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Question 3: Algebre et calcul relationnels [15 points] Considerez l'extension suivante du schema relationnel de la question precedente pour contenir details sur les frais de

Question 3: Algebre et calcul relationnels [15 points] Considerez l'extension suivante du schema relationnel de la question precedente pour contenir details sur les frais de deplacement des employes travaillant pour la societe Dream Videos

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