- Consulter la page de l'exercice.
- Solution des exercices
- Solution des exercices
Correction Exercice 1
1) SELECT Desi, PrixUni
FROM Client ;
2) SELECT Desi
FROM Client
WHERE PrixUni < 100 ;
3) SELECT DISTINCT Nom
FROM Client C1, Commande C2
WHERE C1.NumCli = C2.NumCli
AND NumProd = 1 ;
4) SELECT DISTINCT Nom
FROM Client C1, Commande C2, Produit P
WHERE C1.NumCli = C2.NumCli
AND C2.NumProd = P.NumProd
AND PrixUni > 500 ;
5) SELECT NumCli
FROM Client C1
WHERE NOT EXISTS (
SELECT *
FROM Commande C2
WHERE C2.NumCLi = C1.NumCli
AND NumProd = 1) ;
6) SELECT NumCLi
FROM Client C1
WHERE NOT EXISTS ( SELECT *
FROM Produit P WHERE NOT EXISTS (
SELECT *
FROM Commande C2
WHERE C2.NumCli = C1.NumCli
AND C2.NumProd = P.NumProd)) ;
7) SELECT Nom
FROM Client C0
WHERE NOT EXISTS (
SELECT *
FROM Commande C1
WHERE NumCli = 2
AND NOT EXISTS (
SELECT *
FROM Commande C2
WHERE C2.NumCli = C0.NumCli
AND C2.NumProd = C1.NumProd)) ;
Correction Exercice 2
CREATE TABLE CLIENT (NOC NUMBER(3),
NOM VARCHAR(40),
ADRESSE VARCHAR(100),
CONSTRAINT PRICLI PRIMARY KEY (NOC));
CREATE TABLE SERVICE (NOS NUMBER(3),
INTITULE VARCHAR(30),
LOCALISATION VARCHAR(100),
CONSTRAINT PRISER PRIMARY KEY (NOS));
CREATE TABLE PIECE (NOP NUMBER(3),
DESIGNATION VARCHAR(30),
COULEUR VARCHAR(20),
POIDS NUMBER(5,2),
CONSTRAINT PRIPIE PRIMARY KEY (NOP));
CREATE TABLE COMMANDE (NOP NUMBER(3),
NOS NUMBER(3), NOC NUMBER(3),
QUANTITE NUMBER(3),
CONSTRAINT PRICOM PRIMARY KEY (NOP, NOS, NOC),
CONSTRAINT ETRPIE FOREIGN KEY (NOP)
REFERENCES PIECE(NOP),
CONSTRAINT ETRSER FOREIGN KEY (NOS)
REFERENCES SERVICE(NOS)
CONSTRAINT ETRCLI FOREIGN KEY (NOC)
REFERENCES CLIENT(NOC));
1) SELECT INTITULE, MAX(POIDS)
FROM SERVICE S, COMMANDE C, PRODUIT P
WHERE S.NOS=C.NOS
AND C.NOP=P.NOP
AND COULEUR=’bleu’ GROUP BY INTITULE ;
2) SELECT AVG(POIDS)
FROM SERVICE S, COMMANDE C, PRODUIT P
WHERE S.NOS=C.NOS
AND C.NOP=P.NOP
AND INTITULE=’Promotion’
GROUP BY S.NOS ;
3) SELECT P.NOP
FROM PRODUIT P
WHERE COULEUR=’bleu’
AND 3 <
(SELECT COUNT(DISTINCT NOS)
FROM COMMANDE C
WHERE C.NOP=P.NOP) ;
4) SELECT MAX(SUM(QUANTITE))
FROM COMMANDE
GROUP BY NOS ;
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