20/20 Requêtes plus compliquées SELECT * FROM Client ORDER BY Ville, Nom SELECT COUNT(*) FROM Clients SELECT COUNT(*) MAX(PrixUnité) MIN(PrixUnité) AVG(PrixUnité) FROM Article SELECT SUM(PrixUnité*QteStock) FROM Article SELECT Client.Num, Nom, Adresse, Commande.Date FROM Client, Commande WHERE Client.Num=Commande.NumCl AND Client.Ville= Paris AND Date BETWEEN #01/01/1993# AND #12/12/2007# SELECT DISTINCT NumCl FROM Commande WHERE NumCl IN (SELECT NumCl FROM Client WHERE ville= Paris ) AND DateComm BETWEEN #01/10/93# AND #12/12/2007#
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