diff --git a/main.py b/main.py
index 5e82fca..8671baa 100644
--- a/main.py
+++ b/main.py
@@ -13,10 +13,10 @@ requeteDeleteMonetDB = """DELETE FROM flights WHERE "DAY" > 10;"""
 requeteInsertMonetDB = """INSERT INTO flights SELECT * FROM flights10;"""
 
 #Postgre SQL
-requeteSelect1PostgreSQL = """SELECT * FROM public.flights WHERE airline = 'AA'"""
+requeteSelect1PostgreSQL = """SELECT * FROM public.flights WHERE "AIRLINE" = 'AA'"""
 requeteSelect2PostgreSQL = """SELECT * FROM public.flights"""
-requeteSelect3PostgreSQL = """SELECT * FROM public.flight WHERE "DAY" > 10"""
-requeteSelect4PostgreSQL = """SELECT * FROM public.flight WHERE "DAY" > 30"""
+requeteSelect3PostgreSQL = """SELECT * FROM public.flights WHERE "DAY" > 10"""
+requeteSelect4PostgreSQL = """SELECT * FROM public.flights WHERE "DAY" > 30"""
 
 requeteCreateTablePostgreSQL = """CREATE TABLE flights10 AS SELECT * FROM FLIGHTS WHERE "DAY" > 10"""
 requeteDeletePostgreSQL = """DELETE FROM flights WHERE "DAY" > 10"""
@@ -54,14 +54,33 @@ def runMonetDB():
     execMonetDB(requeteSelect3MonetDB)
     execMonetDB(requeteSelect4MonetDB)
 
+def initPostgreSQL():
+    reset_database_postgres()
+    start_time = time.time()
+    create_tables_postgres()
+    end_time = time.time()
+    print("[PostgreSQL] create table: time = ", (end_time - start_time), "s")
+
+    start_time = time.time()
+    create_data_postgres()
+    end_time = time.time()
+    print("[PostgreSQL] load data : time = ", (end_time - start_time), "s")
+
+def execPostgreSQL(str):
+    start_time = time.time()
+    requete_postgres(str)
+    end_time = time.time()
+    print("[PostgreSQL] requete :", str, "\n time = ", (end_time - start_time), "s")
 
 def runPostgreSQL():
-    reset_database_postgres()
-    create_tables_postgres()
-    create_data_postgres()
-    #requete_postgres(str)
+    execPostgreSQL(requeteSelect1PostgreSQL)
+    execPostgreSQL(requeteSelect2PostgreSQL)
+    execPostgreSQL(requeteSelect3PostgreSQL)
+    execPostgreSQL(requeteSelect4PostgreSQL)
 
 if __name__ == '__main__':
-    initMonetDB()
-    runMonetDB()
-    #runPostgreSQL()
+    #initMonetDB()
+    #runMonetDB()
+    #initPostgreSQL()
+    runPostgreSQL()
+