a null, try with (replace value)
if(len(trim(value))=0 OR isnull(value), 'T', 'F')
Yes perfect thanks !!!!
But now, i want to count the number of customer who have no information about their age :
But it doesn't work :