exo1

EXOS/Partiel2020.tex

@@ -105,10 +105,7 @@
     pr\'ecisant la table utilis\'ee qui n’est pas possible de traiter
     sans un curseur, et expliquer pourquoi.  \cache{SELECT *
 
-      from ETUDIANTS
-
-      WHERE
-
+      from ETUDIANTS      WHERE
       
       Une requete qui
       renvoie plein de donn\'ees.}
@@ -117,29 +114,37 @@
     \newsavebox\dd
     \begin{lrbox}{\dd}
       \begin{minipage}{\textwidth}
+\begin{small}
 \begin{verbatim}
-SET echo off;
-SET verify off;
-SET feedback off;
+DROP TABLE ETUDIANT2020;
+CREATE TABLE ETUDIANT2020(nom varchar2(100), age number);
+INSERT INTO ETUDIANT2020 VALUES('Alice', 12);
+INSERT INTO ETUDIANT2020 VALUES('Bob', 15);
+INSERT INTO ETUDIANT2020 VALUES('Charlie', 18);
+INSERT INTO ETUDIANT2020 VALUES('Dave', 21);
+INSERT INTO ETUDIANT2020 VALUES('Eve', 11);
+DROP TABLE tligne;
+CREATE TABLE tligne(DESCRIPTION VARCHAR2(300));
+SET echo off;SET verify off;SET feedback off;
+
 DECLARE
 dnom VARCHAR2(100);
-CURSOR C SELECT nom from ETUDIANT WHERE age > 18;
+CURSOR C IS SELECT nom from ETUDIANT2020 WHERE (age >= 18);
+
 BEGIN
 OPEN C;
 FETCH C into dnom;
-WHILE
-LOOP
-INSERT INTO tligne VALUES(dnom) ; 
-FETCH C into dnom;
+WHILE C%FOUND LOOP
+ INSERT INTO tligne VALUES(dnom);
+ FETCH C into dnom;
 END LOOP;
 CLOSE C;
 END;
 .
 /
-SET echo on;
-SET verify on;
-SET feedback on;
+SET echo on;SET verify on;SET feedback on; SELECT * FROM TLIGNE;
 \end{verbatim}
+\end{small}
       \end{minipage}
     \end{lrbox}
      \cache{\usebox\dd}