From 82ff2db44ca7fe8e09d35615d3200c470e091429 Mon Sep 17 00:00:00 2001
From: Arthur DANJOU <arthurdanjou@outlook.fr>
Date: Wed, 8 Oct 2025 16:22:10 +0200
Subject: [PATCH] Refactor Q2.15 query to use JOIN syntax for improved clarity
 and performance

---
 M2/SQL/scripts/TP2.sql | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/M2/SQL/scripts/TP2.sql b/M2/SQL/scripts/TP2.sql
index b0f78d0..b3be33c 100644
--- a/M2/SQL/scripts/TP2.sql
+++ b/M2/SQL/scripts/TP2.sql
@@ -120,8 +120,9 @@ WHERE Dno NOT IN (SELECT DISTINCT Dep FROM Employe);
 -- Q2.15
 SELECT 'Q2.15';
 
-SELECT dir.Enom, d.Dnom, d.Ville FROM Employe dir, Departement d
-WHERE dir.Eno = d.Directeur and (d.Dno = 1 OR d.Dno = 3);
+SELECT dir.Enom, d.Dnom, d.Ville FROM Employe dir
+JOIN Departement d on dir.Eno = d.Directeur
+WHERE d.Dno IN (1, 3);
 
 -- Q2.16
 SELECT 'Q2.16';