diff --git a/assets/Gener_Z.sql b/assets/Gener_Z.sql
index 2ec6409..a4804e4 100644
--- a/assets/Gener_Z.sql
+++ b/assets/Gener_Z.sql
@@ -35,8 +35,8 @@ CREATE TABLE Utenti(
     id_utente INT PRIMARY KEY AUTO_INCREMENT,
     nome VARCHAR(30),
     cognome VARCHAR(18),
-    email VARCHAR(255),
-    password VARCHAR(255)
+    email VARCHAR(255) UNIQUE NOT NULL,
+    password VARCHAR(255) NOT NULL
 );
 
 -- 3. INSERIMENTO DATI (INSERT INTO)