"SELECT Facture.IDFAC, Facture.DateFacture, Facture.IDMOD_REG, Facture.ECHEANCE, Li_fac.Q_FAC, Li_fac.PrixTTC FROM Facture, Li_Fac where Facture.IDFAC=Li_fac.IDFAC and '"+d1+"' <=Facture.DateFacture and '"+d2+"' >=Facture.ECHEANCE")