From fa693a7dc5508a4fc6f540a8674f1f329f4a4789 Mon Sep 17 00:00:00 2001
From: pascal <pascal.lafourcade@uca.fr>
Date: Mon, 1 Feb 2021 14:28:47 +0100
Subject: [PATCH] ok

---
 COURS/C-exo7.sql | 35 +++++++++++++++++++++++++++++++++++
 1 file changed, 35 insertions(+)
 create mode 100644 COURS/C-exo7.sql

diff --git a/COURS/C-exo7.sql b/COURS/C-exo7.sql
new file mode 100644
index 0000000..5369bfb
--- /dev/null
+++ b/COURS/C-exo7.sql
@@ -0,0 +1,35 @@
+
+set echo off
+set verify off
+set feed off
+
+CREATE TABLE tLigne(
+	designation VARCHAR2(200)
+);
+
+variable vNumProduit CHAR(5);
+prompt Choisissez un numero de produit
+accept vNumProduit
+
+DECLARE
+NO_PRODUCTS_SELECTED EXCEPTION;
+
+dCountProduit NUMBER;
+
+BEGIN
+SELECT COUNT(*) INTO dCountProduit FROM tProduit WHERE noProduit = '&vNumProduit';
+IF dCountProduit = 0 THEN
+  RAISE NO_PRODUCTS_SELECTED;
+
+EXCEPTION
+when NO_PRODUCTS_SELECTED then
+  INSERT INTO tLigne VALUES('Le produit n existe pas');
+END;
+.
+/
+
+SELECT * FROM tLigne;
+
+set echo on
+set verify on
+set feed on