diff --git a/ITPlanning/db.py b/ITPlanning/db.py
index 01a8c82..ca16157 100644
--- a/ITPlanning/db.py
+++ b/ITPlanning/db.py
@@ -5,6 +5,7 @@ from urllib.parse import urlparse, parse_qsl
 from pony.orm import Database, Required, Optional, Set, PrimaryKey, LongStr
 
 db = Database()
+
 class Service(db.Entity):
     id = PrimaryKey(int, auto=True)
     name = Required(str, unique=True)
@@ -22,6 +23,7 @@ class Planning(db.Entity):
     working_plan = Required(LongStr)
     services = Set(Service)
     appointments = Set('Appointment')
+    planners = Set('Planner')
 
 
 class Setting(db.Entity):
@@ -40,11 +42,11 @@ class Appointment(db.Entity):
     service = Required(Service)
     planning = Required(Planning)
     ticket = Optional('Ticket')
-    user = Optional('User')
+    customer = Optional('Customer')
     notes = Optional(LongStr)
 
 
-class User(db.Entity):
+class Customer(db.Entity):
     id = PrimaryKey(int, auto=True)
     first_name = Required(str)
     last_name = Required(str)
@@ -61,7 +63,7 @@ class Ticket(db.Entity):
     id = PrimaryKey(int, auto=True)
     ref = Optional(str, unique=True)
     service_category = Required('Service_category')
-    user = Required(User)
+    customer = Required(Customer)
     appointment = Required(Appointment)
     notes = Optional(str)
 
@@ -76,6 +78,10 @@ class Service_category(db.Entity):
     description = Optional(str)
 
 
+class Planner(Customer):
+    plannings = Set(Planning)
+    password = Required(str)
+    is_admin = Optional(bool)
 
 def parse_uri(database_uri):
     if not isinstance(database_uri, str):
diff --git a/docs/database.png b/docs/database.png
index c0b8c27..80d98b2 100644
Binary files a/docs/database.png and b/docs/database.png differ