Commit 67a677eb authored by Nu Huyen Trang Pham's avatar Nu Huyen Trang Pham
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Update MLD.md

parent 7073637b
......@@ -34,9 +34,17 @@ Espece_Medicament(#nomEspece=>Espece, #nomMolec=>Medicament)
Traitement_Medicament(#traitement=>Traitement(nom), #medicament=>Medicament(nom),nbjournalier: int)
#### Contraintes
Classe - Espece: Projection(Classe, nomClasse) = Projection(Espece, nomClasse)
Classe - Espece: <nomClasse NOT NULL> AND Projection(Classe, nomClasse) = Projection(Espece, nomClasse)
Dans la classe Client: Projection(Client, nom,prenom)=Projection(Animal,nom_client,prenom_client)
Veterinaire - Traitement: Projection(Veterinaire, nom,prenom) = Projection(Traitement, nom_veterinaire, prenom_veterinaire)
Dans la classe Client: <(nom,prenom) NOT NULL> AND Projection(Client, nom,prenom)=Projection(Animal,nom_client,prenom_client)
Animal: <nomEspece NOT NULL> AND Projection(Espece,nomEspece)=Projection(Animal,nomEspece)
Projection(Medicament, nom)=Projection(Espece_Medicament,nomMolec) AND Projection(Espece,nomEspece)=Projection(Espece_Medicament,nomEspece)
Projection(Medicament, nom)=Projection(Traitement_Medicament,medicament) AND Projection(Traitement,nom)=Projection(Traitement_Medicament,traitement)
Jointure(Projection(Assistant, nom, prenom), Projection(Veterinaire, nom, prenom), Assistant.nom=Veterinaire.nom and Assistant.prenom=Veterinaire.prenom) doit être vide
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