TP2+

TP2.sql

@@ -0,0 +1,171 @@
+//Exo 1 :
+CREATE OR REPLACE FUNCTION fn_points_fidelite(client_id INT)
+RETURN INT
+IS va_total_point INT;
+BEGIN
+    SELECT (SUM(prix_total)/10) INTO va_total_point
+    FROM ligne_commande lc JOIN commande3 c ON c.id = lc.commande_id
+    WHERE
+        c.client_id = client_id;
+RETURN ROUND(va_total_point);
+EXCEPTION
+    WHEN NO_DATA_FOUND 
+    THEN DBMS_OUTPUT.PUT_LINE('Aucune commande');
+END;
+
+DECLARE CURSOR c_points_fidelite IS
+    SELECT nom, id
+    FROM client
+    WHERE client.client_id = :client_id;
+
+    v_nom client.nom%TYPE;
+    v_id client.id%TYPE;
+BEGIN
+  OPEN c_points_fidelite;
+  LOOP
+    FETCH c_points_fidelite INTO v_nom, v_id;
+    DBMS_OUTPUT.PUTLINE((v_nom||"a"||fn_point_fidelite(v_id)||"points de fidélité"),
+    EXIT WHEN c_points_fidelite % NOT FOUND;
+  END LOOP;
+  CLOSE c_points_fidelite;
+END;
+/
+
+//Exo 2 :
+CREATE OR REPLACE TRIGGER trg_DeleteCommande3
+BEFORE DELETE 
+ON Commande3
+FOR EACH ROW
+BEGIN
+    DELETE FROM ligne_commande
+    WHERE commande_id = :OLD.id;
+END;
+
+//Exo 3 :
+
+CREATE OR REPLACE TRIGGER trg_DeleteClient
+BEFORE DELETE ON client
+FOR EACH ROW
+BEGIN
+    DELETE FROM Commande3
+    WHERE client_id = :OLD.id;
+    
+    DELETE FROM ligne_commande
+    WHERE commande_id IN (SELECT id FROM Commande3 WHERE client_id = :OLD.id);
+END;
+
+//Exo 4 :
+
+CREATE TABLE Client_His (
+    id INT PRIMARY KEY,
+    prenom VARCHAR(50),
+    nom VARCHAR(50),
+    email VARCHAR(100),
+    ville VARCHAR(50),
+    date_suppression DATE DEFAULT SYSDATE
+);
+
+CREATE OR REPLACE TRIGGER trg_DeleteClient
+BEFORE DELETE ON client
+FOR EACH ROW
+BEGIN
+    INSERT INTO Client_His (id, prenom, nom, email, ville, date_suppression)
+    VALUES (:OLD.id, :OLD.prenom, :OLD.nom, :OLD.email, :OLD.ville, SYSDATE);
+    
+    DELETE FROM Commande WHERE client_id = :OLD.id;
+
+    DELETE FROM ligne_commande WHERE commande_id IN (SELECT id FROM Commande WHERE client_id = :OLD.id);
+END;
+
+
+//Exo 6 :
+
+DROP TABLE ligne_commande;
+DROP TABLE Commande3;
+DROP TABLE Client;
+DROP TABLE Client_His;
+
+
+CREATE TABLE Client (
+    id INT PRIMARY KEY,
+    prenom VARCHAR(50),
+    nom VARCHAR(50),
+    email VARCHAR(100),
+    ville VARCHAR(50)
+);
+
+
+CREATE TABLE Client_His (
+    id INT PRIMARY KEY,
+    prenom VARCHAR(50),
+    nom VARCHAR(50),
+    email VARCHAR(100),
+    ville VARCHAR(50),
+    date_suppression DATE DEFAULT SYSDATE
+);
+
+
+CREATE TABLE Commande3 (
+    id INT PRIMARY KEY,
+    client_id INT,
+    date_achat DATE,
+    reference VARCHAR(50),
+    FOREIGN KEY (client_id) REFERENCES Client(id) ON DELETE CASCADE
+);
+
+CREATE TABLE ligne_commande (
+    id INT PRIMARY KEY,
+    commande_id INT,
+    produit_id INT,
+    quantite INT,
+    prix_total DECIMAL(10,2),
+    FOREIGN KEY (commande_id) REFERENCES Commande(id) ON DELETE CASCADE
+);
+
+
+//Exo 7 :
+
+CREATE TABLE CommandeAuditLog (
+    Utilisateur VARCHAR(50),
+    ActionSQL VARCHAR(3),  -- 'INS', 'DEL', ou 'UPD'
+    DateMAJ DATE DEFAULT SYSDATE,
+    ActCol VARCHAR(255)
+);
+
+CREATE TRIGGER trg_AuditInsertCommande
+AFTER INSERT ON Commande
+FOR EACH ROW
+BEGIN
+    INSERT INTO CommandeAuditLog (Utilisateur, ActionSQL, DateMAJ, ActCol)
+    VALUES (USER, 'INS', SYSDATE, 'N/A');
+END;
+
+CREATE TRIGGER trg_AuditDeleteCommande
+AFTER DELETE ON Commande
+FOR EACH ROW
+BEGIN
+    INSERT INTO CommandeAuditLog (Utilisateur, ActionSQL, DateMAJ, ActCol)
+    VALUES (USER, 'DEL', SYSDATE, 'N/A');
+END;
+
+CREATE TRIGGER trg_AuditUpdateCommande
+AFTER UPDATE ON Commande
+FOR EACH ROW
+BEGIN
+    DECLARE modified_columns VARCHAR(255);
+    
+    SET modified_columns = '';
+    
+    IF :OLD.date_achat != :NEW.date_achat THEN
+        SET modified_columns = CONCAT(modified_columns, 'date_achat, ');
+    END IF;
+    
+    IF :OLD.reference != :NEW.reference THEN
+        SET modified_columns = CONCAT(modified_columns, 'reference, ');
+    END IF;
+    
+    SET modified_columns = RTRIM(modified_columns, ', ');
+    
+    INSERT INTO CommandeAuditLog (Utilisateur, ActionSQL, DateMAJ, ActCol)
+    VALUES (USER, 'UPD', SYSDATE, modified_columns);
+END;