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+--- EXERCICE 1 ---
+
+-- Question 1.1
+SELECT Titre, MIN(Prix) AS 'Prix Minimum' FROM Conference;
+
+-- Question 1.2
+SELECT c.Titre FROM Conference c
+WHERE EXISTS (SELECT * FROM Inscription i WHERE i.IDConf = c.IDConf) AND c.Titre LIKE '%Data%';
+
+-- Question 1.4
+SELECT o.NomOrateur FROM Orateur o
+JOIN Inscription i ON o.IDOr = i.IDOr
+WHERE i.DateIns < '2025-01-20'
+GROUP BY o.NomOrateur
+HAVING COUNT(i.IDConf) >= 3;
+
+-- Question 1.4
+SELECT c.Titre, c.DateConf, COUNT(i.IDOr) AS 'Nombre d''Orateurs inscrits' FROM Conference c
+JOIN Inscription i ON i.IDConf = c.IdConf
+GROUP BY c.Titre, c.DateConf
+ORDER BY c.DateConf ASC;
+
+-- Question 1.5
+SELECT o.NomOrateur, SUM(c.Prix) AS 'Prix Total payé' FROM Orateur o
+JOIN Inscription i ON o.IDOr = i.IDOr
+JOIN Conference c ON c.IDConf = i.IDConf
+GROUP BY o.NomOrateur
+ORDER BY SUM(c.Prix) DESC;
+
+-- Question 1.6
+SELECT o.NomOrateur, MIN(c.Prix) AS 'Prix minimal payé' , MAX(c.Prix) AS 'Prix maximal payé' FROM Orateur o
+JOIN Inscription i ON o.IDOr = i.IDOr
+JOIN Conference c ON c.IDConf = i.IDConf
+GROUP BY o.NomOrateur;
+
+-- Question 1.7
+SELECT c.Titre FROM Conference c
+JOIN Inscription i ON i.IDConf = c.IDConf
+JOIN Orateur o ON o.IDOr = i.IDOr
+WHERE o.NomOrateur = 'Jean Dupont'
+ORDER BY c.Titre ASC;
+
+-- Question 1.8
+SELECT o.NomOrateur FROM Orateur o
+WHERE NOT EXISTS (
+    SELECT * FROM Conference c WHERE NOT EXISTS (
+        SELECT * FROM Inscription i WHERE i.IDConf = c.IDConf AND o.IDOr = i.IDOr
+    ) AND C.DateConf = '2025-03-15'
+);
+
+--- EXERCICE 2 ---
+
+-- Question 2.1
+SELECT COUNT(*) AS 'NombreMusees' FROM Musee;
+
+-- Question 2.2
+SELECT m.nom, m.ville, COUNT(o.ido) AS 'NombreOeuvres' FROM Musee m
+JOIN Collection c ON m.idm = c.idm
+JOIN Oeuvre o ON o.idc = c.idc
+GROUP BY m.nom, m.ville
+HAVING COUNT(o.ido) >= 4;
+
+-- Question 2.3
+SELECT o.titre, o.artiste, o.annee FROM Oeuvre o
+JOIN Collection c ON o.idc = c.idc
+JOIN Musee m ON c.idm = m.idm
+WHERE m.ville = 'Paris'
+ORDER BY o.annee ASC;
+
+-- Question 2.4
+SELECT AVG(o.prix_estime) AS 'Prix moyen des oeuvres de Pablo Picasso' FROM Oeuvre o
+WHERE o.artiste = 'Pablo Picasso';
+
+-- Question 2.5
+SELECT m.nom, COUNT(o.ido) AS 'Nombre d''oeuvres dont le prix est estimé à plus d''1 million d''euros' FROM Musee m
+JOIN Collection c ON m.idm = c.idm
+JOIN Oeuvre o ON c.idc = o.idc
+WHERE o.prix_estime > 1000000
+GROUP BY m.nom;
+
+-- Question 2.6
+SELECT m.nom, MIN(o.prix_estime) AS 'Prix estimé minimal', MAX(o.prix_estime) AS 'Prix estimé maximal' FROM Musee m
+JOIN Collection c ON m.idm = c.idm
+JOIN Oeuvre o ON c.idc = o.idc
+GROUP BY m.nom;
+
+-- Question 2.7
+-- SELECT AVG(prix_estime) AS 'Moyenne des prix estimés de toutes les oeuvres' FROM Oeuvre;
+
+SELECT o.titre, o.prix_estime FROM Oeuvre o
+WHERE o.prix_estime >= (SELECT AVG(prix_estime) FROM Oeuvre)
+ORDER BY o.titre ASC;
+
+-- Question 2.8
+SELECT m.nom FROM Musee m
+WHERE NOT EXISTS (
+    SELECT * FROM Oeuvre o WHERE NOT EXISTS (
+        SELECT * FROM Collection c
+        WHERE c.idc = o.idc AND c.idm = m.idm
+    ) AND o.annee > 1950
+)
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