DECLARE CURSOR C_Contraintes IS SELECT Owner , Constraint_Name , Table_Name FROM All_Constraints WHERE Constraint_Type = ‘R’ AND    R_Constraint_Name = ‘PK_CATALOG’; BEGIN DBMS_OUTPUT.PUT_LINE(‘————————————-’); DBMS_OUTPUT.PUT_LINE(‘— Desactivation des contraintes —’); DBMS_OUTPUT.PUT_LINE(‘————————————-’); FOR Contrainte IN C_Contraintes LOOP DBMS_OUTPUT.PUT_LINE(‘ALTER TABLE ‘||Contrainte.Owner||’.'||Contrainte.Table_Name||’ DISABLE CONSTRAINT « ‘||Contrainte.Constraint_Name||’ »;’); END LOOP; DBMS_OUTPUT.PUT_LINE(‘————————————-’); DBMS_OUTPUT.PUT_LINE(‘—   Activation des contraintes  —’); DBMS_OUTPUT.PUT_LINE(‘————————————-’); FOR Contrainte IN C_Contraintes LOOP DBMS_OUTPUT.PUT_LINE(‘ALTER TABLE [...]