pourquoi

sql/script_requete.sql

@@ -51,13 +51,13 @@ SELECT COUNT(*) AS nb_equipes FROM equipes_top_1 ET1 WHERE NOT EXISTS (SELECT *
 
 
 -- "Pour les 3 dernières années, donner le nombre moyen de participants aux tournois".
-WITH participants_tournois AS
-	(SELECT idtournoi, COUNT(idtournoi) AS nb 
-	FROM participe 
-	JOIN tournoi (idtournoi) 
-		AND YEAR(T.date_deb) >= (YEAR(NOW()) - 3) 
-	GROUP BY idtournoi)
-SELECT AVG(nb) AS average FROM participants_tournois;
+WITH participants_tournois AS 
+(SELECT idtournoi, COUNT(idtournoi) AS nb 
+		FROM participe 
+		JOIN tournoi USING(idtournoi) 
+			WHERE YEAR(date_deb) >= (YEAR(NOW()) - 3) 
+		GROUP BY idtournoi)
+	SELECT AVG(nb) AS average FROM participants_tournois