diff --git a/script.py b/script.py
index 631fdfc..53a1bae 100644
--- a/script.py
+++ b/script.py
@@ -1,6 +1,5 @@
 import pandas as pd
 import psycopg2 as psy
-import getpass
 
 
 data = pd.read_csv(r'911.csv')
@@ -20,13 +19,16 @@ try :
 
     curs.execute('''
         CREATE TABLE 911(
-            latitude numeric,
-            longitude numeric,
-            description varchar(150),
-            zipCode char(6),
-            title varchar(50),
-            DateHeure timestamp,
-            ville varchar(50),
-            adresse varchar(50),
-            indexColone char(1);
-        ))
+            latitude numeric NOT NULL,
+            longitude numeric NOT NULL,
+            description varchar(150) PRIMARY KEY,
+            zipCode char(6) NOT NULL,
+            title varchar(50) NOT NULL,
+            DateHeure timestamp NOT NULL CHECK DateHeure < CURRENT_TIMESTAMP,
+            ville varchar(50) NOT NULL,
+            adresse varchar(50) NOT NULL,
+            indexColone char(1) DEFAULT = 1;
+        );
+    ''')
+
+