Mise a jour de la fiche SQL Question 1

BusTP2.sql

+DROP TABLE VILLES;
+
+
+CREATE TABLE Villes (
+    NomV VARCHAR(50) PRIMARY KEY NOT NULL
+)
+
+CREATE TABLE Bus (
+    NumB INT PRIMARY KEY NOT NULL,
+    CapacitéB INT Check(CapacitéB > 0) NOT NULL
+)
+
+CREATE TABLE Trajets (
+    NumT INT PRIMARY KEY NOT NULL,
+    NumB INT NOT NULL,
+    FOREIGN KEY (NumB) REFERENCES Bus(NumB)
+)
+
+CREATE TABLE Etapes (
+    NumT INT PRIMARY KEY NOT NULL,
+    FOREIGN KEY (NumT) REFERENCES Trajets(NumT),
+    NomV VARCHAR(50) PRIMARY KEY NOT NULL,
+    FOREIGN KEY (NomV) REFERENCES Villes(NomV),
+    DateA DATE NOT NULL,
+    DateD DATE NOT NULL
+)
+
+CREATE TABLE Tarifs (
+    VilleD VARCHAR(50) PRIMARY KEY NOT NULL,
+    FOREIGN KEY (VilleD) REFERENCES Villes(NomV),
+    VilleA VARCHAR(50) PRIMARY KEY NOT NULL,
+    FOREIGN KEY (VilleA) REFERENCES Villes(NomV),
+    Prix DECIMAL(10,2) Check(Prix > 0) NOT NULL
+)
+
+CREATE TABLE Clients (
+    NumC INT PRIMARY KEY NOT NULL,
+    NomC VARCHAR(50) NOT NULL,
+    AdresseC VARCHAR(50) NOT NULL
+)
+
+CREATE TABLE Réservations (
+    NumR INT PRIMARY KEY NOT NULL,
+    NumC INT NOT NULL,
+    FOREIGN KEY (NumC) REFERENCES Clients(NumC),
+    NumT INT NOT NULL,
+    FOREIGN KEY (NumT) REFERENCES Trajets(NumT),
+    VilleD VARCHAR(50) NOT NULL,
+    FOREIGN KEY (VilleD) REFERENCES Villes(NomV),
+    VilleA VARCHAR(50) NOT NULL,
+    FOREIGN KEY (VilleA) REFERENCES Villes(NomV),
+    Nbplaces INT CHECK(Nbplaces > 0) NOT NULL
+)
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