diff --git a/backend/application/logs_model.py b/backend/application/logs_model.py
index 78b42a2..1e3e9e3 100644
--- a/backend/application/logs_model.py
+++ b/backend/application/logs_model.py
@@ -5,12 +5,13 @@ class Logs(db.Model):
     __bind_key__ = 'logs'
 
     id = db.Column(db.Integer, primary_key=True)
-    date = db.Column(db.Date())
-    user = db.Column(db.String())
-    ip = db.Column(db.String())
-    table = db.Column(db.String())
-    action = db.Column(db.String())
-    status = db.Column(db.String())
+    date = db.Column(db.Date(), nullable=False)
+    user = db.Column(db.String(), nullable=False)
+    ip = db.Column(db.String(), nullable=False)
+    table = db.Column(db.String(), nullable=False)
+    action = db.Column(db.String(), nullable=False)
+    status = db.Column(db.String(), nullable=False)
+    status_code = db.Column(db.Integer, nullable=False)
 
     def __init__(self, date, user, ip, table, action, status):
         self.date = date
diff --git a/backend/application/users_model.py b/backend/application/users_model.py
index c378181..26281b4 100644
--- a/backend/application/users_model.py
+++ b/backend/application/users_model.py
@@ -5,10 +5,10 @@ class Users(db.Model):
     __bind_key__ = 'users'
 
     id = db.Column(db.Integer, primary_key=True)
-    email = db.Column(db.String())
-    login = db.Column(db.String())
-    hashPass = db.Column(db.String())
-    role = db.Column(db.String())
+    email = db.Column(db.String(), nullable=False)
+    login = db.Column(db.String(), nullable=False)
+    hashPass = db.Column(db.String(), nullable=False)
+    isAdmin = db.Column(db.Boolean, default=False, nullable=False)
 
     def __init__(self, email, login, hash_pass, role):
         self.email = email