INSERT INTO Clients_EuropeSud VALUES (NULL,'societe','adresse','Paris','67000','France','03.06.05.16.46','05.46.79.65.37');
An attempt was made TO INSERT NULL INTO previously listed objects.

INSERT INTO Commandes_EuropeSud VALUES (NULL,'MAGAA',4,'18/12/97','22/12/97',350.45);
An attempt was made TO INSERT NULL INTO previously listed objects.

DELETE FROM Clients_EuropeSud WHERE CODE_CLIENT='LACOR';
attempted TO DELETE a parent key VALUE that had a foreign dependency

INSERT INTO Stock_EuropeSud VALUES (360,'France',39,10,0);
A foreign key VALUE has no matching primary key VALUE.

INSERT INTO Clients_EuropeSud VALUES ('REGGC','Reggiani Caseifici','Strada Provinciale 124','Reggio Emilia','42100','Italie','0522-556721','0522-556722');
An UPDATE OR INSERT statement attempted TO INSERT a duplicate key.

INSERT INTO Stock_EuropeSud VALUES (1,'France',39,10,0);
An UPDATE OR INSERT statement attempted TO INSERT a duplicate key.