A query with WHERE Phone = NULL returns no rows, although many staff have no phone number recorded. Which condition works?
Une requête avec WHERE Phone = NULL ne renvoie aucune ligne, alors que de nombreux agents n'ont pas de numéro enregistré. Quelle condition fonctionne ?
Answers
AWHERE Phone = ''WHERE Phone = ''
BWHERE Phone IS NULLWHERE Phone IS NULL
CWHERE Phone == NULLWHERE Phone == NULL
DWHERE NULL(Phone)WHERE NULL(Phone)
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